Building wall surface slicking device

Abstract

The utility model discloses a building wall surface slicking device, which belongs to the technical field of building construction, and comprises a handheld rod, the upper end of the handheld rod is movably sleeved with a first lifting rod, the first lifting rod is provided with a locking mechanism, and the first lifting rod is locked with the handheld rod through the locking mechanism; the top end of the first lifting rod is rotationally connected with a scraping plate. A sleeve is fixedly installed at the bottom end of the handheld rod and rotationally connected with a first hand wheel. According to the utility model, through the movable sleeve connection design of the handheld rod and the first lifting rod and the combination of the locking mechanism and the telescopic transmission assembly, the flexible adjustment of the height and the angle of the scraping plate is realized. An operator can quickly adjust the telescopic length of the lifting rod and the angle of the scraping plate according to the height and angle requirements of a wall surface to be scraped, so that the construction efficiency is greatly improved, the labor intensity is reduced, and the operation is more convenient and efficient.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, specifically a wall leveling device. Background Technology

[0002] In the construction process, the smoothness of the wall surface is one of the important factors affecting the building quality. Wall leveling not only removes excess mortar or putty generated during construction, but also ensures the smoothness and aesthetics of the wall surface, providing a good foundation for subsequent decoration work. A smooth wall surface reduces waste of decorative materials and improves the uniformity and consistency of the decorative effect. Furthermore, wall leveling effectively avoids structural defects caused by uneven walls, such as loose tile installation and paint cracking, thereby extending the building's lifespan. Therefore, wall leveling is an indispensable and crucial step in construction.

[0003] However, existing wall leveling devices have many inconveniences in practical use. Traditional leveling tools cannot simultaneously meet the operator's needs for flexible adjustment of the height and angle of the screed plate. For example, Chinese patent CN222333209U discloses a wall leveling device for building construction, which achieves height adjustment of the leveling device, but it is difficult to adjust the angle of the screed plate. Therefore, it is not convenient to level horizontally in places such as the side corners of the wall, resulting in inconvenient operation and low efficiency.

[0004] Therefore, we propose a wall leveling device to solve the problems mentioned above.

[0005] The information disclosed above in this background section is only intended to enhance the understanding of the background section of this utility model, and therefore may include prior art that is not known to those skilled in the art. Utility Model Content

[0006] The purpose of this utility model is to provide a wall leveling device to solve the problem mentioned in the background art that the existing technology is not convenient for simultaneous height and angle adjustment.

[0007] To achieve the above objectives, this utility model provides a building wall leveling device, including a hand handle, with a first lifting rod movably sleeved on the upper end of the hand handle. The first lifting rod is provided with a locking mechanism, and the first lifting rod is locked to the hand handle through the locking mechanism.

[0008] A scraper plate is rotatably connected to the top of the first lifting rod;

[0009] A sleeve is fixedly installed at the bottom of the handheld rod, and a first handwheel is rotatably connected to the sleeve. The handheld rod and the first lifting rod are equipped with a telescopic transmission assembly. The first handwheel is connected to the scraper plate through the telescopic transmission assembly.

[0010] Preferably, the handheld lever includes an outer rod, on which a guide strip is fixedly installed, and the guide strip has a guide groove.

[0011] The first lifting rod includes a second lifting rod inserted into the outer rod, and the second lifting rod is fixedly installed with a connecting strip, which is also located in a guide groove;

[0012] A top rod is fixedly installed at the top of the second lifting rod, and the scraper plate is rotatably connected to the top rod;

[0013] The locking mechanism is fixedly installed on the connecting bar and extends through the guide groove to the outside of the outer rod.

[0014] Preferably, the locking mechanism includes a connecting ring, a screw, an arc-shaped plate, and a second handwheel;

[0015] The connecting ring is located on the periphery of the outer rod and passes through the guide groove to be fixed to the connecting strip;

[0016] The screw is threaded onto the connecting ring and is perpendicular to the outer rod;

[0017] The arc-shaped plate is rotatably connected to one end of the screw facing the outer rod, and the second handwheel is fixedly installed on the other end of the screw.

