TWI694201B - Paint tool structure improvement - Google Patents

Abstract

The invention is a structure improvement of a paint tool, which comprises: a body and a blade. The system has a grip portion and a bottom plate, the grip portion is protrudingly provided on the upper surface of one end of the bottom plate, and a clamping groove with an opening facing downward is provided between the grip portion and the bottom plate. An angle of less than 90 degrees is formed between the clamping grooves, and the blade has a blade portion and a joint portion, and the joint portion 22 is inclined upward from one end of the blade portion 21 to form a angle of less than 90 degrees The included angle is used to be combined with the clamping slot.

Description

Paint tool structure improvement

The invention is a structure improvement of a paint tool, especially a structure in which an angle between the blade part and the joint part is less than 90 degrees.

It is known that the conventional paint scraper is used to level a pre-painted wall surface, and the paint scraper generally has a handle and a blade that is screwed on the handle.

However, the disadvantage of this combination method is that when the user needs to replace the blade, he needs to use an additional wrench or screwdriver to remove the screw before the blade can be disassembled and the screw is locked for a period of time or After repeated locking, it is easy to loosen, which is quite inconvenient in use.

In view of this, the inventor of the present case, with his many years of experience in relevant design practice, actively researched and improved, and after many times of physical sample preparation and testing, and then specifically improved the above-mentioned shortcomings of the conventional knowledge, finally completed the present invention.

In order to overcome the above-mentioned shortcomings, the present invention provides an improved paint tool structure, which can achieve a fast and stable combination of the body and the blade by the clamping groove and the joint.

The invention is an improvement of a paint tool structure, which includes: a body having a grip portion and a bottom plate, the grip portion is protrudingly provided on an upper surface of one end of the bottom plate, and the grip portion and the bottom plate There is a clamping slot with an opening facing down, The opening of the clamping groove has a limit body; and the bottom plate and the clamping groove form an angle of less than 90 degrees; a blade has a blade portion and a joint portion; the joint The portion extends obliquely upward from one end of the blade portion, so that the angle between the blade portion and the joint portion forms an angle of less than 90 degrees, and the angle between the blade portion and the joint portion is substantially equal to the bottom plate and the The angle between the clamping grooves; the coupling part has a plurality of positioning parts, the coupling part is used to couple the clamping grooves of the body, and the positioning part is used to catch with the limiting body, and then the knife The plate is coupled to the body; thereby, when the coupling portion is combined with the clamping groove, the blade is fixed below the bottom plate of the body, and the blade portion partially exposes the body.

The following is a detailed description with specific examples and drawings, so that the reviewing committee can have a better understanding of the technical features of the present invention.

10‧‧‧Body

11‧‧‧ Grip

12‧‧‧Bottom plate

121‧‧‧Recessed

13‧‧‧Card slot

131‧‧‧Limit body

14A‧‧‧Snap hole

14B‧‧‧Snap hole

14C‧‧‧Snap hole

20‧‧‧Blade

21‧‧‧Blade

22‧‧‧Joint

221‧‧‧Positioning Department

30‧‧‧Side cover

31A‧‧‧positioning body

31B‧‧‧Positioning body

31C‧‧‧positioning body

32‧‧‧Guide groove

θ‧‧‧ included angle

Figure 1 is a schematic diagram of the appearance of the first embodiment of the present invention

Figure 2 is an exploded schematic view of the first embodiment of the present invention

FIG. 3 is a partially enlarged schematic view of the clamping slot of the present invention

Figure 4 is a schematic diagram of the anatomical view of the body and the blade of the present invention

Figure 5 is a schematic cross-sectional view of the body of the present invention after being combined with a blade

Figure 6 is a schematic diagram of the disassembly state of the present invention

Figure 7 is an exploded schematic view of the second embodiment of the present invention

Figure 8 is an assembly diagram of the second embodiment of the present invention

Please refer to FIGS. 1 to 5, which is the first embodiment of the improved paint tool structure of the present invention, which includes: a body 10, a blade 20 and two side covers 30.

