KR20200144750A - Ready-to-assemble furniture to easily assembl and make it look better - Google Patents

Abstract

Two normal panels are provided to be connected to and assembled on each other by an assembly part, and the assembly part is fixed on one panel in advance to transport the panels. Transport time and transport costs can be reduced by increasing the number of furniture items to be transported at once. The furniture can be assembled in a short period by hanging the two panels on the assembly part to assemble the panels while bringing the panels into contact with each other after transport. Specifically, a cover groove is provided to forcibly insert a portion of the assembly part into a different panel fastened and fixed in contact with the panel on which the assembly part is fixed to be prevented from being seen. The different panels can be sturdily inserted, fastened, and fixed to increase assembly force. The exposure of the assembly part to the outside is minimized to improve the overall appearance of the furniture. The head portion of a fastening means is not exposed to the outside to further improve the appearance.

Description

Assembly furniture with easy assembly and improved aesthetics{READY-TO-ASSEMBLE FURNITURE TO EASILY ASSEMBL AND MAKE IT LOOK BETTER}

The present invention relates to a prefabricated furniture that is easily assembled and has improved aesthetics, and more particularly, a large number of prefabricated furniture components can be transported at a time by fixing an assembly hole to a first panel in advance, and when assembling One side of the second panel is integrally fastened and fixed with the first panel across the assembly hole, thereby enabling quick and easy assembly. In addition, after assembling the prefabricated furniture, exposure of this assembly tool to the outside is minimized to improve the aesthetics, while making it easy and convenient to assemble and use safely.

In general, furniture is assembled by various methods, such as (Patent Document 1) to (Patent Document 3) below.

(Patent Document 1) Korean Patent Registration No. 10-1546663

It relates to an assembly structure of a furniture material using a permanent magnet, and in particular, to the assembly structure of a furniture material using a permanent magnet that can easily assemble a panel using a permanent magnet. The assembly structure of the furniture material using such a permanent magnet includes: a first panel; An arm coupling member coupled to the first panel and having an insertion groove formed at one end thereof; A second panel disposed adjacent to the first panel; And a male coupling member coupled to the second panel, inserted into the insertion groove, and coupled to the female coupling member, wherein a first magnetic body is embedded in the female coupling member, and a second magnetic body is included in the male coupling member Is built-in, and at least one of the first magnetic body or the second magnetic body is made of a permanent magnet, and when the male coupling member is inserted into the insertion groove, the first magnetic body and the second magnetic body The female coupling member and the male coupling member are characterized in that they engage with each other.

(Patent Document 2) Korean Patent Application Publication No. 10-2017-0061304

The present invention relates to a plate assembly tool for furniture, and an object thereof is to provide a plate assembly tool for furniture that can more easily and firmly assemble two plates for composing furniture. The configuration for this is a furniture plate assembly consisting of a socket installed on a first furniture plate, and a pin installed on the second furniture plate and coupled to the socket, wherein the socket is installed on the first furniture plate, A body having a first side exposed to the surface of the first furniture plate and a second side of the side of the first furniture plate exposed to a coupling side facing the second furniture plate; A pin groove formed in the body so that the upper end of the pin is inserted; And a hook formed in the body to suppress the separation of the pin inserted into the pin groove, wherein the pin groove includes a first insertion portion having a first width corresponding to a diameter of an upper end portion of the pin, and the first A second insertion portion having a second width greater than the width, and a third insertion portion having a third width smaller than the second width, wherein the first, second, and third insertion portions are in a first lateral direction in which the pin is inserted And the size of the first width increases in a direction away from the second insertion part, and the size of the third width increases in a direction away from the second insertion part. Provide assembly tools.

(Patent Document 3) Korean Patent Publication No. 10-2018-0083577

It relates to a skeleton assembly structure for furniture, comprising: a vertical frame composed of a square pipe; A connector attached to two or more of the four surfaces of the vertical frame, and the engaging ends are bent on both sides of the attachment surface so that an insertion groove is provided between the vertical frame and the vertical frame; A horizontal frame is provided with openings for the connector at the bottom of both ends, and the hook portion is bent at both ends of the connector to be inserted into the insertion groove to be hooked to the engaging end of the connector; and if the horizontal frame is inserted into the insertion groove from the top, both sides are vertical. It is characterized in that the assembly with the frame is completed. In addition, the horizontal frame is provided with an upward hook on the bottom of the connector and a hook hole is provided on the bottom of the horizontal frame, or a hook groove is formed in the lower part of the hook end of the connector, and a hook is formed under the hook part of the horizontal frame. It is characterized in that it is held firmly in the middle. In addition, it is characterized in that the fastening force between the horizontal frame and the connector is increased when the support portion having the screw fastening holes is formed at both locking ends of the connector, and screw holes are formed on both side walls of the horizontal frame and fastened with screws.