[0018] The connecting ring is also provided with a horizontal sliding groove, and the two ends of the arc plate are fixedly installed with locking blocks, which are located in the sliding groove.

[0019] Preferably, the bottom end of the outer rod is provided with a soft pad.

[0020] Preferably, the retractable transmission assembly includes a first transmission rod, a second transmission rod, a second bevel gear, and a fourth bevel gear;

[0021] The first transmission rod is rotatably connected in the inner cavity of the outer rod, and a first bevel gear is fixedly installed at its bottom end, the first bevel gear meshing with the second bevel gear;

[0022] The first transmission rod has a cross-shaped hole at its top end. The second transmission rod is rotatably connected to the inner cavity of the second lifting rod and has a cross-shaped structure at its bottom end. The bottom end of the second transmission rod is inserted into the cross-shaped hole of the first transmission rod. The top end of the second transmission rod passes through the top rod and is fixedly installed with a third bevel gear. The third bevel gear meshes with the fourth bevel gear.

[0023] The second bevel gear is located inside the sleeve and is fixed to the first handwheel;

[0024] The fourth bevel gear is located inside the top rod and is fixed to the scraper plate.

[0025] Preferably, the sleeve is further provided with a limiting mechanism;

[0026] The limiting mechanism includes a helical gear, a trapezoidal block, and a pull rod;

[0027] The helical gear is fixedly installed in the part of the first handwheel located inside the sleeve. The pull rod passes through the sleeve, and one end of the pull rod located inside the sleeve is fixed to the trapezoidal block. The trapezoidal block is in contact with the meshing teeth of the helical gear.

[0028] A spring is also sleeved on the pull rod, and the two ends of the spring are fixed to the trapezoidal block and the sleeve, respectively.

[0029] Compared with the prior art, the beneficial effects of this utility model are:

[0030] (1) This utility model achieves flexible adjustment of the height and angle of the scraper plate by using a movable sleeve design between the hand handle and the first lifting rod, combined with a locking mechanism and a telescopic transmission component. Operators can quickly adjust the telescopic length of the lifting rod and the angle of the scraper plate according to the height and angle requirements of the wall surface to be scraped, which greatly improves construction efficiency, reduces labor intensity, and makes operation more convenient and efficient.

[0031] (2) This utility model incorporates a limiting mechanism on the sleeve. Through the interaction of helical gears, trapezoidal blocks, and springs, the angle of the scraper plate can be effectively limited, preventing accidental rotation or resetting due to external forces during use. This limiting mechanism not only improves the stability and safety of the scraping operation but also ensures that the scraper plate remains at the set angle, thereby improving the quality and consistency of wall scraping. The design of the limiting mechanism allows operators to focus more on the scraping operation without worrying about unexpected changes in the angle of the scraper plate, further enhancing the convenience and reliability of construction.

[0032] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0034] Figure 2 for Figure 1 A plan view;

[0035] Figure 3 This is a structural schematic diagram of the lifting rod and locking mechanism of this utility model;

[0036] Figure 4 This is a cross-sectional schematic diagram of the locking mechanism of this utility model;

[0037] Figure 5 for Figure 1 A cross-sectional schematic diagram;

[0038] Figure 6 This is a schematic diagram of the retractable transmission component of this utility model;

[0039] Figure 7 This is a schematic diagram of the structure of the second transmission rod of this utility model;

[0040] Figure 8 This is a schematic diagram showing the connection between the scraper plate and the fourth bevel gear of this utility model;

[0041] Figure 9 for Figure 1 Enlarged view of the structure at point A in the middle;

[0042] Figure 10 This is a schematic diagram of the limiting mechanism of this utility model.