As for the body 10, it has a grip portion 11 and a bottom plate 12. The grip portion 11 is convexly provided on the upper surface of one end of the bottom plate 12, the top cross-section is an arc surface, and the top cross-section is larger than the bottom cross-section, so that the user can conveniently hold the body 10 and connect The sides of the top and bottom of the holding portion 11 are formed with grooves, which are matched with the user's fingers to make the holding portion 11 easy to hold. A clamping groove 13 with an inclined opening downward is provided between the grip portion 11 and the bottom plate 12, and a limiting body 131 is provided at the opening of the clamping groove 13, and between the bottom plate 12 and the clamping groove 13 An angle θ of less than 90 degrees is formed. In addition, in this embodiment, the body 10 has a hollow structure, thereby saving the material cost of manufacturing the body 10 while reducing the weight, and forming a plurality of fastening holes 14A, 14B, and 14C penetrating through both ends.

The blade 20 has a blade portion 21 and a coupling portion 22. The connecting portion 22 extends obliquely upward from one end of the blade portion 21, so that an angle θ smaller than 90 degrees is formed between the blade portion 21 and the connecting portion 22, and between the blade portion 21 and the connecting portion 22 The included angle θ is substantially equal to the included angle θ between the bottom plate 12 and the engaging groove 13; in design, the outer surface of the coupling portion 22 is convexly provided with a plurality of positioning portions 221, and each positioning portion 221 is formed by punching So that the positioning portion 221 protrudes from the inner surface of the coupling portion 22 to the outer surface. The coupling portion 22 is used for coupling with the clamping groove 13 of the body 10, and the positioning portion 221 is used for locking with the limiting body 131, so that the blade 20 is coupled to the body 10; please Referring to FIGS. 1 and 5, after the coupling portion 22 is coupled to the clamping groove 13, the blade 20 is fixed below the bottom plate 12 of the body 10, and the blade portion 21 partially exposes the body 10.

In the design of the body 10, a concave portion 121 may also be provided on the lower surface of the bottom plate 12; in this embodiment, the concave portion 121 is a gap formed by two inclined surfaces, and two inclined surfaces It can be symmetrically or asymmetrically recessed from both ends of the bottom plate 12; thereby, when the body 10 and the blade 20 are combined, the design of the concave portion 121 is such that the blade portion 21 is only in contact with the bottom plate 12 The two ends are in contact, and a gap is formed in the central portion without contact, which can effectively avoid the disadvantage that the upper surface of the blade portion 21 and the lower surface of the bottom plate 12 may be attracted to each other (vacuum state), which is inconvenient for disassembly.

The two side covers 30 are used to be coupled to both end faces of the body 10, wherein the system has a plurality of fastening holes 14A, 14B and 14C, and the two side covers 30 have a plurality of positioning bodies 31A, 31B and 31C, The positioning bodies 31A, 31B, and 31C can extend into the fastening holes 14A, 14B, and 14C, so that the positioning bodies 31A, 31B, and 31C are complementary to the fastening holes 14A, 14B, and 14C; or The positioning bodies 31A, 31B, and 31C can be attached to the inner circumferential surfaces of the fastening holes 14A, 14B, and 14C, so that the two side covers 30 are coupled to both end surfaces of the body 10.

In more detail, the connecting portion 22 is in the shape of a long plate, the positioning portion 221 is punched to be generally rectangular, its top end is connected to the connecting portion 22, and both sides and the bottom end are punched. Separated from the coupling portion 22, and the bottom end protrudes toward the outer surface of the coupling portion 22; that is, after the coupling portion 22 is coupled to the clamping groove 13, the positioning portion 221 can protrude through the bottom edge The design is designed to be engaged with the limiting body 131 of the clamping slot 13 so that the blade 10 is fixed on the body 10. Of course, in this embodiment, the design of the positioning portion 221 and the limiting body 131 is only one of many locking methods. In practice, it can also be fixed by different methods.

Please refer to FIG. 6, when the blade 20 needs to be replaced, only the side cover 30 at one end of the body 10 needs to be taken out, and the blade 20 is moved laterally to the body 10, the blade 20 can be It can be taken out smoothly, and then another blade 20 can be inserted into the clamping groove 13 of the body 10 through the coupling portion 22, so that the replacement of the blade 20 can be easily completed without the assistance of tools, which is convenient The advantages and effects of replacement.

Please refer to FIG. 7 and FIG. 8, which is the second embodiment of the present invention, characterized in that at least one side cover 30 is provided with a guide groove 32, the guide groove 32 is penetrated through the side cover 30 The bottom edge corresponds to the snap groove 13 of the body 10; thereby, without disassembling the side cover 30, the user can directly pass the coupling portion 22 of the blade 20 through the guide groove 32 Into the clamping groove 13, so that the body 10 and the blade 20 are combined.