However, existing furniture has the following problems.

(1) If the furniture is transported in an assembled state, the furniture can be installed in the desired location immediately after transport, but there is a limit to the number of furniture that can be transported at one time. Therefore, when furniture needs to be installed on a large scale, such as built-in furniture of a newly constructed apartment, a long time and cost are required for transportation.

(2) Therefore, since it is configured to be assembled at a place where furniture is installed rather than a factory, for example, at home or office, it is possible to reduce transportation time and cost by increasing the number of furniture that can be transported at one time. Organizing furniture causes the following problems.

(3) Usually, two panels are connected and assembled with an assembly tool to assemble one piece of furniture, which increases assembly time.

(4) In other words, since two panels must be assembled to each assembly section, two panels must be assembled for each assembly section as two panels are assembled for one assembly section.

(5) This means that when assembling a single piece of furniture, it is necessary to assemble a piece of furniture with several, at least 10, and more than 20 assembly units, so two adjacent panels must be assembled 20 to 40 times. Therefore, it takes a long time to assemble one prefabricated furniture, and assembling efficiency decreases.

(6) On the other hand, panels that divide the interior of furniture in the form of a grid, such as bookcases or shelves, are exposed to the outside from time to time, such as opening the door of the furniture.At this time, the assembly hole for fixing the panel used for partitioning is exposed to the outside. It can damage the aesthetics of the whole furniture.

Korean Patent Registration No. 10-1546663 (Registration Date: 2015.08.18) Korean Patent Publication No. 10-2017-0061304 (Publication date: 2017.06.05) Korean Patent Publication No. 10-2018-0083577 (Publication date: 2018.07.23)

The present invention is in consideration of this point, and is generally configured to connect and assemble two panels with an assembly tool, but since the assembly tool is configured to be transported by fixing the assembly tool in advance to any one panel, an assembly type that can be transported at a time By increasing the number of furniture, it is possible to reduce transportation time and transportation cost, and assemble the furniture by attaching two panels to the assembly hole and assembling the other panels after transportation, making it easy to assemble in a short time. Its purpose is to provide prefabricated furniture with improved aesthetics.

In particular, in the present invention, a part of the assembly hole is forcibly inserted into another panel that is fastened against the panel to which the assembly hole is fixed to form a concealed groove so that it is not visible, so that the other panel is firmly inserted and fixed to increase the assembly force. There is another purpose to provide a prefabricated furniture that can be easily assembled and improved the aesthetics, as well as minimizing the exposure of the assembly hole to the outside to improve the aesthetics of the entire furniture.

In addition, the present invention is configured so that the head of the fastening means such as bolts, screws, or screws does not protrude out of the assembly when the assembly tool is fastened to the panel, so that the assembly tool and the fastening means are minimized to protrude to the outside. Another object is to provide a prefabricated furniture that is easy to assemble and has improved aesthetics, which makes it possible to further improve the aesthetics.

In the prefabricated furniture having improved aesthetics and easy assembly according to the present invention for achieving this purpose, several assembly holes 110 are formed at predetermined intervals along both edges on one side, and the assembly holes 110 have A plurality of first panels 100 to which the assembly hole 120 is pre-fastened and fixed to a predetermined position; And one side of each of the first panel 100 is installed to be in contact with the first panel 100, and the first panel 100 is fastened and fixed by straddling the assembly holes 120 previously fastened and fixed to both sides of the first panel 100. A plurality of second panels 200 formed at a position corresponding to the assembly hole 110 with a covering groove 210 formed by cutting a portion of the width and thickness at one edge of the surface in contact with the assembly hole 110; including;, the first The support portion 120 ′ is formed through at least one first fastening hole 121 so as to be fastened and fixed to the assembly hole 110 in advance, and when assembling the second panel 200, the covering groove 210 ) Is forcibly inserted into the assembly; the second support part 120" can fasten and fix the second panel 200 placed on the second support part 120" to assemble the prefabricated furniture. It is characterized in that at least one second fastening hole 122 is formed through.

