Internal and external corner trowelling scraper blade with adjustable length and angle

Abstract

The utility model discloses a length and angle adjustable internal and external corner trowelling scraper blade which comprises a fixed rod, a fixed seat is fixedly arranged at one end of the fixed rod, right-angle scraper blades are arranged on the two sides of the fixed seat, adjusting mechanisms are arranged on the two sides of the fixed seat, rotating grooves are formed in the two sides of the fixed seat, and each adjusting mechanism comprises two movable rods and two movable rods, the movable rods are rotationally connected into the two rotating grooves correspondingly, and are connected with the right-angle scrapers in a penetrating manner; the angle adjusting assembly is arranged on the fixed seat and is used for changing the angles of the movable rod and the right angle; the length adjusting assembly is arranged on the side, close to the right-angle scraping plates, of the movable rod and used for changing the length between the two right-angle scraping plates, and the angle and the distance between the two right-angle scraping plates are changed through rotation of the movable rod in the rotating groove and sliding of the movable rod in the sliding groove; the right-angle scrapers at the two ends can adapt to plastering of mutual combination of internal and external corners with different distances, and the applicability of the scrapers is improved.

Description

Technical Field

[0001] The present application relates to the field of construction engineering, and in particular to a concave-convex corner trowel with adjustable length and angle. Background Art

[0002] Yin and Yang corner smoothing scraper is a commonly used tool in construction, mainly used for plastering operations on the Yin and Yang corners of the wall. The Yin and Yang corners are part of the building structure. The Yin angle is a recessed corner, and the Yang angle is a protruding corner. These parts are often difficult to handle, which directly affects the aesthetics of the wall and the placement of furniture. The design and use of Yin and Yang corner smoothing scrapers are of great significance to improving construction efficiency and wall quality.

[0003] However, in the process of implementing relevant technical solutions, at least the following technical problems were found: when plastering the internal and external corners, the internal corner scraper and the external corner scraper are generally used for plastering respectively. When encountering the end of the wall, the combination of external corners and external corners, or the combination of external corners and internal corners, they need to be smoothed separately. The construction process is relatively complicated and inconvenient to use. Utility Model Content

[0004] The present application solves the problem of complicated construction when a combination of positive and negative corners appears in the prior art by providing a positive and negative corner smoothing scraper with adjustable length and angle, thereby achieving the effect of plastering the positive and negative corners at the same time.

[0005] The present application provides a smoothing scraper for inside and outside corners with adjustable length and angle, comprising a fixed rod, a fixed seat being fixedly arranged at one end of the fixed rod, right-angle scrapers being arranged on both sides of the fixed seat, adjustment mechanisms being arranged on both sides of the fixed seat, and rotation grooves being opened on both sides of the fixed seat, the adjustment mechanism comprising: two movable rods, which are rotatably connected to the inside of the two rotation grooves respectively, and the movable rods are interlaced and connected with the right-angle scrapers; an angle adjustment component, which is arranged on the fixed seat, and the angle adjustment component is used to change the angle between the movable rod and the right-angle scraper; a length adjustment component, which is arranged on the side of the movable rod close to the right-angle scraper, and the length adjustment component is used to change the length between the two right-angle scrapers.

[0006] Furthermore, a through groove is provided on one side of the movable rod close to the fixed seat, and the angle adjustment component includes: a clamping block, which is arranged on the top of the fixed seat, and the clamping block is slidably connected to the inside of the through groove; a threaded groove, which is opened on the outside of the bottom end of the clamping block, and the clamping block is threadedly connected to the fixed seat through the threaded groove.

[0007] Furthermore, the length adjustment assembly includes: a connecting seat, fixedly arranged on a side of the right-angle scraper close to the fixed seat, and the movable rod is interlaced and connected with the connecting seat; two adjusting bolts, respectively threadedly connected to the top and bottom of the connecting seat, and one end of the two adjusting bolts is in contact and connected with the movable rod.

