A multi-purpose construction tool with adjustable arc

Abstract

The application discloses a multipurpose construction tool capable of accurately adjusting an arc, relates to the technical field of inside and outside corner construction tools, and comprises a handheld operation part, an arc adjusting and positioning part and a locking part. The arc adjusting and positioning part comprises a main adjusting rod and a C-shaped hollow arc positioning piece. The main adjusting rod provides guidance and support for arc adjusting. The C-shaped hollow arc positioning piece is used for accurately marking and guiding the arc forming track of a flexible forming part, and realizes stepless adjustment of the arc of a circle. Through the sliding and nesting structure of the C-shaped hollow arc positioning piece and the main adjusting rod and the arc locking piece, the application realizes stepless and accurate adjustment and stable fixation of the arc of a circle, and can meet the construction requirements of different inside corners, outside corners and planes. In addition, the self-adaptive angle connecting piece ensures smooth change of the connecting end angle of the bendable plate-shaped assembly during arc deformation, avoids plate jamming or deformation failure, and thus improves construction precision and forming quality.

Description

Technical Field

[0001] This invention relates to the field of corner construction tools, specifically a multi-purpose construction tool with precisely adjustable curvature. Background Technology

[0002] The construction of rounded corners is widely used in building decoration, waterproofing projects and other fields, and needs to be compatible with various processes such as plastering, puttying and PVC flooring.

[0003] Currently, tools on the market are mainly divided into four categories: fixed-radius tools, angle-adjustable tools, combination multi-functional tools, and CNC intelligent tools. Fixed-radius tools (such as PVC rounding bevelers and rubber scrapers) have simple structures but require multiple specifications and have poor versatility. Angle-adjustable tools can adapt to different inside and outside corner angles, but most cannot adjust the radius of the rounding or have low adjustment accuracy. Combination tools can switch between multiple radii, but have problems such as splicing marks and cumbersome operation. CNC intelligent tools have high precision but are large in size and expensive, and are not suitable for on-site construction.

[0004] Overall, existing tools generally suffer from core defects: insufficient curvature adjustment precision (large errors and lack of locking mechanisms), poor versatility (difficult to accommodate inside corners, outside corners, flat surfaces, and various processes), and limited operational efficiency and construction quality. In particular, there is a lack of integrated solutions that can precisely adjust curvature and adapt to multiple scenarios and processes. This provides a clear space for innovation in the development of new multi-purpose, precise curvature adjustment construction tools. Summary of the Invention

[0005] Therefore, the purpose of this invention is to provide a multi-purpose construction tool with precisely adjustable curvature to solve the technical problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a multi-purpose construction tool with precisely adjustable curvature, comprising a handheld operating component, a curvature adjustment and positioning component, a locking component, a flexible forming component, and an angle-adaptive connecting component;

[0007] The handheld operating component is a handle, which is used to provide force and operation grip. The handle and the main adjustment rod are detachably fixedly connected. The outer wall of the handle is provided with anti-slip texture to increase the friction when gripping.

[0008] The arc adjustment and positioning component includes a main adjustment rod and a C-shaped hollow arc positioning component, which are slidably nested together. The main adjustment rod provides guidance and support for arc adjustment, and the C-shaped hollow arc positioning component is used to accurately calibrate and guide the arc forming trajectory of the flexible molding component, so as to realize stepless adjustment of the arc.

[0009] The main adjusting rod has a sliding groove, and the C-shaped hollow arc positioning component is embedded in the sliding groove. The C-shaped hollow arc positioning component can slide in a straight line along the sliding groove. The sliding groove is marked with a scale to achieve precise setting of the arc.

[0010] The inner wall of the slide groove of the main adjusting rod is provided with a wear-resistant coating. The end side of the C-shaped hollow arc positioning part that contacts the slide groove is provided with a wear-resistant slider. The wear-resistant coating and the wear-resistant slider cooperate to reduce the wear when the two slide together and extend the service life of the component.

[0011] When the C-shaped hollow arc positioning component slides inward along the main adjusting rod, it drives the flexible plate-shaped component to form an outward convex arc shape, which is suitable for the arc construction of the building's internal corner; when the C-shaped hollow arc positioning component slides outward along the main adjusting rod, it drives the flexible plate-shaped component to form an inward concave arc shape, which is suitable for the arc construction of the building's external corner.

