Baseboard corner cover and baseboard corner structure

Abstract

The present invention provides a baseboard corner cover that ensures pressure between the spatula-shaped plate portion of the baseboard corner cover and the groove portion of the baseboard, thereby reliably preventing it from coming off, and a baseboard corner structure to which this cover is applied. [Solution] The first side cover portion 31 of the baseboard corner cover 1 has a back side portion 32 of the first side cover that covers the first side 16, and includes a plate-shaped upright plate portion 35 that stands in the direction perpendicular to the longitudinal direction of the groove portion 13 at an inner height equal to the thickness of the baseboard in the groove portion between the first side 16 and the groove portion 13, and a spatula-shaped spatula plate portion 36 that extends from the tip of the upright plate portion 35 and is fitted into the groove portion 13. The spatula-shaped plate portion 36 has a spatula thickness that is slightly thinner than the groove depth and is elastic, so when an external force is applied, it is fitted into the groove portion 13 in a sliding state. Since the spatula-shaped plate portion 36 is fitted between the groove portion 13 and the wall 50, a firm pressurized state is obtained in the groove portion 13.

Description

[Technical Field]

[0001] The present invention relates to a skirting board corner cover that covers both ends of a pair of intersecting skirting boards applied to an external corner of a wall, and to a skirting board corner structure to which this skirting board corner cover is applied. [Background Art]

[0002] A pair of left and right skirting boards are applied to an external corner of a wall, and a skirting board corner cover that covers the ends of these skirting boards is known (see, for example, Patent Document 1).

[0003] The skirting board corner cover disclosed in Patent Document 1 has good installability and usability, and has been widely adopted by the applicant to this day. However, under irregular usage conditions among various long-term usage conditions, some problems may occasionally arise. [Prior Art Documents] [Patent Documents]

[0004] [Patent Document 1] Japanese Unexamined Patent Application Publication No. 2016-160744 [Summary of the Invention] [Problems to be Solved by the Invention]

[0005] Conventional skirting board corner covers have a problem that usability tends to change with respect to temporal reliability and stability in long-term use environments. The present invention has been made in view of such circumstances, and aims to further improve the fixability and binding performance to skirting boards required for a skirting board corner cover. An object of the present invention is to provide a skirting board corner cover that can ensure pressure between the groove portion, which is provided in the skirting board and into which the spatula-shaped plate portion of the skirting board corner cover is inserted, and the spatula-shaped plate portion, thereby easily and reliably preventing the skirting board corner cover from coming off. Furthermore, another objective of the present invention is to provide a baseboard corner structure to which the baseboard corner cover according to the present invention is applied, which directly realizes the function of the baseboard corner cover. [Means for solving the problem]

[0006] The baseboard corner cover according to the present invention integrally covers a first end of a first baseboard having a groove in the longitudinal direction of the fixed back surface fixed to one of the external corners of a wall, and a second end of a second baseboard fixed to the other of the external corners, comprising: a top surface cover portion that covers the first top surface of the first baseboard and the second top surface of the second baseboard in an L-shape; a first side surface cover portion that covers the first side surface of the first baseboard below the top surface cover portion; and a second side surface cover portion that covers the second side surface of the second baseboard below the top surface cover portion, wherein the first side surface cover portion has an inner height equal to the baseboard thickness of the groove between the first side surface and the groove, in the longitudinal direction of the groove The device comprises a plate-shaped upright plate portion standing in the vertical plane direction, and a spatula-shaped plate portion extending from the tip of the upright plate portion and fitted into the groove, wherein the spatula-shaped plate portion comprises a flat main spatula portion extending from the upright plate portion to the edge of the back of the first side cover, and a displacement spatula portion displaced toward the wall at the tip of the main spatula portion, and has elasticity to be inserted into the groove in a sliding state with a spatula thickness slightly thinner than the groove depth of the groove, and in a released state where no external force is applied, the main spatula portion has an inclination height at the tip of the inclined end that is greater than the groove depth toward the back of the first side cover from the tip of the upright plate portion, and the displacement surface of the displacement spatula portion toward the wall is substantially parallel to the back of the first side cover. Therefore, in the baseboard corner cover according to the present invention, the spatula-shaped plate portion applies pressure to the groove (bottom surface) between the groove and the wall in a double manner: pressure from the inclined end of the main spatula portion and pressure due to the warping of the displaced spatula portion. As a result, the baseboard corner cover is more reliably prevented from coming off.