[0008] Furthermore, limiting blocks are fixedly arranged on both sides of the movable rod, a sliding groove is provided on one side of the connecting seat close to the fixed seat, limiting grooves are provided on both sides of the sliding groove, and the movable rod and the limiting blocks are slidably connected to the inside of the sliding groove and the limiting groove respectively.

[0009] Furthermore, scale plates are fixedly arranged on the two limit blocks.

[0010] Furthermore, a handle is fixedly provided at the other end of the fixing rod, and a rubber layer is provided on the handle.

[0011] The technical solution provided by this application has at least the following technical effects or advantages:

[0012] By rotating the movable rod in the rotating groove, the movable rod can drive the right-angle scraper to rotate, so that the right-angle scrapers at both ends can adapt to different combinations of Yin-Yang angles. By moving the movable rod in the sliding groove, the distance between the two right-angle scrapers is changed, so that the right-angle scrapers at both ends can be moved to the combination of Yin-Yang angles at different distances according to actual conditions. By coordinating the changes in the angles of the right-angle scrapers at both ends, the applicability of the scraper is improved, and the scraper can be used to more conveniently perform plastering work on the wall corners of different combinations of Yin-Yang angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the flattening scraper for the internal and external corners in the embodiment of the present application;

[0014] Figure 2 This is a schematic diagram of the cross-sectional structure of the fixing seat in the embodiment of the present application;

[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the connecting seat in the embodiment of the present application;

[0016] Figure 4 This is a schematic diagram of the use structure of the scraper when the inner corner and the outer corner are combined in the embodiment of the present application;

[0017] Figure 5 This is a schematic diagram of the use structure of the scraper when the external corner is combined with the external corner in the embodiment of the present application;

[0018] In the figure: 10, fixing rod; 20, fixing seat; 30, handle; 40, adjusting mechanism; 50, right-angle scraper; 60, rotating groove; 70, sliding groove; 80, limiting groove; 41, movable rod; 42, angle adjustment assembly; 43, length adjustment assembly; 44, through groove; 421, clamping block; 422, threaded groove; 431, connecting seat; 432, limiting block; 433, scale plate; 434, adjusting bolt. DETAILED DESCRIPTION

[0019] The embodiment of the present application discloses a smoothing scraper for Yin-Yang corners with adjustable length and angle. The angle and distance of the two right-angle scrapers 50 are changed by the rotation of the movable rod 41 in the rotating groove 60 and the sliding in the sliding groove 70, so that the right-angle scrapers 50 at both ends can adapt to the plastering of the combination of Yin-Yang corners with different distances, thereby improving the applicability of the scraper and making it more convenient to perform plastering work on the wall corners with different combinations of Yin-Yang corners.

[0020] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] Please refer to Figure 1 , Figure 2 , Figure 4 and Figure 5The present embodiment provides a length and angle adjustable Yin-Yang corner smoothing scraper, comprising a fixed rod 10, one end of the fixed rod 10 is fixedly provided with a fixed seat 20, the other end of the fixed rod 10 is fixedly provided with a handle 30, a rubber layer is provided on the handle 30, both sides of the fixed seat 20 are provided with right-angle scrapers 50, both sides of the fixed seat 20 are provided with adjustment mechanisms 40, both sides of the fixed seat 20 are provided with rotation grooves 60, the adjustment mechanism 40 comprises a movable rod 41, an angle adjustment component 42, a length adjustment component 43, and a through groove 44, the two movable rods 41 are respectively rotatably connected to the inside of the two rotation grooves 60, the movable rod 41 is interlaced with the right-angle scraper 50, the angle adjustment component 42 is provided on the fixed seat 20, and the angle adjustment component 42 is used to change the angle of the movable rod 41 and the right-angle scraper 50, the through groove 44 is provided on the side of the movable rod 41 close to the fixed seat 20, and the angle adjustment component 42 is provided on the fixed seat 20. The degree adjustment component 42 includes a block 421 and a threaded groove 422. The block 421 is arranged on the top of the fixed base 20, and the block 421 is slidably connected to the inside of the through groove 44. The threaded groove 422 is opened on the outer side of the bottom end of the block 421, and the block 421 is threadedly connected to the fixed base 20 through the threaded groove 422. The movable rod 41 is rotated inside the rotating groove 60 on the fixed base 20, so that the angle of the right-angle scraper 50 at the other end of the movable rod 41 changes, so as to adapt to the plastering work of different combinations of positive and negative corners. The block 421 is inserted into the through groove 44 on the movable rod 41, so that the movable rod 41 can be fixed by the block 421 after rotating 180 degrees, and the rotation angle of the movable rod 41 and the right-angle scraper 50 is determined to prevent the right-angle scraper 50 from being unable to fit tightly against the wall corner due to the change in angle, so that the right-angle scrapers 50 at both ends can adapt to the combination of different positive and negative corners.