[0012] When the C-shaped hollow arc positioning component is located at the symmetrical reference position of the main adjusting rod, the flexible plate-shaped component maintains a horizontal plane state, adapting to the construction operation of the building plane;

[0013] The locking component is an arc-shaped locking component, which is connected in conjunction with the main adjusting rod and the C-shaped hollow arc-shaped positioning component. It is used to fix the C-shaped hollow arc-shaped positioning component in place relative to the main adjusting rod, so as to achieve a stable arc shape.

[0014] The arc locking component is a threaded locking structure. When loosened, it releases the locking constraint on the C-shaped hollow arc positioning component. When tightened, it presses and fixes the C-shaped hollow arc positioning component to the preset position of the main adjusting rod.

[0015] The flexible forming component is a bendable plate-shaped assembly connected to two sets of C-shaped hollow arc positioning parts. It can flexibly bend according to the position adjustment of the C-shaped hollow arc positioning parts to adapt to the forming requirements of construction surfaces with different arcs.

[0016] The angle-adaptive connector is an adaptive angle connector that connects the C-shaped hollow arc positioning component and the flexible plate-shaped component. It is used to automatically compensate for the angle difference between the two connection ends, ensure the smoothness of the arc deformation process of the flexible plate-shaped component, and avoid component jamming or deformation failure.

[0017] The adaptive angle connector adopts a double pin hinge structure, which can rotate adaptively at multiple angles as the C-shaped hollow arc positioning part slides, realizing real-time compensation of angle difference. The double pin hinge of the adaptive angle connector is equipped with a damping pad, which provides a preset damping force so that the connector can maintain temporary positioning after adaptive rotation, making it easy for operators to accurately adjust the arc and lock it.

[0018] Furthermore, the flexible plate-shaped components are made of plates with flexible deformation capabilities that can maintain their shape. Under pressure, they can stably fit the construction surface, meeting the force requirements for plastering and puttying.

[0019] In summary, the present invention has the following main beneficial effects:

[0020] 1. This invention achieves stepless precise adjustment and stable shaping of the arc by using a C-shaped hollow arc positioning component and a sliding nested structure of the main adjusting rod and an arc locking component, which can meet the construction needs of different internal corners, external corners and planes; secondly, the adaptive angle connector ensures that the angle change of the connecting end of the flexible plate component is smooth during the arc deformation process, avoiding plate jamming or deformation failure, thereby improving construction accuracy and forming quality;

[0021] 2. This invention integrates and adapts to various construction processes, such as plastering, putty application, and PVC flooring installation, eliminating the need for frequent tool replacements, simplifying the operation process, and improving construction efficiency. Furthermore, a single tool set can cover multiple specifications and processes, reducing tool procurement costs and storage space requirements, and minimizing tool waste for construction units. From a social and economic perspective, this invention helps promote construction standardization, improve construction quality and efficiency, while reducing labor costs and resource consumption, demonstrating significant technical and economic benefits. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure in the planar construction state of the present invention;

[0023] Figure 2 This is a side view of the planar construction state of the present invention;

[0024] Figure 3 This is a top view of the planar construction state of the present invention;

[0025] Figure 4 This is a structural schematic diagram of the internal corner construction state of the present invention;

[0026] Figure 5 This is a structural schematic diagram of the external corner construction state of the present invention.

[0027] In the diagram: 1. Handle; 2. Main adjusting rod; 3. C-shaped hollow arc positioning component; 4. Arc locking component; 5. Flexible plate-shaped assembly; 6. Adaptive angle connector. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0029] The embodiments of the present invention will now be described.

[0030] Example 1

[0031] like Figure 1-5 As shown, the multi-purpose construction tool with precisely adjustable curvature in this embodiment includes a handle 1, a main adjustment rod 2, a C-shaped hollow curvature positioning component 3, a curvature locking component 4, a bendable plate-shaped assembly 5, and an adaptive angle connector 6. There are two sets of C-shaped hollow curvature positioning components 3, which are symmetrically arranged on both sides of the main adjustment rod 2. The number of adaptive angle connectors 6 matches the number of C-shaped hollow curvature positioning components 3, and they are connected to each component one by one.