[0007] Furthermore, in a baseboard corner cover according to one embodiment of the present invention, the vertical plate portion is trapezoidal in shape, with the upper bottom being the area from the upper end to the lower end of the spatula-shaped plate portion, and the lower bottom being the raised position on the back of the first side cover, the upper leg on the upper end side of the plate being positioned vertically down to the lower bottom, and the lower leg on the lower end side of the plate being positioned wider on the lower bottom side than the upper bottom. Furthermore, in a baseboard corner cover according to one embodiment of the present invention, the main spatula portion is characterized in that it has a main spatula length that is approximately 20-30% longer than the parallel length of the parallel first side cover back portion. Furthermore, in a baseboard corner cover according to one embodiment of the present invention, the displacement spatula portion is characterized in that it has a displacement spatula length that is approximately 30-40% of the length of the main spatula. Furthermore, in one embodiment of the present invention, the baseboard corner cover is characterized in that the opposite side of the displacement surface is provided with a chamfered portion at its tip that is approximately half the length of the surface. Furthermore, in a baseboard corner cover according to one embodiment of the present invention, the spatula length, which is the length of the spatula-shaped plate portion, is approximately 1.6 to 1.8 times the parallel length. Furthermore, in a baseboard corner cover according to one embodiment of the present invention, the groove depth is greater than the spatula thickness and less than approximately 1.5 times. Furthermore, in a baseboard corner cover according to one embodiment of the present invention, the spatula-shaped plate portion is made of ABS resin or polylactic acid.

[0008] Furthermore, the baseboard corner structure according to the present invention is a baseboard corner structure in the form of an out-corner, comprising: a first end of a first baseboard fixed to one side of an out-corner of a wall and having a groove in the longitudinal direction of the fixed back surface; a second end of a second baseboard fixed to the other side of the out-corner; and a baseboard corner cover that integrally covers the first end and the second end, wherein the baseboard corner cover is the baseboard corner cover described in the present invention. Therefore, in the baseboard corner structure according to one embodiment of the present invention, the baseboard corner cover according to the present invention is applied as is, and the effects and advantages of the baseboard corner cover are achieved as is. [Effects of the Invention]

[0009] In the baseboard corner cover according to the present invention, the spatula-shaped plate portion applies pressure to the groove (bottom surface) between the groove and the wall in a double manner: pressure from the inclined end of the main spatula portion and pressure due to the curvature of the displaced spatula portion. Therefore, the baseboard corner cover effectively prevents it from coming off. Furthermore, since the baseboard corner structure according to the present invention is directly to which the baseboard corner cover according to the present invention is applied, the effects and benefits of the baseboard corner cover are directly achieved. [Brief explanation of the drawing]

[0010] [Figure 1] This is an exploded perspective view illustrating the arrangement of a baseboard corner cover that integrally covers the ends of the baseboards on both sides at the outside corner of a wall. The perspective view shows the back of the baseboard corner cover, followed by a perspective view showing the state just before the baseboard corner cover is assembled toward the baseboard at the outside corner. [Figure 2] Figure 1 is a perspective view showing the completed baseboard corner structure, with the baseboard corner cover attached to the outside corner, as seen from diagonally above. [Figure 3] This is a front view showing the correlation between the spatula-shaped plate portion and the vertical plate portion, viewed from the front in the longitudinal direction of the spatula-shaped plate portion on the back of the first side cover of the baseboard corner cover. [Figure 4] This is a front view showing the correlation between the spatula-shaped plate portion and the vertical plate portion, viewed from the front in the direction of the vertical plate portion on the back side of the second side cover portion of the baseboard corner cover. [Figure 5] This is a schematic end view of the mounting of a baseboard corner cover, showing the arrangement of the spatula-shaped plate portion when the baseboard corner cover is attached to the groove of the first baseboard, at the end face at the position indicated by arrow SF5 in Figure 3. [Figure 6]Figure 5 shows a schematic end view of the mounting of the baseboard corner cover, illustrating the mounting state of the baseboard corner cover when the first and second baseboards intersect without gaps at an external corner. [Figure 7] Figure 5 shows a schematic end view of the mounting of the baseboard corner cover, illustrating the mounting state of the baseboard corner cover when the first and second baseboards are set back from each other and intersect at an outside corner according to the thickness of the baseboards. [Figure 8] This is an enlarged end view showing the detailed end shape of the spatula-shaped plate portion of the baseboard corner cover, compared to Figure 5. [Modes for carrying out the invention]