In particular, the first support portion 120 ′ and the second support portion 120 ″ are characterized in that the inner angles facing each other are at right angles.

In addition, two cover grooves 210 are formed at each end of the second panel 200, and the first support portions 120 ′ are inserted into each of the cover grooves 210 and are accommodated. It is characterized in that the dog is formed protruding.

In addition, the first and second fastening holes 121 and 122 are characterized in that they are manufactured in close contact without exposing the head to the outside when assembling by fastening the assembly hole 300 with a fastening means having a head.

Finally, when assembling by fastening the assembly hole 300 with a fastening means having a head, the first fastening hole 121 ′ is formed through a cylindrical shape, and the second fastening hole 122 has a head fastened to the It is characterized in that it is stored in close contact with the hole 312 so as not to protrude outward.

The prefabricated furniture with easy assembly and improved aesthetics according to the present invention has the following effects.

(1) The two adjacent panels are separated and configured so that they can be assembled with an assembly section, but since the assembly section is mounted and fixed in advance to one of the two panels that are joined together, the other By assembling the panel over the assembly hole, it can be assembled quickly and easily, reducing assembly time.

(2) At this time, since the panel is divided into a first panel with an assembly hole fixed in advance and a panel that is fixed to the first panel with an assembly hole, the first panel and the second panel can be stacked and transported so that a large number of assembled furniture Can be transported at once.

(3) Therefore, it is possible to reduce transportation costs and assemble the assembled furniture by fastening and fixing the second panel to the assembly hole fixed to one side of the first panel among two adjacent panels when assembling the transported prefabricated furniture. , If only one panel is fastened and fixed, assembly of two adjacent panels can be completed, thereby increasing assembly efficiency.

(4) In addition, since several assembly holes are formed in advance along the length direction on one side of the first panel that fixes the assembly hole, various shelves, etc., are provided for one type of prefabricated furniture of the same size. It can be combined and assembled in various forms. Accordingly, it is possible to provide consumers with prefabricated furniture that can be conveniently used by combining them in various forms according to the needs of consumers.

(5) On the other hand, the assembly hole is configured to support and fix the second panel by being inserted into the concealed groove formed at the end of the second panel in close contact with the first panel, so that the part exposed to the outside can be minimized. . This can improve the overall aesthetics of the prefabricated furniture by preventing the assembly tool from being exposed to the outside.

[Fig. 1] is an exploded perspective view to show a connection process of a first panel and a second panel constituting the prefabricated furniture according to [Example 1] of the present invention.
[Fig. 2] is a perspective view showing the configuration of a first panel (a) and a second panel (b) according to [Embodiment 1] of the present invention.
[Fig. 3] is a diagram for showing the configuration of an assembly tool according to [Example 1] of the present invention, (a) is a front perspective view, and (b) is a rear perspective view.
[Fig. 4] is an enlarged perspective view to show a state in which the assembly tool according to [Example 1] of the present invention is fixed to the first panel in advance, (a) is before fastening and fixing the assembly tool to the first panel The state, (b) represents the state in which the assembly tool is fastened and fixed to the first panel.
[Fig. 5] is a view showing a state in which the first panel and the second panel are transported in advance with the assembly tool according to [Example 1] of the present invention, and then the second panel is fastened and fixed to the first panel by the assembly tool. (a) shows a state before the first panel is fastened to the second panel, and (b) shows a state in which the second panel is fastened and fixed to the second panel.
[Fig. 6] is a view for showing the configuration of an assembly tool according to [Embodiment 2] of the present invention, (a) is a front perspective view, and (b) is a rear perspective view.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. Prior to this, terms or words used in the specification and claims should not be construed as being limited to their usual or dictionary meanings, and the inventor should appropriately define the concept of terms in order to describe his own invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention according to the principle that it can be.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only one of the most preferred embodiments of the present invention, and do not represent all the technical spirit of the present invention, and thus various equivalents that can replace them at the time of the present application And it should be understood that there may be variations.