[0032] Handle 1, as a handheld operating component, is detachably and fixedly connected to the main adjusting rod 2. The outer wall of handle 1 is integrally formed with anti-slip texture to increase the friction when the operator holds it, prevent the hand from slipping during construction and application, and improve the stability of operation. The main adjusting rod 2 is the main support structure of the entire tool. A groove is opened on its rod body, and two sets of C-shaped hollow arc positioning parts 3 are embedded in the groove, which can slide in a straight line along the groove. The inner wall of the groove is sprayed with a wear-resistant coating. A wear-resistant slider is fixedly installed on the end side of the C-shaped hollow arc positioning part 3 that contacts the groove. The wear-resistant coating and the wear-resistant slider work together to reduce the wear when the two slide together and extend the overall service life of the component. At the same time, the groove is marked with a scale that corresponds one-to-one with the radius of the arc, providing a visual reference for the precise setting of the arc.

[0033] The arc locking component 4 is a threaded locking structure that works in conjunction with the main adjusting rod 2 and the C-shaped hollow arc positioning component 3. When the arc locking component 4 is loosened, it can release the locking constraint on the C-shaped hollow arc positioning component 3, allowing the C-shaped hollow arc positioning component 3 to gain the freedom of sliding along the slide groove. When the arc locking component 4 is tightened, it can press and fix the C-shaped hollow arc positioning component 3 to the preset position of the main adjusting rod 2, thereby achieving stable arc shaping and ensuring that the tool can maintain the preset arc when pressed, thus meeting the construction shaping requirements.

[0034] The bendable plate component 5 is a flexible forming component made of a plate with flexible deformation capability and the ability to maintain the formed shape. Its two ends are connected to two sets of C-shaped hollow arc positioning components 3 through adaptive angle connectors 6. It can bend flexibly according to the position adjustment of the C-shaped hollow arc positioning components 3, and can stably fit the construction surface under pressure, meeting the force requirements of plastering, puttying and other construction, and adapting to the forming needs of construction surfaces with different curvatures.

[0035] The adaptive angle connector 6 connects the C-shaped hollow arc positioning component 3 and the flexible plate-shaped component 5. It adopts a double-pin hinge structure, and a damping pad is provided at the double-pin hinge. The damping pad can provide a preset damping force, so that the adaptive angle connector 6 can maintain a temporary position after adaptive rotation, which is convenient for operators to accurately adjust the arc and lock it. The adaptive angle connector 6 can perform multi-angle adaptive rotation with the sliding of the C-shaped hollow arc positioning component 3, automatically compensate for the angle difference between the C-shaped hollow arc positioning component 3 and the connection end of the flexible plate-shaped component 5, ensure the smoothness of the arc deformation process of the flexible plate-shaped component 5, and avoid the problem of component jamming or deformation failure.

[0036] Example 2

[0037] The multi-purpose construction tool with precisely adjustable curvature described in this embodiment is used in actual construction as follows:

[0038] Plane construction operation: In the initial state, both sets of C-shaped hollow arc positioning parts 3 are located at the symmetrical reference position of the main adjustment rod 2. At this time, the bendable plate component 5 is kept in a horizontal plane state. The bendable plate component 5 is directly attached to the construction plane. The operator holds the handle 1 and applies force to complete the plane construction operations such as plastering, puttying, and PVC floor laying. No arc adjustment is required throughout the process, making the operation convenient.

[0039] Inside corner construction operation: The operator first loosens the arc locking piece 4 to release the locking constraint on the two sets of C-shaped hollow arc positioning pieces 3. Then, the operator slides the two sets of C-shaped hollow arc positioning pieces 3 inward along the slide groove of the main adjusting rod 2. During the sliding process, the operator accurately sets the required arc radius according to the scale on the slide groove. During the sliding process, the adaptive angle connecting piece 6 rotates adaptively with the position change of the C-shaped hollow arc positioning piece 3, automatically compensating for the angle difference and driving the flexible plate component 5 to form an outward convex arc. When the flexible plate component 5 reaches the preset arc required for inside corner construction, the operator tightens the arc locking piece 4 to fix the C-shaped hollow arc positioning piece 3 in the corresponding position of the main adjusting rod 2, completing the arc shaping. Then, the operator fits the outward convex arc flexible plate component 5 into the construction surface of the inside corner of the building and applies force by holding the handle 1 to complete the inside corner arc construction. During the construction process, the tool arc remains stable and the forming accuracy is high.