[0043] In the diagram: 1. Handheld lever; 2. First lifting lever; 3. Locking mechanism; 4. Scraper plate; 5. Sleeve; 6. First handwheel; 7. Telescopic transmission assembly; 8. Soft pad; 9. Limiting mechanism;

[0044] 11. Outer rod; 12. Guide bar; 13. Guide groove;

[0045] 21. Second lifting rod; 22. Connecting bar; 23. Top rod;

[0046] 31. Connecting ring; 32. Screw; 33. Arc plate; 34. Second handwheel; 35. Slide groove; 36. Locking block;

[0047] 71. First transmission rod; 72. Second transmission rod; 73. First bevel gear; 74. Second bevel gear; 75. Third bevel gear; 76. Fourth bevel gear;

[0048] 91. Helical gear; 92. Trapezoidal block; 93. Pull rod; 94. Spring. Detailed Implementation

[0049] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. It should be noted that the drawings are schematic and not illustrated to scale. For clarity and convenience, the relative sizes and proportions of the parts shown in the drawings have been exaggerated or reduced in size. Any size is only illustrative and not limiting.

[0050] Please see Figure 1 and Figure 5 A wall screeding device includes: a handheld rod 1, with a first lifting rod 2 movably sleeved at the upper end of the handheld rod 1, the first lifting rod 2 having a locking mechanism 3, the first lifting rod 2 being locked to the handheld rod 1 through the locking mechanism 3; a scraping plate 4 being rotatably connected to the top end of the first lifting rod 2; a sleeve 5 being fixedly installed at the bottom end of the handheld rod 1, the sleeve 5 being rotatably connected to a first handwheel 6; a retractable transmission assembly 7 being provided inside the handheld rod 1 and the first lifting rod 2, the first handwheel 6 being rotatably connected to the scraping plate 4 through the retractable transmission assembly 7; and a soft pad 8 being provided at the bottom end of the outer rod 11.

[0051] By adopting the above technical solution, when using the device, the operator holds the handle 1 and adjusts the length of the first lifting rod 2 extending from the handle 1 according to the height of the wall surface to be leveled. Then, it can be locked by the locking mechanism 3. When using the device, the angle of the scraper plate 4 can be adjusted by rotating the first handwheel 6 according to the specific conditions of the wall surface to be leveled, so that the scraper plate 4 can achieve multi-angle leveling, which makes it convenient for the operator to use.

[0052] Please see Figures 1-3 The handheld lever 1 includes an outer lever 11, on which a guide bar 12 is fixedly installed, and a guide groove 13 is provided on the guide bar 12; the first lifting lever 2 includes a first and a second lifting lever 21 inserted into the outer lever 11, on which a connecting bar 22 is fixedly installed, and the connecting bar 22 is also located in the guide groove 13; a top lever 23 is fixedly installed at the top of the first and second lifting levers 21, and a scraper plate 4 is rotatably connected to the top lever 23; the locking mechanism 3 is fixedly installed on the connecting bar 22 and extends through the guide groove 13 to the outside of the outer lever 11.

[0053] Please see Figure 3 and Figure 4The locking mechanism 3 includes a connecting ring 31, a screw 32, an arc plate 33, and a second handwheel 34. The connecting ring 31 is located on the periphery of the outer rod 11 and passes through the guide groove 13 and is fixed to the connecting strip 22. The screw 32 is threaded onto the connecting ring 31 and is perpendicular to the outer rod 11. The arc plate 33 is rotatably connected to one end of the screw 32 facing the outer rod 11, and the second handwheel 34 is fixedly installed on the other end of the screw 32. The connecting ring 31 also has a horizontal sliding groove 35, and the two ends of the arc plate 33 are fixedly installed with locking blocks 36, which are located in the sliding groove 35.

[0054] By adopting the above technical solution, after the first and second lifting rods 21 are pulled out, the second handwheel 34 is turned to push the arc plate 33 to move, thereby contacting the outer rod 11. There is a suitable pressure between the arc plate 33 and the outer rod 11, so that the outer rod 11 and the first and second lifting rods 21 remain in a stable state.