The prefabricated furniture that is easily assembled and improved aesthetics according to [Embodiment 1] of the present invention is a plurality of first panels 100, and one of the first panels ( It includes a plurality of second panels 200 to be assembled in close contact with 100).

In particular, since one of the assembly holes 120 used to connect and fix the second panel 200 to the first panel 100 is pre-fastened and fixed, a large number of panels constituting the prefabricated furniture are transported at once. In the end, it made it possible to easily and in bulk transport many pieces of furniture at once.

In addition, when assembling the prefabricated furniture, the first panel 100 is erected and the second panel 200 is placed on the assembly hole 120 fixed thereto, and then the assembly hole 120 and the second panel 200 are attached. Since it is integrally fastened and fixed, it is possible to assemble two panels with one fastening and fixing, thereby increasing assembly efficiency.

And since the second panel 200 constitutes a cover groove 210 to accommodate a part of the assembly hole 120 when it is placed over the assembly hole 120, the assembly hole ( 120) was able to improve the overall aesthetics of prefabricated furniture by minimizing exposure to the outside.

Hereinafter, this configuration will be described in more detail with reference to the accompanying drawings.

end. Panel 1

The first panel 100, as in [Fig. 1], [Fig. 2], [Fig. 4], and [Fig. 5], abuts the second panel 200 to be described later on one side, and is fastened and fixed. It is a panel for assembling prefabricated furniture by intersecting the first and second panels 100 and 200 of the dog.

The first panel 100 is composed of several according to the type of assembly furniture. For example, as an example of prefabricated furniture such as bookshelves, shelves, or desks, the first panel 100 is used as a wall part of these prefabricated furniture.

On the other hand, in the first panel 100, as in [Fig. 1], [Fig. 2], [Fig. 4] and [Fig. 5], several assembly holes 110 are formed at both edges of one side. . The assembly hole 110 is fastened and fixed in advance to the assembly tool 120, which will be described later, before transportation, and the second panel 200 is overlaid on the assembly hole 120 that is pre-assembled after transportation, so that the assembly of the prefabricated furniture is fastened and fixed immediately. It is intended to reduce efficiency and time.

In addition, the assembly hole 110, as shown in [FIG. 1] and [FIG. 2], is formed in the first panel 100 at a predetermined interval, preferably at the same interval, over the entire length along the length direction. desirable. This allows the assembly hole 120 to be assembled and used in the assembly hole 110 formed at an appropriate position according to the position of the second panel 200 intersectingly mounted thereon according to the usage of the first panel 100. It is to do. For example, looking at the shelf, two first panels 100 are configured to be sidewalls on both sides, and a second panel 200 to be described later is interposed between the two panels 100 to be assembled. It is possible to assemble various types of shelves having different intervals between the first panels 100 even if they have the same size according to the assembly position of the panel 200.

And the assembly hole 110, as shown in [Fig. 1] and [Fig. 2], shows an example formed in two rows on both sides of the first panel 100, but constitutes an assembly hole 120 to be described later Depending on the number of the first support portion 120 ′ to be formed, it may be composed of several pieces such as one or three. When assembling the first panel 100 and the second panel 200 into one, the width of the assembly hole 120 is increased or the number of the assembly holes 120 is increased so that it can be more firmly fixed.

On the other hand, in the assembly hole 110, as shown in [Fig. 1] to [Fig. 4], the assembly tool 120 is mounted in advance.

( Assembly hole )

Assembly tool 120, as shown in [Fig. 3] to [Fig. 5], one side is fastened and fixed in advance to the above-described assembly hole 110 so that it can be transported in a state of being mounted, and after transportation, this assembly tool ( The first panel 100 and the second panel 200 can be integrally assembled by placing one end of the second panel 200 to be described later on one side of the 120).

To this end, the assembly hole 120, as shown in [Figs. 3] to [Fig. 5], a first support portion 120' for pre-fastening and fixing to the above-described first panel 100 and a later assembly type after transportation When assembling furniture, it includes a second support portion 120 ″ for fastening and fixing the second panel 200 to be described later.