[0040] External corner construction operation: Similarly, after loosening the arc locking piece 4, slide the two sets of C-shaped hollow arc positioning pieces 3 outward along the slide groove of the main adjusting rod 2. Set the arc radius required for external corner construction according to the slide groove scale. The adaptive angle connecting piece 6 rotates adaptively with the sliding of the C-shaped hollow arc positioning piece 3, driving the flexible plate component 5 to form an inward arc. After reaching the preset arc, tighten the arc locking piece 4 to complete the shaping. Fit the inward arc flexible plate component 5 to the external corner construction surface of the building. Hold the handle 1 and apply force to complete the external corner arc construction.

[0041] Curve switching and reset: When switching between flat, inside corner, and outside corner construction, simply repeat the operation of "loosening the curve locking piece 4 - sliding the C-shaped hollow curve positioning piece 3 to adjust the curve - tightening the curve locking piece 4 to fix the shape", without replacing the main body of the tool; after construction is completed, slide the two sets of C-shaped hollow curve positioning pieces 3 back to the symmetrical reference position of the main adjustment rod 2, tighten the curve locking piece 4, and the bendable plate component 5 can be restored to the horizontal plane state, which is convenient for tool storage and subsequent reuse.

[0042] The working principle of this invention is as follows: This working principle is based on the sliding nesting structure between the main adjusting rod 2 and the C-shaped hollow arc positioning part 3 and the coordinated action of the arc locking part 4, and the flexible bending and precise shaping of the bendable plate component 5 is achieved through the adaptive angle connecting part 6.

[0043] In the initial state, the C-shaped hollow arc positioning part 3 is located at the symmetrical reference position, and the flexible plate-shaped component 5 maintains a horizontal plane state, which is suitable for conventional plane construction.

[0044] Operators can loosen the arc locking piece 4 to release the locking constraint on the C-shaped hollow arc positioning piece 3, allowing the C-shaped hollow arc positioning piece 3 to slide freely along the slide groove of the main adjusting rod 2. At this time, the whole is in a "stepless adaptation" state, and the required arc can be accurately set along the scale according to the construction needs.

[0045] During the adjustment process, the adaptive angle connector 6 with double pin hinges automatically compensates for the angle difference between the C-shaped hollow arc positioning component 3 and the bendable plate component 5, ensuring a smooth arc forming process and avoiding plate jamming or deformation failure.

[0046] Once the bendable plate component 5 reaches the preset curvature, the C-shaped hollow curvature positioning component 3 is fixed to the corresponding position of the main adjusting rod 2 by tightening the curvature locking component 4, so as to achieve precise curvature shaping and enable the tool to withstand pressure and maintain curvature stability during construction processes such as plastering, puttying or PVC flooring installation.

[0047] This structure can slide inward to form a convex arc shape to adapt to the construction of inside corners, and slide outward to form a concave arc shape to adapt to the construction of outside corners. At the same time, without changing the main body of the tool, the arc shape can be switched by unlocking, adjusting and locking, and can be reset to the flat state at any time. This enables a single set of tools to cover the plane and carry out precise, convenient and efficient construction of multiple specifications and processes of rounded corners, significantly improving the level of construction standardization and construction efficiency, while reducing tool costs and operational complexity.