[0011] Embodiments of the present invention will be described below with reference to the drawings (Figures 1 to 8). Figure 1 is an exploded perspective view illustrating the arrangement of the baseboard corner cover 1 over time, which integrally covers the ends (first end 11 and second end 21) of the left and right baseboards (first baseboard 10 and second baseboard 20) located at the outer corner 52 of the wall 50. The perspective view shows the back surface of the baseboard corner cover 1, followed by a perspective view showing the state just before the baseboard corner cover 1 is assembled toward the baseboard at the outer corner 52. Figure 2 is a perspective view of the completed baseboard corner structure 101, which is attached to the outer corner 52 as shown in Figure 1, as seen from diagonally above. Figure 3 is a front view of the back of the first side cover 32 of the baseboard corner cover 1, showing the correlation between the spatula-shaped plate portion 36 and the vertical plate portion 35, viewed from the front in the longitudinal direction of the spatula-shaped plate portion 36. Figure 4 is a front view showing the correlation between the spatula-shaped plate portion 36 and the vertical plate portion 35, viewed from the front in the direction of the vertical plate portion 35 on the back side of the second side cover portion 33 of the baseboard corner cover 1. Figure 5 is a schematic end view of the mounting of the baseboard corner cover 1, showing the arrangement of the spatula-shaped plate portion 36 when the baseboard corner cover 1 is attached to the groove portion 13 of the first baseboard 10, at the end face at the position indicated by arrow SF5 in Figure 3. Fig. 6 is a schematic end view of installation of a skirting board corner cover, which schematically shows the installation state of the skirting board corner cover 1 when a first skirting board 10 and a second skirting board 20 are arranged to intersect without gaps at an external corner 52 in the installation schematic according to Fig. 5. Fig. 7 is a schematic end view of installation of a skirting board corner cover, which schematically shows the installation state of the skirting board corner cover when the first skirting board and the second skirting board are mutually retracted according to the thickness of the skirting boards and arranged to intersect at the external corner in the installation schematic according to Fig. 5. Fig. 8 is an enlarged end view showing the detailed end shape of a spatula-shaped plate portion of the skirting board corner cover in an enlarged manner in comparison with Fig. 5.

[0012] The skirting board corner cover 1 integrally covers a first end 11 of the first skirting board 10 which has a groove 13 in the length direction of a fixed back surface 12 fixed to one side of an external corner 52 of a wall 50, and a second end 21 of the second skirting board 20 fixed to the other side of the external corner 52. The skirting board corner cover 1 includes: a top surface cover portion 30 that covers a first top surface 15 of the first skirting board 10 and a second top surface 25 of the second skirting board 20 in an L-shape; a first side surface cover portion 31 that covers a first side surface 16 of the first skirting board 10 below the top surface cover portion 30; and a second side surface cover portion 33 that covers a second side surface 26 of the second skirting board 20 below the top surface cover portion 30. The first side surface cover portion 31 is provided, on a back first side surface cover back portion 32 covering the first side surface 16, with: a plate-shaped standing plate portion 35 standing in a direction perpendicular to the length direction of the groove 13 at an inner height H35 equal to the groove skirting board thickness T13 between the first side surface 16 and the groove 13; and a spatula-shaped spatula plate portion 36 extending from the tip of the standing plate portion 35 and fitted into the groove 13 (Fig. 5). In Fig. 1, the back surface of the skirting board corner cover 1 is shown, and the skirting board corner cover 1 is inverted so that the arrow mark MA1 indicates the front surface; in the inverted skirting board corner cover 1, as indicated by the arrow mark MA2, the spatula-shaped plate portion 36 is inserted into the groove 13 of the first skirting board 10.