In particular, the first support portion 120 ′ and the second support portion 120 ″ have one side of the second panel 200 on the surface of the first panel 100, as shown in FIGS. 4 and 5. Since the first panel 100 and the second panel 200 are integrally fastened and fixed, the furniture is preferably formed to be bent at an angle formed by the first panel 100 and the second panel 200. Here, the furniture is usually made of two adjacent articles. Since the angle between the first panel 100 and the second panel 200 is a right angle, an example in which the first support part 120 ′ and the second support part 120 ″ form a right angle is shown. However, in some cases, if the angle between the first panel 100 and the second panel 200 is not a right angle, the angle formed by these panels is the angle between the first support portion 120 ′ and the second support portion 120 ″. Anyone skilled in the technical field to which the present invention belongs will be able to easily see that it can be configured by controlling.

In addition, at least one first fastening hole 121 is formed through one side of the first support portion 120 ′, as shown in FIGS. 3 and 4. The first fastening hole 121 is pre-fastened to the assembly hole 110 of the first panel 100 before transporting the first support portion 120 ′, so that the first panel 100 and the second panel 200 This is a hole to increase assembly efficiency when assembling prefab furniture by transporting ).

In a preferred embodiment of the present invention, the first fastening hole 121 is fixed by fastening the assembly hole 120 to the first panel 100 by inserting a fastening means such as a screw or a screw or bolt. In this case, it is preferable to configure the head of the fastening means not to protrude outside the first support portion 120'. This minimizes exposure of the first support portion 120 ′ to the outside by being forcibly fitted into the covering groove 210 to be described later.At this time, it can be easily assembled without being caught in the covering groove 210 or its surroundings. It is to make it possible.

In addition, in a preferred embodiment of the present invention, the first support portion 120' is firmly fastened to the first panel 100 by forming two, as shown in Figs. 3 to 5 It is preferable to configure the second panel 200 to be supported and fixed stably by fixing. Any person in the technical field to which the present invention belongs can easily recognize that the number of such first support parts 120 ′ can be formed by selecting enough to support and fix the panels sufficiently and stably. You will know.

Meanwhile, the second support portion 120" is formed through at least one second fastening hole 122, as shown in Figs. 3 to 5. The second fastening hole 122 is a first Fastening and fixing the second panel 200, which will be described later, to be installed in close contact with the first panel 100 by straddling the second support portion 120" while the fixture 120 fixed to the panel 100 is fixed It is a hole for.

Accordingly, the second fastening hole 122 is preferably formed through the second support portion 120" by the number of which the first panel 100 and the second panel 200 can be firmly fixed. In, the second fastening hole 122 shows an example in which two are formed side by side.

In addition, the second fastening hole 122 is configured so that the head of the fastening means does not protrude like the first fastening hole 121 described above, as shown in [Fig. 3], so that when assembling and using prefabricated furniture It is desirable to configure the 120 part to minimize exposure to the outside.

In the first panel 100 made as described above, as shown in [Fig. 1], [Fig. 2] and [Fig. 5], the second panel 200 is in close contact with each other to be integrally assembled.

I. 2nd panel

As shown in Figs. 1, 2, and 5, the second panel 200 is fastened with a fastening means with one side over the above-described second support part 120". It intersects with (100) and is installed to be integrally fixed.

At this time, in the second panel 200, as shown in FIG. 2, a covering groove 210 is formed on a surface that contacts the first panel 100. The covering groove 210 is formed by cutting a portion of the width and thickness of the second panel 200 at one edge of the second panel 200, so that the covering groove 210 is visible from one side of the second panel 200. On the other side, the cover groove 210 or the fixture 120 assembled by forcefully fitting the cover groove 210 is not visible.

In particular, in a preferred embodiment of the present invention, the cover groove 210 is, as shown in [Fig. 5], one side of the second panel 200 is an assembly hole 120, preferably a second support portion 120" ) As the cover groove 210 is forcibly fitted into the above-described first support portion 120', the second panel 200 is configured to be overlaid on the second support portion 120". desirable. This is, as the first panel 100 and the second panel 200 are assembled with the above-described assembly unit 120, a portion of the assembly unit 120 exposed to the outside is minimized to improve the aesthetics of the prefabricated furniture according to the present invention. In addition, the second panel 200 is forcibly fitted to the first support portion 120 ′ to increase the coupling force.

In the technical field to which the present invention belongs, the covering groove 210 made as described above should be formed at a position facing each other with the number of the above-described first support portions 120', as shown in [Fig. 2] and [Fig. 5]. Any practitioner will find it easy.