In addition, it is worth mentioning that the punching design of the positioning portion 221 in the second embodiment is slightly different from that of the first embodiment; the positioning portion 221 is punched to be generally rectangular, but the top , The bottom end and one side thereof are separated from the joint part 22, and the other side is connected to the joint part 22, and one side of the separation is protruded toward the outer surface of the joint part 22 and faces the guide groove 32 Side cover; thereby, the positioning portion 221 can use one of the protruding sides to generate frictional resistance with the inner surface of the engaging groove 13 to prevent the blade 20 from moving toward the guide groove 32. When the blade 20 needs to be replaced, it is only necessary to take out the side cover 30 on the body 10 which is not provided with the guide groove 32, and move the blade 20 laterally to the body 10, the blade 20 Can be taken out smoothly.

The above is only a detailed description of the present invention through the preferred embodiment. Any simple modifications and changes made to this embodiment will not deviate from the spirit and scope of the present invention.

From the above detailed description, those who are familiar with this skill can understand that the present invention can indeed achieve the aforementioned objectives, and in fact have complied with the provisions of the Patent Law, and filed an application for an invention patent.

10‧‧‧Body

11‧‧‧ Grip

12‧‧‧Bottom plate

13‧‧‧Card slot

14A‧‧‧Snap hole

14B‧‧‧Snap hole

14C‧‧‧Snap hole

20‧‧‧Blade

21‧‧‧Blade

22‧‧‧Joint

221‧‧‧Positioning Department

30‧‧‧Side cover

31A‧‧‧positioning body

31B‧‧‧Positioning body

31C‧‧‧positioning body

Claims (8)

An improved paint tool structure includes: a body having a grip portion and a bottom plate, the grip portion is protrudingly provided on the upper surface of one end of the bottom plate, and a grip is provided between the grip portion and the bottom plate The clamping groove with the opening facing downwards, and the opening of the clamping groove has a limiting body; in addition, an angle of less than 90 degrees is formed between the bottom plate and the clamping groove, and the lower surface of the bottom plate is provided There is an inner concave portion, which is recessed inwardly from both ends of the bottom plate; a knife plate, which has a blade portion and a joint portion; the joint portion extends obliquely upward from one end of the blade portion, so that the blade portion and An angle of less than 90 degrees is formed between the coupling parts, and the angle between the blade part and the coupling part is substantially equal to the angle between the bottom plate and the clamping groove; the coupling part has a plurality of positioning parts, the coupling The part is used to couple with the clamping groove of the body, and the positioning part is used to catch with the limiting body, so that the blade is coupled to the body; thereby, when the coupling part is combined with the clamping After the groove, the blade is fixed below the bottom plate of the body, and the blade part is partially exposed to the body. The improvement of the paint tool structure as described in item 1 of the patent application scope, wherein the top section of the grip portion is an arc-shaped surface, and the two side surfaces connecting the top and bottom of the grip portion form a groove. The improvement of the paint tool structure as described in item 1 of the patent application scope, in which the present system is a hollow structure, the body is formed with a plurality of fastening holes penetrating through both ends. The structure improvement of the paint tool as described in item 1 of the patent application scope, wherein the positioning portion is formed by punching so that the positioning portion protrudes from the inner surface of the joint portion to the outer surface. The structure improvement of the paint tool as described in item 1 of the scope of the patent application includes two side covers. The side covers can be joined to both ends of the body. For example, the improvement of the paint tool structure in claim 5 of the patent scope, wherein the system has a plurality of fastening holes, the two side covers have a plurality of positioning bodies, and each positioning system is complementary to each fastening hole. For example, the improvement of the paint tool structure in item 5 of the patent application scope, in which the system has a plurality of fastening holes, the two side covers are provided with a plurality of positioning bodies, and the edge of each positioning system is attached to the inner circumferential surface of each fastening hole so that The two side covers are joined to the two ends of the body. For example, the improvement of the paint tool structure in claim 5 of the patent application, wherein at least one side cover is provided with a guide groove, and the guide groove is penetrated at the bottom edge of the side cover and corresponds to the clamping groove of the body.

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