[0055] Please see Figures 5-8 The retractable transmission assembly 7 includes a first transmission rod 71, a second transmission rod 72, a second bevel gear 74, and a fourth bevel gear 76. The first transmission rod 71 is rotatably connected to the inner cavity of the outer rod 11, and a first bevel gear 73 is fixedly installed at its bottom end. The first bevel gear 73 meshes with the second bevel gear 74. The top end of the first transmission rod 71 has a cross-shaped hole. The second transmission rod 72 is rotatably connected to the inner cavity of the first and second lifting rods 21, and its bottom end has a cross-shaped structure. The bottom end of the second transmission rod 72 is inserted into the cross-shaped hole of the first transmission rod 71. The top end of the second transmission rod 72 passes through the top rod 23, and a third bevel gear 75 is fixedly installed thereon. The third bevel gear 75 meshes with the fourth bevel gear 76. The second bevel gear 74 is located inside the sleeve 5 and is fixed to the first handwheel 6. The fourth bevel gear 76 is located inside the top rod 23 and is fixed to the scraper plate 4.

[0056] By adopting the above technical solution, when the first and second lifting rods 21 are pulled out during use, the first and second lifting rods 21 will drive the second transmission rod 72 to rise. However, the second transmission rod 72 and the first transmission rod 71 will not disengage from each other. Thus, when the first handwheel 6 is turned, the second bevel gear 74 drives the first bevel gear 73 to rotate, which in turn causes the first transmission rod 71 to drive the second transmission rod 72 to rotate, which in turn causes the third bevel gear 75 to drive the fourth bevel gear 76 to rotate, thereby causing the scraper plate 4 to rotate and realizing the adjustment of the angle of the scraper plate 4.

[0057] Example 2:

[0058] Please see Figure 9 and Figure 10Based on embodiment 1, the sleeve 5 is further provided with a limiting mechanism 9; the limiting mechanism 9 includes a helical gear 91, a trapezoidal block 92 and a pull rod 93; the helical gear 91 is fixedly installed on the part of the first handwheel 6 located inside the sleeve 5, the pull rod 93 passes through the sleeve 5, one end of the pull rod 93 located inside the sleeve 5 is fixed to the trapezoidal block 92, and the trapezoidal block 92 is in contact with the meshing teeth of the helical gear 91; a spring 94 is also sleeved on the pull rod 93, and the two ends of the spring 94 are fixed to the trapezoidal block 92 and the sleeve 5 respectively.

[0059] By adopting the above technical solution, when rotating the scraper plate 4 to adjust the angle, the limiting mechanism 9 can restrict the reset of the scraper plate 4. Rotating the first handwheel 6 causes the helical gear 91 to rotate. The arc-shaped surface of the helical gear 91 presses against the inclined surface of the trapezoidal block 92, thereby causing the spring 94 to contract. Subsequently, the trapezoidal block 92 is engaged in the helical gear 91, so that the angle of the first handwheel 6 remains fixed.

[0060] Working principle: The operator first adjusts the height of the scraper plate 4 by adjusting the extension length of the first lifting rod 2 according to the height of the wall to be scraped, and then locks it in place by the locking mechanism 3. In use, the operator holds the handle rod 1, and then adjusts the angle of the scraper plate 4 by rotating the first handwheel 6 through the telescopic transmission component 7, and then grips the first handwheel 6 to achieve the scraping of the wall surface.

[0061] All standard parts used in this invention can be purchased from the market, and irregularly shaped parts can be customized according to the description and drawings. The specific connection methods for each part all employ conventional methods such as bolts, rivets, and welding, which are mature technologies in the prior art. The machinery, parts, and equipment all use conventional models in the prior art, and the circuit connections also use conventional connection methods in the prior art, which will not be detailed here. Any content not described in detail in this specification belongs to the prior art known to those skilled in the art.

[0062] In the description of this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. "A plurality of" means two or more, unless otherwise explicitly specified.