In the present invention made as described above, before moving the panels constituting the prefabricated furniture as shown in [Fig. 4], one of the assembly holes 120 is pre-fastened to the first panel 100 and fixed, and then the second panel 200 And, after transporting, in a place where prefabricated furniture such as an office or home will be used, the second panel 200 is placed over the second support portion 120" as shown in FIG. After the first support portion 120' is forcibly fitted, the assembly is finished by fastening with a fastening means through the second fastening hole 122 formed in the second support portion 120".

Therefore, the prefabricated furniture according to the present invention transports the first panel and the second panel, which are pre-assembled with the assembly unit, and is integrated by fastening and fixing the second panel over the assembly unit fixed to the first panel at home or office. Anyone can assemble it easily and conveniently, and it can be assembled in a short time and used conveniently. In addition, a part of the assembly tool used when assembling by connecting the first panel and the second panel is forcibly inserted into the concealing groove and is covered, so while increasing the bonding force, it minimizes the exposure of the assembly tool to the outside so that the overall aesthetics of the assembled furniture You can increase it.

The prefabricated furniture, which is easily assembled and improved aesthetics according to [Embodiment 2] of the present invention, has the same configuration as [Embodiment 1] described above, as shown in [Fig. 6], but slightly There is a difference. Accordingly, the detailed description of the same configuration as in [Example 1] is omitted here, and only the difference configuration is described.

[Example 2], as shown in [Fig. 6], when forming the first fastening hole 121' used when fastening and fixing the assembly hole 120 to the first panel 100, it penetrates in the form of a cylinder. Formed. This is because, as in [Example 1], the head of the fastening means does not protrude out of the first support portion 120 ′, but the cost is higher and the process is further increased. At this time, since the head protruding out of the first support portion 120 ′ is covered through the covering groove 210, it is possible to prevent the appearance of spoiling compared to [Example 1] even if manufactured as in [Example 2]. have.

100, 200: 1st, 2nd panel
110: assembly hole
120: assembly hole
120', 120": 1st and 2nd supporting part
121, 121': first fastening hole
122: second fastening hole
210: cover groove

Claims (5)

Several first panels 100 in which several assembly holes 110 are formed at predetermined intervals along both edges on one side, and the assembly holes 120 are pre-fastened and fixed to the assembly holes 110 at predetermined positions. ; And
One side of each of the first panels 100 is installed in contact with the first panel 100, but the first panel 100 is fastened and fixed by straddling the assembly holes 120 previously fastened and fixed to both sides of the first panel 100. Including; a plurality of second panels 200 formed at a position corresponding to the assembly hole 110 with a cover groove 210 in which a portion of the width and thickness is cut off at one edge of the abutting surface,
The assembly tool 120,
Including a first support portion 120 ′ and a second support portion 120 ″ formed in a form bent by an angle formed by the first panel 100 and the second panel 200,
The first support portion 120 ′ is formed through at least one first fastening hole 121 so as to be fastened and fixed to the assembly hole 110 in advance, and when the second panel 200 is assembled, the covering It is forcibly inserted into the groove 210 to assemble,
The second support part 120" is at least one second fastening hole 122 to fasten and fix the second panel 200 placed on the second support part 120" to assemble the prefabricated furniture. Prefabricated furniture with improved aesthetics and easy assembly, characterized in that formed through.
In claim 1,
The first support portion 120 ′ and the second support portion 120 ″,
Easy-to-assemble prefabricated furniture, characterized in that the cabinets facing each other are at right angles.
In claim 1,
Two covering grooves 210 are formed at each end of the second panel 200,
The first support portion 120 ′ is easily assembled and improved in appearance, characterized in that two protruding protrusions so as to be inserted into each of the covering grooves 210 one by one.
In any one of claims 1 to 3,
The first and second fastening holes 121 and 122,
Assembly-type furniture that is easily assembled and improved aesthetics, characterized in that the head is not exposed to the outside when assembling by fastening the assembly hole 300 with a fastening means with a head.
In any one of claims 1 to 3,
When assembling by fastening the assembly hole 300 with a fastening means with a head,
The first fastening hole 121 ′ is formed through a cylindrical shape,
The second fastening hole 122 is easily assembled and improved aesthetics, characterized in that the head is accommodated in close contact with the fastening hole 312 so as not to protrude outward.

Images