[0048] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the invention and are not intended to limit it. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the invention, but such modifications, substitutions, and variations are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A multi-purpose construction tool with precisely adjustable curvature, characterized in that, It includes handheld operating components, curvature adjustment and positioning components, locking components, flexible molding components, and angle-adaptive connectors; The handheld operating component is a handle (1), which is used to provide force application and operation grip; The arc adjustment and positioning component includes a main adjustment rod (2) and a C-shaped hollow arc positioning component (3), which are in a sliding nested fit. The main adjustment rod (2) provides guidance and support for arc adjustment, and the C-shaped hollow arc positioning component (3) is used to accurately calibrate and guide the arc forming trajectory of the flexible molding component to achieve stepless adjustment of the arc. The locking component is an arc locking component (4), which is connected in conjunction with the main adjusting rod (2) and the C-shaped hollow arc positioning component (3) to fix the C-shaped hollow arc positioning component (3) in place relative to the main adjusting rod (2) to achieve a stable arc shape. The flexible forming component is a bendable plate-shaped assembly (5), which is connected to two sets of C-shaped hollow arc positioning parts (3). It can be flexibly bent according to the position adjustment of the C-shaped hollow arc positioning parts (3) to adapt to the forming requirements of construction surfaces with different arcs. The angle-adaptive connector is an adaptive angle connector (6), which is connected between the C-shaped hollow arc positioning component (3) and the flexible plate component (5). It is used to automatically compensate for the angle difference between the two connection ends, ensure the smoothness of the arc deformation process of the flexible plate component (5), and avoid component jamming or deformation failure.

2. The multi-purpose construction tool with precisely adjustable curvature according to claim 1, characterized in that: The main adjusting rod (2) has a sliding groove, and the C-shaped hollow arc positioning part (3) is embedded in the sliding groove. The C-shaped hollow arc positioning part (3) can slide in a straight line along the sliding groove. The sliding groove is marked with a scale to achieve precise setting of the arc.

3. The multi-purpose construction tool with precisely adjustable curvature according to claim 1, characterized in that: The arc locking component (4) is a threaded locking structure. In the loosened state, it releases the locking constraint on the C-shaped hollow arc positioning component (3). In the tightened state, it tightens and fixes the C-shaped hollow arc positioning component (3) to the preset position of the main adjusting rod (2).

4. The multi-purpose construction tool with precisely adjustable curvature according to claim 1, characterized in that: The adaptive angle connector (6) adopts a double pin hinge structure, which can rotate adaptively at multiple angles as the C-shaped hollow arc positioning component (3) slides, thereby realizing real-time compensation of angle difference.

5. The multi-purpose construction tool with precisely adjustable curvature according to claim 1, characterized in that: The bendable plate component (5) is made of a plate with flexible deformation capability and can maintain its shape. Under pressure, it can stably fit the construction surface and meet the force requirements of plastering and puttying.

6. The multi-purpose construction tool with precisely adjustable curvature according to claim 1, characterized in that: When the C-shaped hollow arc positioning component (3) slides inward along the main adjusting rod (2), it drives the flexible plate component (5) to form an outward convex arc shape, which is suitable for the arc construction of the building's inner corner; when the C-shaped hollow arc positioning component (3) slides outward along the main adjusting rod (2), it drives the flexible plate component (5) to form an inward concave arc shape, which is suitable for the arc construction of the building's outer corner.

7. The multi-purpose construction tool with precisely adjustable curvature according to claim 1, characterized in that: When the C-shaped hollow arc positioning component (3) is located at the symmetrical reference position of the main adjusting rod (2), the flexible plate component (5) maintains a horizontal plane state, adapting to the construction operation of the building plane.

8. The multi-purpose construction tool with precisely adjustable curvature according to claim 1, characterized in that: The handle (1) and the main adjustment rod (2) are detachably fixedly connected. The outer wall of the handle (1) is provided with anti-slip texture to increase the friction when gripping.

9. The multi-purpose construction tool with precisely adjustable curvature according to claim 2, characterized in that: The inner wall of the groove of the main adjusting rod (2) is provided with a wear-resistant coating, and the end side of the C-shaped hollow arc positioning part (3) that contacts the groove is provided with a wear-resistant slider. The wear-resistant coating and the wear-resistant slider cooperate to reduce the wear when the two slide together and extend the service life of the parts.

10. The multi-purpose construction tool with precisely adjustable curvature according to claim 4, characterized in that: The adaptive angle connector (6) is provided with a damping pad at the double pin hinge. The damping pad provides a preset damping force so that the adaptive angle connector (6) can maintain a temporary position after adaptive rotation, which makes it easy for the operator to accurately adjust the curvature and lock it.

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