[0022] Please refer to Figure 1 , Figure 3 , Figure 4 and Figure 5, the length adjustment component 43 is arranged on the side of the movable rod 41 close to the right-angle scraper 50, and the length adjustment component 43 is used to change the length between the two right-angle scrapers 50, the length adjustment component 43 includes a connecting seat 431, a limit block 432, a scale plate 433, and an adjusting bolt 434. The connecting seat 431 is fixedly arranged on the side of the right-angle scraper 50 close to the fixed seat 20, and the movable rod 41 is interlaced with the connecting seat 431, the two limit blocks 432 are fixedly arranged on both sides of the movable rod 41, and the adjusting bolt 434 is arranged on the limit block 432. The two adjusting bolts 434 are respectively threadedly connected to the top and bottom of the connecting seat 431, and one end of the two adjusting bolts 434 is in contact with the movable rod 41. A sliding groove 70 is provided on the side of the connecting seat 431 close to the fixed seat 20, and limiting grooves 80 are provided on both sides of the sliding groove 70. The movable rod 41 and the limit block 432 are respectively slidably connected The movable rod 41 is limited in the sliding groove 70 and the limiting groove 80 by the sliding of the limiting block 432 in the limiting groove 80, so as to prevent the angle between the movable rod 41 and the right-angle scraper 50 from changing. The blocking block 421 is inserted into the through groove 44 to limit the angle of the movable rod 41, so that the angle of the right-angle scraper 50 will not be deflected, so as to ensure that the right-angle scraper 50 is in close contact with the yin-yang angle. The distance between the two right-angle scrapers 50 can be changed by the sliding of the movable rod 41 in the connecting seat 431 and the limiting of the movable rod 41 by the adjusting bolt 434. The distance between the two right-angle scrapers 50 can be accurately adjusted by the scale plate 433 on the limiting block 432, so that the right-angle scrapers 50 at both ends can adapt to the combination of yin-yang angles with different distances, thereby improving the applicability of the scraper and making it more convenient to perform plastering work on the wall corners with different yin-yang angle combinations.

[0023] This application can explain its functional principle through the following operation methods:

