CN219992849U

CN219992849U - Edge sealing and edge milling slotting aluminum honeycomb plate suspended ceiling module

Info

Publication number: CN219992849U
Application number: CN202321515770.0U
Authority: CN
Inventors: 李甫前
Original assignee: Foshan Chalco Technology Co ltd
Current assignee: Foshan Chalco Technology Co ltd
Priority date: 2023-02-20
Filing date: 2023-06-14
Publication date: 2023-11-10
Anticipated expiration: 2033-06-14

Abstract

The utility model discloses an edge-sealing edge-milling slotting aluminum honeycomb plate ceiling module, which comprises an aluminum honeycomb plate, wherein an edge-sealing adhesive tape is fixed on the side part of the aluminum honeycomb plate and is provided with a clamping groove, the clamping groove separates the edge-sealing adhesive tape into an upper edge-sealing adhesive tape and a lower edge-sealing adhesive tape, and the side surface of the edge-sealing adhesive tape is subjected to milling and then is separated at the clamping groove to form a step position; the profile comprises a guide plate and a lower plugboard which are parallel to each other, wherein the guide plate is connected with the lower plugboard through a vertical plate, the end part of the guide plate outwards extends out of an upper sloping plate, the vertical plate equally divides the lower plugboard, two ends of the lower plugboard are respectively inserted into clamping grooves of two adjacent aluminum honeycomb plates, and the side surfaces of lower edge-wrapping adhesive tapes of the two aluminum honeycomb plates are mutually attached. The aluminum honeycomb panel of the device is spliced with the lower inserting plate of the section bar through milling the surface of the edge-wrapping adhesive tape and forming a step position, so that the lower edge-wrapping adhesive tapes of the two aluminum honeycomb panels can be completely attached together, and a good appearance effect can be achieved.

Description

Edge sealing and edge milling slotting aluminum honeycomb plate suspended ceiling module

Technical Field

The utility model relates to the technical field of aluminum honeycomb panel splicing application improvement design, in particular to an edge sealing, edge milling and slotting aluminum honeycomb panel ceiling module.

Background

Suspended ceilings, which are generally referred to as top decorations of the living environment of a house, simply referred to as ceiling decorations, are one of the important parts of interior decorations. The suspended ceiling occupies a quite important position in the whole house decoration, and the ceiling is properly decorated on the top surface of the house, so that not only can the indoor environment be beautified and colorful indoor space artistic images be created, but also the suspended ceiling has the functions of heat preservation, heat insulation, sound insulation and sound absorption, and is also a concealed layer of electric, air-conditioning, communication and alarm pipeline equipment.

The mounting mode of ordinary furred ceiling is through directly cutting the buckle all around the back, put into the fossil fragments decoration section bar that has buckle bearing structure that has fixed in advance, in this kind of mounting mode, the buckle only is placed on fossil fragments decoration, and does not have the structure of any fixed buckle for the buckle takes place the problem that shifts or drop easily when receiving external force. The aluminum suspended ceiling and the aluminum honeycomb panel suspended ceiling are mostly supported by fixing clamping devices on the sides of the periphery of the panel and clamped on iron triangular keels from bottom to top, the installation structure is complex, the flatness firmness is general, and the installation procedures of non-standard size are more.

In the prior art, the patent with the bulletin number of CN218116920U discloses an aluminum honeycomb panel suspended ceiling with grooved side surface installation, which comprises a keel section bar, wherein the keel section bar comprises a hanging table, a supporting framework is connected below the hanging table, a lower framework is arranged on the supporting framework, and a clamping protrusion is outwards extended from the lower framework; the side part of the aluminum honeycomb plate is provided with a wrapping edge and a clamping groove, and the lower framework is inserted into the clamping groove and limited by the clamping protrusion; the supporting hanging piece comprises a hanging rod and a hanging plate positioned at the lower part of the hanging rod, the top of the hanging rod is connected with a roof, and a bayonet capable of clamping a hanging table is arranged at the lower part of the hanging plate. The draw-in groove has been seted up to aluminium honeycomb panel four sides of this device, and lower skeleton card is in the draw-in groove and through the protruding spacing of screens, plays the fixed effect of clamp plate to aluminium honeycomb panel through last skeleton, whole suspended ceiling stable in structure, simple to operate.

In the technical scheme, the early design thought of the applicant focuses on improvement on side slotting of aluminum honeycomb plates and assembly clamping of ceiling joist profiles, the space between adjacent spliced aluminum honeycomb plates is not required, and along with the requirement of customers on appearance, namely seamless splicing between the adjacent aluminum honeycomb plates, the scheme cannot meet the requirements of side flatness and close splicing in the aspect of splicing.