[0013] The completed product after the process shown in Fig. 1 is shown in Fig. 2. That is, the skirting board corner cover 1 integrally covers respective ends (the first end 11 and the second end 21) of the pair of skirting boards (the first skirting board 10 and the second skirting board 20). The baseboard corner structure 101 comprises a first end 11 of a first baseboard 10 having a groove 13 along the length of a fixed back surface 12 fixed to one side of the outer corner 52 of the wall 50, a second end 21 of a second baseboard 20 fixed to the other side of the outer corner 52, and a baseboard corner cover 1 that integrally covers the first end 11 and the second end 21. The baseboard corner cover 1 provided by the baseboard corner structure 101 in an external corner configuration makes it easier to prevent the baseboard from coming off the baseboard (first baseboard 10, second baseboard 20) provided by the baseboard corner structure 101, thereby improving the safety and reliability of the baseboard corner structure 101.

[0014] In the baseboard corner cover 1 (Figure 5), the spatula-shaped plate portion 36 comprises a flat main spatula portion 37 that extends from the vertical plate portion 35 to the end of the back portion 32 of the first side cover, and a displaced spatula portion 38 that is displaced toward the wall 50 at the tip of the main spatula portion 37. The spatula thickness T36 (Figure 8) is slightly thinner than the groove depth D13 of the groove portion 13, and it has elasticity to be inserted into the groove portion 13 in a sliding state (in the direction of arrow MA3). In the released state where no external force is applied, the main spatula portion 37 has an inclined height H37 at its tip end 37t that is greater than the groove depth D13 from the tip of the vertical plate portion 35 toward the back of the first side cover 32, and the displacement spatula portion 38 has a displacement surface 39 on the wall 50 side that is approximately parallel to the back of the first side cover 32.

[0015] The baseboard corner cover 1 (Figure 5) is equipped with a vertical plate portion 35 having an inner height H35 that is approximately the same as the baseboard thickness T10 of the first baseboard 10 minus the groove depth D13 (approximately the grooved baseboard thickness T13), and the groove portion 13 and the vertical plate portion 35 are pre-positioned relative to each other. Therefore, the spatula-shaped plate portion 36 extending from the vertical plate portion 35 is positioned and fitted into the groove portion 13 with high precision. Furthermore, since the spatula-shaped plate portion 36 has a length that protrudes outward from the back portion 32 (first side cover portion 31) of the first side cover, it is securely inserted into the groove portion 13 exposed at the first end portion 11 of the first baseboard 10. For this reason, the baseboard corner cover 1 can easily cover the ends of each baseboard without separating from the first baseboard 10 and the second baseboard 20. The spatula-shaped plate portion 36 has an elastic spatula thickness T36 (Figure 8) that is slightly thinner than the groove depth D13, so when an external force is applied, it slides into place and is inserted into the groove portion 13. In other words, the spatula-shaped plate portion 36 is fitted between the groove portion 13 and the wall 50 (Figures 5 to 7), so a firm pressure is obtained in the groove portion 13. As a result, the baseboard corner cover 1, with its top cover portion 30, first side cover portion 31, and second side cover portion 33, covers the first end portion 11 of the first baseboard 10 and the second end portion 21 of the second baseboard 20 at the outer corner 52.

