TWI743694B - Improved structure of tile scraper - Google Patents

Abstract

The present invention relates to an "improvement of the structure of a tile scraper", which includes a handle and a blade module. The handle and the blade module are arranged correspondingly in a modular manner. Generally, the tiles can be moved through the blade when trimming the tiles. The stains or cement waste can be removed or trimmed. When the blade is worn out for a long time, the corresponding latch structure can achieve the benefit of quickly replacing the blade.

Description

Improved structure of tile scraper

The present invention relates to an improvement of the structure of a tile scraper, in detail, it is a scraper used for removing or trimming dirt or cement waste on the tile when the tile is trimmed, and it has the function of quickly replacing the blade.

By the way, in construction work, cement trowels are often used as cement trowels or coatings on working surfaces such as walls, columns, countertops, etc.; general traditional floor tiles, such as ceramic tiles, stone, quartz tiles, etc. The construction method of floor bonding is very simple. The main method is to spread a layer of cement sand on the surface of the flat floor, and then place the floor tiles on the cement sand one by one. Ping cemented together.

After the tiles and floor tiles are pasted until the cement dries up, the surface will inevitably have stains or cement overflow parts. At this time, it is necessary to use a tile scraper to scrape the surface stains or cement overflow parts of the tiles and floor tiles. , Please refer to the ROC Patent Certificate No. D109570 for the "tile scraper" design patent case, which is a tool used to remove stains or cement spilled parts on the surface of a tile. However, the surface of the tile is stained and hard. The cement film has a certain degree of hardness. After long-term repeated use, the blade part of the squeegee will slowly become dull, which will greatly reduce the cleaning effect. The handle and blade of the tile squeegee in the previous case are fixed by a plurality of screws. Therefore, it is quite inconvenient to replace the doctor blade.

Based on years of experience in the development of related industries, the inventor has conducted in-depth discussions on the problems faced by existing tile scrapers and actively sought solutions. After long-term research and development, he finally succeeded in creating a tile scraper. The structure is improved. It is a scraper used to remove or trim the dirt or cement waste on the tiles when trimming the tiles, and it has the function of quickly replacing the blades.

The present invention relates to an improvement in the structure of a tile scraper, which is a scraper used for removing or trimming dirt or cement waste on the tile when the tile is trimmed, and has the function of quickly replacing the blade.

In order to achieve the foregoing creative purpose, the "improved structure of the tile scraper" of the present invention includes a handle and a blade module. The handle has a handle section and an assembly head end. The handle is near the assembly head end. An inner cavity is formed on the inner side of the handle, a sliding switch is arranged on the side of the handle, a pull rod is arranged on the inner cavity of the sliding switch, a positioning component is pivoted on the handle, and one side of the positioning component is A buckle for hooking with the pull rod is formed, a positioning protrusion is formed on the other side, a polygonal coupling hole is formed on one side of the assembly head, and a polygonal coupling hole is formed on the other side of the assembly head The blade module includes a blade and an assembling seat, the assembling seat is correspondingly arranged in the polygonal coupling hole, the assembling seat is formed with a groove for the positioning card to be inserted into the card, the blade The handle extends outward through the knife slot, and the inner cavity of the handle is provided with a spring that springs against the sliding switch, and the sliding opening relationship pushes against the positioning component, so that the positioning card is normally inserted into the notch.

In this way, when you want to replace the blade module, you only need to push the sliding switch. While compressing the spring, the pull rod pulls the positioning assembly to pivot in the other direction. The assembly seat can be extracted from the polygonal joint hole, and the assembly seat of the new blade module is installed in the polygonal joint hole. Release the slide switch to make the spring rebound, so that the positioning card is re-inserted into the missing slot of the new assembly seat. , You can quickly complete the replacement of the blade module.

A first lead angle is formed at one end of the aforementioned assembly base, and a second lead angle corresponding to the first lead angle is formed on the convex side of the positioning card.

The aforementioned handle is formed with a bent section between the handle section and the assembly head end.

It can be seen from the foregoing creation that the "improvement of the structure of the tile scraper" of the present invention can remove or trim the dirt or cement waste on the tiles through the blade when trimming the tiles, and the blade part of the scraper of the present invention is arranged in a modular manner. , Through the corresponding latch structure, it can have the function of quickly replacing the blade.

1: grip

11: Grip section

12: Assemble the head end

121: Polygonal combination hole

122: Out of the knife slot

13: inner cavity

14: Slide switch

141: Trolley

15: Positioning components

151: Buckle

152: positioning card convex

153: second lead angle

16: spring

17: Bending section

2: Blade module

21: Blade

22: Assemble the seat

221: missing slot

222: first lead angle

The first figure is a three-dimensional schematic diagram of the improved structure of the tile scraper of the present invention.

The second figure is a partial three-dimensional exploded schematic view of the improved structure of the tile scraper of the present invention.

Figures 3 to 5 are schematic cross-sectional views of the operating state of the replacement blade module of the present invention.