For this purpose, we propose an edge-sealing, edge-milling and grooving aluminum honeycomb panel ceiling module to solve one of the above problems.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides an edge-sealing edge-milling grooving aluminum honeycomb panel suspended ceiling module, wherein an aluminum honeycomb panel is spliced with a lower inserting plate of a section bar by milling the surface of an edge-sealing adhesive tape to form a step position, so that the lower edge-sealing adhesive tapes of two aluminum honeycomb panels can be completely attached together, and a good appearance effect can be achieved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the side face of the edge-sealing and edge-milling slotting aluminum honeycomb plate suspended ceiling module comprises an aluminum honeycomb plate, wherein an edge-sealing adhesive tape is fixed on the side part of the aluminum honeycomb plate and is provided with a clamping groove, the clamping groove divides the edge-sealing adhesive tape into an upper edge-sealing adhesive tape and a lower edge-sealing adhesive tape, and the side face of the edge-sealing adhesive tape is divided into a step position at the clamping groove after milling;

the profile comprises a guide plate and a lower plugboard which are parallel to each other, wherein the guide plate is connected with the lower plugboard through a vertical plate, the end part of the guide plate outwards extends out of an upper sloping plate, the vertical plate equally divides the lower plugboard, two ends of the lower plugboard are respectively inserted into clamping grooves of two adjacent aluminum honeycomb plates, and the side surfaces of lower edge-wrapping adhesive tapes of the two aluminum honeycomb plates are mutually attached.

Further, the side spacing of the lower and upper welt strips as described above is not less than half the thickness of the riser.

Further, the dimensions of the card slot and the dimensions of the lower plug board are matched as described above.

Further, the edge-wrapping adhesive tape is adhered to four side surfaces of the aluminum honeycomb panel through glue, and the clamping groove is horizontally formed in the middle of the edge-wrapping adhesive tape.

Further, the vertical plate divides the lower plugboard into a left plugboard and a right plugboard which are bilaterally symmetrical, and clamping protrusions are respectively processed at the end parts of the left plugboard and the right plugboard.

Further, the clamping protrusions are inclined wedges, the height of the inclined wedges does not exceed the thickness of the lower inserting plate, and the thickness of the lower inserting plate is smaller than the height of the clamping grooves.

Further, the space between the upper surface of the aluminum honeycomb panel and the card slot as described above is not larger than the space between the guide plate and the lower insertion plate.

Further, the included angle between the guide plate and the upper sloping plate is 165-120 degrees.

Further, the section bar is the first section bar as described above, and first section bar includes parallel first picture peg and first deflector down, and first picture peg and first deflector pass through the riser and divide into symmetrical left and right sides two parts, and the tip of first picture peg is equipped with first screens arch, and the tip of first deflector extends there is first swash plate, and the hanging platform is connected through supporting framework to first deflector top, and the hanging platform can be blocked and establish on the support hanging piece that is connected with the roof.

Further, the section bar is the second section bar as described above, and the second section bar includes parallel second lower picture peg and second deflector mutually, and second lower picture peg and second deflector pass through the riser and divide into two parts about the symmetry through the riser, and the tip of second lower picture peg is equipped with the second screens arch, and the tip of second deflector extends and has the second to go up the swash plate, and the second goes up the swash plate level and extends the backup pad, beats the screw fixation in the backup pad on the wall.

Compared with the prior art, the utility model has the beneficial effects that: the aluminum honeycomb panel of the device is spliced with the lower inserting plate of the section bar through milling the surface of the edge-wrapping adhesive tape and forming a step position, so that the lower edge-wrapping adhesive tapes of the two aluminum honeycomb panels can be completely attached together, and the aluminum honeycomb panel is used for a suspended ceiling and a wall surface to achieve good splicing appearance effect.

Drawings

FIG. 1 is a schematic view of an aluminum honeycomb panel structure in accordance with the present utility model;

FIG. 2 is a schematic view of a first profile of the present utility model;

FIG. 3 is a schematic view of a splice of an aluminum honeycomb panel and a first profile of the present utility model;

FIG. 4 is a schematic view of a second profile of the present utility model;

fig. 5 is a schematic view of the splice of the aluminum honeycomb panel and the second profile of the utility model.

In the figure: 1. an aluminum honeycomb panel; 11. a clamping groove; 12. a lower bag Bian Jiaotiao; 13. a top bag Bian Jiaotiao; 2. a first profile; 21. a first detent projection; 22. a first lower plugboard; 23. a first upper sloping plate; 24. a first guide plate; 25. a support skeleton; 26. a hanging platform; 3. a second profile; 31. a second clamping protrusion; 32. a second bottom plug board; 33. a second upper sloping plate; 34. a second guide plate; 35. and a support plate.

Detailed Description

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "fixed," "mounted," "connected," "disposed," and the like are to be construed broadly, e.g., when an element is referred to as being "fixed" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements.