[0016] The correlation between the groove portion 13 of the first baseboard 10 and the spatula thickness T36 of the spatula-shaped plate portion 36 is as follows. The groove depth D13 is preferably greater than the spatula thickness T36 and less than approximately 1.5 times. The smaller the difference between the groove depth D13 and the spatula thickness T36, the greater the reliability of the fixation. However, if the dimensions are exactly the same, the spatula-shaped plate portion 36 will not be inserted into the groove portion 13. Therefore, the groove depth D13 should be larger than the spatula thickness T36, and up to about 50% of that size is acceptable. If the groove depth D13 is twice the spatula thickness T36 (for example, more than 1.5 times), the friction between them will decrease, and the fixation will likely weaken. Also, if it is 1.1 times, insertion will likely be difficult. Considering these circumstances, it is preferable to set the groove depth to around 1.2 to 1.5 times. The spatula-shaped plate portion 36 inserted into the groove 13 fits smoothly into the groove 13 when the groove depth D13 is slightly deeper than the spatula thickness T36, and the springiness of the spatula-shaped plate portion 36 acts on the groove 13, improving the fixing stability through friction between them. The spatula thickness T36 is, for example, approximately 1 mm, in which case the groove depth D13 is allowed to be approximately 1 to 1.5 mm. As a result, the spatula-shaped plate portion 36 inserted into the groove portion 13 is positioned between the bottom surface of the groove portion 13 and the wall 50 on the opposite side, generating frictional force between the bottom surface of the groove portion 13 and the wall 50, making it easier to ensure strong fixation. Consequently, the baseboard corner cover 1 can easily form a baseboard corner structure 101 with a pair of baseboards in an external corner configuration.

[0017] Furthermore, the main spatula portion 37 has an inclined height H37 greater than the groove depth D13 at its inclined end 37t when no external force is applied (Figure 8). As a result, the inclined end 37t of the main spatula portion 37 is strongly pressed against the inserted groove portion 13 via elasticity, making it easier to ensure a stable pressing state against the groove portion 13 (bottom surface). Moreover, the displacement spatula portion 38 bends in the opposite direction to the main spatula portion 37, generating a spring action, so it is pressed more strongly against the groove portion 13, making it easier to ensure an even stronger elastic action. In other words, when the spatula-shaped plate portion 36 is inserted into the groove portion 13, in addition to the pressing state (pressure state) of the main spatula portion 37 against the groove portion 13 due to the inclination height H37 of the inclined end portion 37t, the warping state of the displaced spatula portion 38 from the tip (inclined end portion 37t) of the main spatula portion 37 acts as a further weighted force as a repulsive force due to the warping state. Therefore, the spatula-shaped plate portion 36 applies pressure to the groove portion 13 (bottom surface) between the groove portion 13 and the wall 50 in a double manner: pressure from the inclined end 37t of the main spatula portion 37 and pressure due to the warping of the displaced spatula portion 38. As a result, the baseboard corner cover 1 is more reliably prevented from coming off. Furthermore, the displacement spatula portion 38 (Figures 5 and 8) has a flat displacement surface 39 on its back side. The opposite side of the displacement surface 39 has a chamfered portion 38m at its tip, which is approximately half the length of the tip. The displacement spatula portion 38 has a chamfered portion 38m, approximately half the length of the displacement surface 39, on the back side facing the groove portion 13. This makes insertion into the groove portion 13 easier and more reliable while maintaining the curvature. For example, the length of the displacement spatula portion 38 is approximately 5 mm, and the length of the chamfered portion 38m is approximately 3 mm. Note that the shape, dimensions, and function of the second baseboard 20 are the same as those of the first baseboard 10, so a detailed explanation will be omitted.