The present invention relates to an improvement of the structure of a tile scraper, which is a scraper used to remove or trim dirt or cement waste on the tiles when trimming tiles, and it has the function of quickly replacing the blades. Please refer to the first picture. As shown in the fifth figure, the "improved structure of the tile scraper" of the present invention includes a handle 1 and a blade module 2. The handle 1 has a handle section 11 and an assembly head 12, the handle The handle 1 is formed with an inner cavity 13 near the inner side of the assembly head 12, the handle 1 is provided with a sliding switch 14 on the side, and the sliding switch 14 is provided with a pull rod 141 in the inner cavity 13. The inner cavity 13 is pivotally provided with a positioning component 15. One side of the positioning component 15 is formed with a buckle 151 for hooking with the pull rod 141, and the other side is formed with a positioning protrusion 152. The assembly head 12 is formed on one side There is a polygonal coupling hole 121, the other side of the assembly head 12 is formed with an outlet slot 122 communicating with the polygonal coupling hole 121; the blade module 2 has a blade 21 and an assembly seat 22, the The assembling seat 22 has to be correspondingly arranged in the polygonal coupling hole 121. The assembling seat 22 is formed with a notch 221 for the positioning protrusion 152 to be inserted into the card. The blade 21 extends outward through the knife slot 122, and the handle 1 The inner cavity 13 is provided with a spring 16 that is resilient to the sliding switch 14. The sliding switch 14 is pushed against the positioning assembly 15 so that the positioning protrusion 152 is normally inserted into the notch 221; in this way, when the blade mold is to be replaced In group 2, only the sliding switch 14 needs to be pushed. While the spring 16 is compressed, the pull rod 141 pulls the positioning assembly 15 to pivot in the other direction. As shown in the third figure), the assembly seat 22 can be drawn out from the polygonal coupling hole 121, and then the assembly seat 22 of the new blade module 2 is installed in the polygonal coupling hole 121, and the slide switch 14 is released to make the spring 16 rebound. , The positioning protrusion 152 is re-inserted into the slot 221 of the new assembly base 22, and the replacement of the blade module 2 can be quickly completed.

Furthermore, a first chamfer 222 is formed at one end of the assembly base 22, and a second chamfer 153 corresponding to the first chamfer 222 is formed on one side of the positioning protrusion 152; When the module 2 is installed on the assembling head end 12, there is no need to operate the sliding switch 14 to retract the positioning protrusion 152, and directly insert the assembling base 22 into the polygonal coupling hole 121 through The first lead angle 222 and the second lead angle 153 are pushed against each other so that the positioning assembly 15 is forced to pivot. When the positioning protrusion 152 is positioned in the groove 221, the spring 16 can rebound to complete the positioning effect.

Furthermore, the handle 1 is formed with a bending section 17 between the handle section 11 and the assembly head 12; the bending section 17 makes the overall tool more ergonomic and improves the tool operation The convenience.

It can be seen from the foregoing creation that the "improvement of the structure of the tile scraper" of the present invention can remove or trim the dirt or cement waste on the tiles through the blade when trimming the tiles, and the blade part of the scraper of the present invention is arranged in a modular manner. , Through the corresponding latch structure, it can have the function of quickly replacing the blade; the above is only used to explain the preferred embodiment of the invention, and it is not intended to impose any formal restriction on the invention. Therefore, any modifications or changes made to the creation of the present invention under the same creative spirit should still be included in the creation of the present invention that is intended to protect. Within the scope.

In summary, the "improvement of the structure of the tile scraper" created by the present invention is indeed practical in terms of structural design and practicality, and the disclosed structural creation also has an unprecedented innovative structure, so it has " "Novelty" should undoubtedly be considered, and the creation of the present invention can be more effective than the conventional structure, so it is also "progressive". It fully complies with the provisions of the Chinese Patent Law on invention patent applications. To file a patent application, I implore the Jun Bureau to grant the patent right for this case as soon as possible.

1: grip

11: Grip section

12: Assemble the head end

14: Slide switch

17: Bending section

2: Blade module

21: Blade

22: Assemble the seat

Claims (3)

A structure improvement of a tile scraper includes a handle and a blade module. The handle has a handle section and an assembling head end. The handle is formed with a handle near the inner side of the assembling head end. In the inner cavity, the handle is provided with a slide switch on the side, the slide switch is provided with a pull rod in the inner cavity, the handle is pivoted with a positioning component in the inner cavity, and one side of the positioning component is formed with a and The buckle on which the tie rod is hooked has a positioning protrusion formed on the other side, a polygonal coupling hole is formed on one side of the assembly head, and a polygonal coupling hole is formed on the other side of the assembly head end to communicate with the polygonal coupling hole The blade slot; the blade module includes a blade and an assembly seat, the assembly seat is correspondingly arranged in the polygonal coupling hole, the assembly seat is formed with a groove for the positioning card to be inserted into the card, the The blade protrudes outwards through the knife-out slot, the handle is provided with a spring in the inner cavity that springs against the sliding switch, and the sliding relationship pushes against the positioning assembly, so that the positioning card is normally embedded Stuck in the notch. According to the improvement of the structure of the tile scraper according to the first item of the scope of patent application, a first chamfer is formed at one end of the assembly base, and a second chamfer corresponding to the first chamfer is formed on the convex side of the positioning card. According to the improvement of the structure of the tile scraper according to item 1 of the scope of patent application, the handle is formed with a bending section between the handle section and the assembly head end.

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