[0024] When in use, the block 421 is rotated so that the block 421 threadedly connected to the fixing seat 20 through the thread groove 422 is screwed out from the through groove 44 in the movable rod 41, and then the movable rod 41 is rotated according to the wall corner that needs to be plastered, so that the movable rod 41 drives the right-angle scraper 50 to rotate to a suitable angle, and plastering work is performed on different combinations of positive and negative corners. The block 421 is then screwed into the fixing seat 20, so that the block 421 extends into the through groove 44 in the movable rod 41, and the angle of the movable rod 41 is limited so that the movable rod 41 can only be fixed at a fixed angle to prevent the angle of the movable rod 41 and the right-angle scraper 50 from being deflected. When plastering the wall corners with a combination of positive and negative corners, the required distance between the two right-angle scrapers 50 is determined according to the distance between the two wall corners, and the adjusting bolt 434 on the rotating connecting seat 431 is separated from the movable rod 41. , release the fixation of the movable rod 41 inside the slide groove 70, so that the movable rod 41 changes the distance between the two right-angle scrapers 50 according to the indication of the scale plate 433 on the limit block 432, the limit blocks 432 on both sides of the movable rod 41 can limit the movement of the movable rod 41 to prevent the angle between the movable rod 41 and the right-angle scraper 50 from changing, and cooperate with the block 421 to limit the angle of the movable rod 41, so that the angle of the right-angle scraper 50 will not deviate, observe the indication on the scale plate 433 to move the movable rod 41, so that the right-angle scraper 50 at both ends can be accurately moved to the two corners, cooperate with the movable rod 41 to change the angle of the right-angle scraper 50, so that the right-angle scraper 50 at both ends can be used for plastering work on the combination of yin and yang angles of different distances, thereby improving the applicability of the scraper, and making it more convenient for the scraper to plaster the corners of different combinations of yin and yang angles.

[0025] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

[0026] What has been described above is only a preferred specific implementation manner of the embodiments of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes according to the technical scheme and concept of the present application within the technical scope disclosed in the present application, which should be covered by the protection scope of the present application.

Claims

1. A smoothing scraper for internal and external corners with adjustable length and angle, comprising a fixing rod (10), characterized in that: A fixing seat (20) is fixedly arranged at one end of the fixing rod (10), right-angle scrapers (50) are arranged on both sides of the fixing seat (20), adjustment mechanisms (40) are arranged on both sides of the fixing seat (20), rotation grooves (60) are opened on both sides of the fixing seat (20), and the adjustment mechanism (40) comprises: Two movable rods (41) are rotatably connected to the inside of the two rotating grooves (60), and the movable rods (41) are interlacedly connected with the right-angle scraper (50); An angle adjustment component (42) is arranged on the fixing seat (20), and the angle adjustment component (42) is used to change the angle between the movable rod (41) and the right-angle scraper (50); The length adjustment component (43) is arranged on a side of the movable rod (41) close to the right-angle scraper (50), and the length adjustment component (43) is used to change the length between the two right-angle scrapers (50).

2. The length and angle adjustable internal and external corner trowel as claimed in claim 1, characterized in that: A through slot (44) is formed on one side of the movable rod (41) close to the fixing seat (20), and the angle adjustment component (42) comprises: A clamping block (421) is disposed on the top of the fixing seat (20), and the clamping block (421) is slidably connected to the inside of the through slot (44); A thread groove (422) is provided on the outer side of the bottom end of the clamping block (421), and the clamping block (421) is threadedly connected to the fixing seat (20) via the thread groove (422).

3. The length and angle adjustable internal and external corner trowel as claimed in claim 1, characterized in that: The length adjustment component (43) comprises: A connecting seat (431) is fixedly arranged on a side of the right-angle scraper (50) close to the fixing seat (20), and the movable rod (41) is interlacedly connected with the connecting seat (431); Two adjusting bolts (434) are respectively threadedly connected to the top and bottom of the connecting seat (431), and one end of the two adjusting bolts (434) is in contact with and connected to the movable rod (41).

4. The length and angle adjustable internal and external corner trowel as claimed in claim 3, characterized in that: Limiting blocks (432) are fixedly arranged on both sides of the movable rod (41); a sliding groove (70) is provided on one side of the connecting seat (431) close to the fixed seat (20); limiting grooves (80) are provided on both sides of the sliding groove (70); the movable rod (41) and the limiting blocks (432) are slidably connected to the inside of the sliding groove (70) and the limiting groove (80), respectively.

5. The length and angle adjustable internal and external corner trowel as claimed in claim 4, characterized in that: A scale plate (433) is fixedly arranged on each of the two limit blocks (432).

6. The length and angle adjustable internal and external corner trowel scraper as claimed in claim 1, characterized in that: A handle (30) is fixedly provided at the other end of the fixing rod (10), and a rubber layer is provided on the handle (30).

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