[0018] The interrelationships of the groove portion 13, the vertical plate portion 35, and the spatula-shaped plate portion 36 will be explained further. The groove 13 is located horizontally along the length of the first toeboard 10. The width of the groove 13 is in the height direction of the first toeboard 10, and the depth of the groove 13 is in the thickness direction of the first toeboard 10. It also has a shape and dimensions in which the width is larger than the depth. The spatula-shaped plate portion 36 has a main spatula portion 37 and a displacement spatula portion 38 located at its tip in the longitudinal direction. The width of the spatula-shaped plate portion 36 is smaller than the width (vertical direction) of the groove portion 13, and it is easily inserted into the groove portion 13. The spatula thickness T36 (Figure 8), which is the thickness of the spatula-shaped plate portion 36, is slightly thinner than the groove depth D13 of the groove portion 13. The spatula-shaped plate portion 36 is inserted into the groove portion 13 in the horizontal direction with its width direction perpendicular. Therefore, the spatula-shaped plate portion 36 is inserted into the groove portion 13 in a sliding state utilizing its elasticity. The vertical plate portion 35 rises from the back of the first side cover 32 and supports the spatula-shaped plate portion 36 at its tip. In other words, the vertical plate portion 35 and the spatula-shaped plate portion 36 form an L shape (Figure 5). The vertical plate portion 35 has an inner height H35 between the back of the first side cover 32 and the spatula-shaped plate portion 36, which is equivalent to the thickness T13 of the groove baseboard. This ensures alignment between the spatula-shaped plate portion 36, which is inserted into the groove 13, and the groove 13 that holds it. The vertical plate portion 35 (Figure 4) is trapezoidal, with the side of the spatula-shaped plate portion 36 being the upper base 35t and the side of the back of the first side cover 32 being the lower base 35b, and is positioned perpendicular to the longitudinal direction of the groove portion 13 (Figure 5). In the vertical plate portion 35, the tip (upper base 35t) overlaps with the width of the spatula-shaped plate portion 36 (from the upper end 36t to the lower end 36b), and the base of the rising back of the first side cover 32 is wider than the width of the spatula-shaped plate portion 36 (lower base 35b) (Figure 4). For this reason, the vertical plate portion 35 can easily improve the support strength of the spatula-shaped plate portion 36.

[0019] In the baseboard corner cover 1 (Figures 3 and 4), the vertical plate portion 35 has a trapezoidal shape, with the upper base 35t extending from the upper end 36t of the spatula-shaped plate portion 36 to the lower end 36b, and the raised position on the back of the first side cover 32 being the lower base 35b. The upper leg 35p on the side of the upper end 36t extends vertically down to the lower base 35b, and the lower leg 35q on the side of the lower end 36b is wider on the side of the lower base 35b than the upper base 35t. The vertical plate section 35 supports the horizontally positioned spatula-shaped plate section 36 with a trapezoidal shape positioned vertically, and the lower base 35b of the trapezoidal shape is wider below the lower end 36b of the spatula-shaped plate section 36. As a result, the vertical plate section 35 increases the integral strength with the back of the first side cover 32, making it easier to increase the holding strength of the spatula-shaped plate section 36.

[0020] Figures 6 and 7 show the specific mounting state of the baseboard corner cover 1 to the first baseboard 10 and the second baseboard 20. In Figure 6, both the first baseboard 10 and the second baseboard 20 are precisely positioned relative to the outer corner 52, ensuring that the baseboard corner cover 1 is properly installed. In contrast, in Figure 7, the positioning of the first baseboard 10 and the second baseboard 20 is loose, and they are installed set back from the outer corner 52 by a thickness equivalent to, for example, the baseboard thickness T10. Even in such a case, the spatula-shaped plate portion 36 is equipped with a displacement spatula portion 38 in addition to the main spatula portion 37. Therefore, the first side cover portion 31 is provided with a spatula-shaped plate portion 36 and a displacement spatula portion 38 of sufficient length on the outside, and the inclined end portion 37t acts on the groove portion 13 of the first baseboard 10, making it easy to securely fix the baseboard corner cover 1. As shown in Figures 6 and 7, the inclined end portion 37t is firmly pressed against the groove portion 13 based on the inclination due to the inclination height H37 (Figure 8). Furthermore, the groove portion 13 is fixed on its own based on the position of the first baseboard 10 which is firmly installed on the wall 50. Therefore, the inclined end portion 37t is firmly pressed against the groove portion 13. As a result, the spatula-shaped plate portion 36 is less likely to easily come loose from the groove portion 13.

[0021] Next, the configuration of the length dimensions and function of the baseboard corner cover 1 will be described. Figure 8 is an enlarged end view showing the detailed end shape of the spatula-shaped plate portion 36 in the baseboard corner cover 1, compared to Figure 5. The baseboard corner cover 1 comprises a first side cover portion 31 and a second side cover portion 33 that are perpendicular to each other. The back side of the first side cover portion 31 becomes the first side cover back portion 32, and a vertical plate portion 35 stands upright there. The vertical plate portion 35 has an inner height H35 which is equal to the groove baseboard thickness T13. The inner height H35 should be such that it can accommodate the groove baseboard thickness T13 without any gaps.