[0063] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0064] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0065] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0066] The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0067] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A wall surface leveling device, characterized in that, Includes a handheld lever (1), the upper end of which is movably sleeved with a first lifting lever (2), the first lifting lever (2) is provided with a locking mechanism (3), and the first lifting lever (2) is locked to the handheld lever (1) through the locking mechanism (3); The top end of the first lifting rod (2) is rotatably connected to a scraper plate (4); A sleeve (5) is fixedly installed at the bottom of the handheld rod (1). The sleeve (5) is rotatably connected to a first handwheel (6). The handheld rod (1) and the first lifting rod (2) are provided with a retractable transmission assembly (7). The first handwheel (6) is connected to the scraper plate (4) through the retractable transmission assembly (7).

2. The wall surface leveling device according to claim 1, characterized in that: The handheld lever (1) includes an outer rod (11), on which a guide strip (12) is fixedly installed, and a guide groove (13) is provided on the guide strip (12). The first lifting rod (2) includes a second lifting rod (21) inserted into the outer rod (11), and the second lifting rod (21) is fixedly installed with a connecting strip (22), which is also located in the guide groove (13); The top of the second lifting rod (21) is fixedly installed with a top rod (23), and the scraper plate (4) is rotatably connected to the top rod (23); The locking mechanism (3) is fixedly installed on the connecting bar (22) and extends through the guide groove (13) to the outside of the outer rod (11).

3. A wall surface leveling device according to claim 2, characterized in that: The locking mechanism (3) includes a connecting ring (31), a screw (32), an arc plate (33), and a second handwheel (34). The connecting ring (31) is located on the periphery of the outer rod (11) and passes through the guide groove (13) and is fixed to the connecting strip (22); The screw (32) is threaded onto the connecting ring (31) and is perpendicular to the outer rod (11); The arc plate (33) is rotatably connected to one end of the screw (32) facing the outer rod (11), and the second handwheel (34) is fixedly installed at the other end of the screw (32); The connecting ring (31) is also provided with a horizontal groove (35), and the two ends of the arc plate (33) are fixedly installed with a locking block (36), which is located in the groove (35).

4. A wall surface leveling device according to claim 2, characterized in that: The bottom end of the outer rod (11) is provided with a pad (8).

5. A wall surface leveling device according to claim 2, characterized in that: The retractable transmission assembly (7) includes a first transmission rod (71), a second transmission rod (72), a second bevel gear (74), and a fourth bevel gear (76). The first transmission rod (71) is rotatably connected in the inner cavity of the outer rod (11), and a first bevel gear (73) is fixedly installed at its bottom end. The first bevel gear (73) meshes with the second bevel gear (74). The first transmission rod (71) has a cross-shaped hole at its top end. The second transmission rod (72) is rotatably connected to the inner cavity of the second lifting rod (21) and has a cross-shaped structure at its bottom end. The bottom end of the second transmission rod (72) is inserted into the cross-shaped hole of the first transmission rod (71). The top end of the second transmission rod (72) passes through the top rod (23) and is fixedly installed with a third bevel gear (75). The third bevel gear (75) meshes with the fourth bevel gear (76). The second bevel gear (74) is located inside the sleeve (5) and is fixed to the first handwheel (6); The fourth bevel gear (76) is located inside the top rod (23) and is fixed to the scraper plate (4).

6. A wall surface leveling device according to claim 1, characterized in that: The sleeve (5) is also provided with a limiting mechanism (9); The limiting mechanism (9) includes a helical gear (91), a trapezoidal block (92), and a pull rod (93); The helical gear (91) is fixedly installed in the part of the first handwheel (6) located inside the sleeve (5). The pull rod (93) passes through the sleeve (5). One end of the pull rod (93) located inside the sleeve (5) is fixed to the trapezoidal block (92). The trapezoidal block (92) is in contact with the meshing teeth of the helical gear (91). A spring (94) is also sleeved on the pull rod (93), and the two ends of the spring (94) are fixed to the trapezoidal block (92) and the sleeve (5) respectively.

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