[0022] In the baseboard corner cover 1, it is preferable that the main spatula portion 37 has a main spatula length L37 that is approximately 20-30% longer than the parallel length L32 of the parallel first side cover back portion 32. The main spatula length L37 of the main spatula section 37 is approximately 20-30% longer than the parallel length L32 of the back of the first side cover 32 from the vertical plate section 35 to the end. This makes it easier to insert accurately into the groove section 13, ensuring a secure fit and maintaining strength after fitting. Furthermore, it is easier to avoid a state where it is unnecessarily long, thus obtaining a length that is stable. Let's look at some specific dimensions. When the parallel length L32 = 11.3 mm, 1.2 times (20% increase) the parallel length L32 = 11.3 mm is 13.6 mm, and 1.3 times (30% increase) is 14.7 mm. Taking the median, it is approximately 14.15 mm, and the main spatula length L37 can be set to, for example, 14.2 mm. With a parallel length L32 = 11.3 mm, the main spatula length L37 = 14.2 mm is 2.9 mm longer. In other words, it only needs to be about 3 mm longer, which makes it easier to ensure the function of the main spatula part 37. Setting the tolerance range to approximately 20-30% makes it easier to ensure the stability of the function against deviations of either increase or decrease.

[0023] The displacement spatula section 38 is preferably provided with a displacement spatula length L38 that is approximately 30-40% of the length of the main spatula length L37. The displacement spatula portion 38 has a displacement spatula length L38 that is approximately 30-40% of the length of the main spatula portion 37, thereby ensuring that it does not affect the action of the main spatula portion 37, making it easy to align with the groove portion 13, allowing the spatula-shaped plate portion 36 to be easily fitted into the groove portion 13 with good sliding properties, and also making it easier to ensure holding strength after fitting, thus making it easier to prevent the spatula-shaped plate portion 36 from coming loose. The main spatula length L37 of the main spatula section 37 is 14.2 mm. At this time, 30% is 4.26 mm, 40% is 5.68 mm, and the median is 4.97 mm, which is approximately 5 mm. From this, the displacement spatula length L38 is set to 5 mm. A convenient value of 5 mm can be set. Also, the upper and lower range is approximately 4 mm to approximately 6 mm, so it is easy to adjust the displacement spatula length L38 to an appropriate length.

[0024] In the baseboard corner cover 1, the spatula length L36, which is the length of the spatula-shaped plate portion 36 relative to the parallel length L32, is preferably approximately 1.6 to 1.8 times. By making the spatula-shaped length L36 greater than 1.6 times the parallel length L32 (more than 1.5 times), the action of the main spatula part 37 and the displacement spatula part 38 is ensured, while making it less than 2 times (1.8 times) makes it easier to avoid the spatula-shaped plate part 36 becoming too long overall. When the parallel length L32 is 11.3 mm, 1.6 times is 18.08 mm, 1.8 times is 20.34 mm, and taking the average, 1.7 times is 19.21 mm, so approximately 19.2 mm can be found.

[0025] In the baseboard corner cover 1, the spatula-shaped plate portion 36 is preferably made of ABS resin or polylactic acid. From the viewpoint of strength, elasticity, and reliability, ABS (acrylonitrile butadiene styrene) resin or polylactic acid is easily applicable to the special shapes and dimensions of the spatula-shaped plate portion 36 and the vertical plate portion 35. [Industrial applicability]

[0026] The present invention relates to a baseboard corner cover that integrally covers both ends of a pair of baseboards applied to an external corner of a wall, and can therefore be effectively used as a baseboard cover at external corners. Furthermore, a baseboard corner structure to which such a baseboard corner cover is applied can be effectively used inside a house. [Explanation of Symbols]

[0027] 1. Baseboard corner cover 101 Baseboard corner structure 10. First baseboard 11 First end 12 Fixed back side 13 Groove 15 1st top surface 16 First aspect 20. Second baseboard 21 Second end 25 2nd top surface 26 Second aspect 30 Top surface cover 31 First side cover section 32. Back of the first side cover 33 Second side cover section 35 Vertical board section 35t upper bottom 35b bottom bottom 35p upper leg 35q lower leg 36 Spatula-shaped plate section 36t board top end 36b Bottom end of plate 37 Main Spatula Section 37t sloped end 38 Displacement spatula section 38m chamfered section 39 Displacement surface 50 walls 52 Corner D13 Groove depth H35 (inner height) H37 Slope Height L32 Parallel head L36 Spatula-shaped length L37 Main spatula length L38 Displacement spatula length T10 baseboard thickness T13 Groove baseboard thickness T36 Spatula thickness MA1 arrow symbol MA2 arrow sign MA3 arrow sign

Claims

1. A baseboard corner cover that integrally covers the first end of a first baseboard, which has a groove in the longitudinal direction of the fixed back surface and is fixed to one of the external corners of a wall, and the second end of a second baseboard, which is fixed to the other of the external corners, It comprises a top surface cover portion that covers the first top surface of the first baseboard and the second top surface of the second baseboard in an L-shape, a first side surface cover portion that covers the first side surface of the first baseboard below the top surface cover portion, and a second side surface cover portion that covers the second side surface of the second baseboard below the top surface cover portion, The first side cover portion includes, on the back side of the first side cover that covers the first side, a plate-shaped upright plate portion that stands in the direction perpendicular to the longitudinal direction of the groove, with an inner height equal to the thickness of the groove baseboard between the first side and the groove portion, and a spatula-shaped plate portion that extends from the tip of the upright plate portion and is fitted into the groove portion. The spatula-shaped plate portion comprises a flat main spatula portion extending from the vertical plate portion to the edge of the back of the first side cover, and a displaced spatula portion that is displaced toward the wall at the tip of the main spatula portion, and has elasticity that allows it to be inserted into the groove in a sliding state with a spatula thickness that is slightly thinner than the groove depth of the groove portion. In the released state where no external force is applied, the main spatula portion has an inclined end at its tip that is greater than the groove depth from the tip of the vertical plate portion toward the back of the first side cover, and the displacement spatula portion has a displacement surface on the wall side that is substantially parallel to the back of the first side cover. A baseboard corner cover characterized by the following features.

2. A baseboard corner cover according to claim 1, The vertical plate portion has a trapezoidal shape, with the upper base extending from the upper end to the lower end of the spatula-shaped plate portion, and the lower base being the raised position on the back of the first side cover. The upper leg on the upper end side of the plate extends vertically down to the lower base, and the lower leg on the lower end side of the plate is wider on the lower base side than the upper base. A baseboard corner cover characterized by the following features.

3. A baseboard corner cover according to claim 1 or claim 2, The main spatula portion has a main spatula length that is approximately 20-30% longer than the parallel length of the parallel first side cover back portion. A baseboard corner cover characterized by the following features.

4. A baseboard corner cover according to claim 3, The displacement spatula portion has a displacement spatula length that is approximately 30-40% of the length of the main spatula. A baseboard corner cover characterized by the following features.

5. A baseboard corner cover according to claim 4, The opposite side of the displacement surface is provided with a chamfered portion at its tip that is approximately half the length of the surface. A baseboard corner cover characterized by the following features.

6. A baseboard corner cover according to claim 3, The spatula length, which is the length of the spatula-shaped plate portion relative to the parallel length, is approximately 1.6 to 1.8 times. A baseboard corner cover characterized by the following features.

7. A baseboard corner cover according to claim 1, The groove depth is greater than the spatula thickness and less than approximately 1.5 times the spatula thickness. A baseboard corner cover characterized by the following features.

8. A baseboard corner cover according to claim 7, The spatula-shaped plate portion is made of ABS resin or polylactic acid. A baseboard corner cover characterized by the following features.

9. A corner baseboard structure in the form of an outside corner, comprising: a first end of a first baseboard fixed to one corner of a wall and having a groove in the longitudinal direction of the fixed back surface; a second end of a second baseboard fixed to the other corner of the outside corner; and a baseboard corner cover that integrally covers the first end and the second end, A baseboard corner structure characterized in that the baseboard corner cover is the baseboard corner cover described in claim 1.

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