The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, in a first embodiment of the present utility model, an edge-sealing and edge-milling grooved aluminum honeycomb panel ceiling module includes an aluminum honeycomb panel 1, edge-sealing adhesive tapes are respectively fixed on four sides of the aluminum honeycomb panel 1, the edge-sealing adhesive tapes are glued and pressed onto the sides of the aluminum honeycomb panel 1 to form by bonding, a cutting mechanism on the edge-sealing machine cuts off the redundant adhesive tapes so that four corners of the sides of the edge-sealing adhesive tapes and the aluminum honeycomb panel 1 are flush, a clamping groove 11 is processed on the edge-sealing adhesive tapes by a disc blade on the edge-sealing machine, the clamping groove 11 separates the edge-sealing adhesive tapes into an upper edge-sealing adhesive tape 13 and a lower edge-sealing adhesive tape 12, the sides of the edge-sealing adhesive tapes are divided into step positions at the clamping groove 11 after milling, the milling procedure is completed under the operation of a milling cutter mechanism installed on the edge-sealing machine, the two milling cutter are generally set for surface milling the upper edge-sealing adhesive tape 13 and the lower edge-sealing adhesive tape 12, the surface after milling is smooth and the milling depth parameters are set according to design requirements, so that two adjacent aluminum honeycomb panels 1 can be spliced on the profile and the edge-sealing adhesive tapes can be cut off directly after the edge-sealing adhesive tape 13 and the edge-sealing adhesive tape is not required to meet the requirements of the requirement of the edge-sealing adhesive tape 13 when the edge-sealing adhesive tape is cut off is no more than the adhesive tape is required to be cut off and the edge sealing adhesive tape 13 and the edge sealing adhesive tape is required to be directly 13 after the edge sealing adhesive tape is cut off 13 and is required by the adhesive tape is 13;

section bar, section bar include deflector and the lower picture peg that is parallel to each other, link to each other through the riser between deflector and the lower picture peg, constitute I shape structure between deflector and the lower picture peg and the riser that links to each other, the tip of deflector outwards stretches out the swash plate, upward extends in the swash plate slant, the design of last swash plate makes aluminium honeycomb panel 1 to counterpoint smoothly insert down the picture peg, the picture peg is divided into left and right parts by the riser about, the both ends are inserted respectively in draw-in groove 11 of two aluminium honeycomb panel 1 about the picture peg down, and the laminating each other of lower edge-covering adhesive tape 12 side of two aluminium honeycomb panel 1.

In the second embodiment, on the basis of the technical scheme of the first embodiment, in the edge sealing, edge milling and slotting aluminum honeycomb board ceiling module, for the close splicing of two adjacent aluminum honeycomb boards 1 on sectional materials, when the lower edge-wrapping adhesive tapes 12 of two aluminum honeycomb boards 1 are attached together, a gap is required to be reserved between the upper edge-wrapping adhesive tapes 13 and the vertical boards, namely, the lower edge-wrapping adhesive tapes 12 play a role in alignment, and the distance between the upper edge-wrapping adhesive tapes 13 and the vertical boards is larger than zero, at this time, the side distance between the lower edge-wrapping adhesive tapes 12 and the upper edge-wrapping adhesive tapes 13 is not smaller than half of the thickness of the vertical boards.

Further, the size of the clamping groove 11 is matched with the size of the lower inserting plate, the thickness of the lower inserting plate is smaller than that of the clamping groove 11, the length of the lower inserting plate after being equally divided by the vertical plate is larger than that of the clamping groove 11, in the actual production and assembly process, the clamping groove 11 and the lower inserting plate are in transition fit, the size of the clamping groove 11 is slightly larger than that of the lower inserting plate, and the clamping groove 11 and the lower inserting plate are easy to insert and assemble and cannot be easily separated. In addition, the adhesive tape of borduring pass through glue bonding at four sides of aluminium honeycomb panel 1, the draw-in groove 11 level is offered at the middle part of adhesive tape of borduring, in the actual installation assembly process of aluminium honeycomb panel 1 generally only need both sides joint can on the section bar, if all process draw-in groove 11 in four sides of aluminium honeycomb panel 1, two section bar supports that extra increase need be fixed, have increased the installation degree of difficulty on the contrary.

On the basis of the technical scheme of the third embodiment, the edge sealing and edge milling slotting aluminum honeycomb plate suspended ceiling module is further characterized in that the vertical plate divides the lower inserting plate into a left inserting plate and a right inserting plate which are bilaterally symmetrical, clamping protrusions are respectively machined at the end parts of the left inserting plate and the right inserting plate, the clamping protrusions are inserted into the clamping grooves 11 of the aluminum honeycomb plate 1 along with the lower inserting plate, and the limiting effect can be achieved, namely the clamping protrusions are propped against the inside of the clamping grooves 11 of the aluminum honeycomb plate 1, and movement or shaking of the clamping protrusions is limited. Specifically, the clamping protrusions are wedge blocks, the height of the wedge blocks does not exceed the thickness of the lower inserting plate, and the thickness of the lower inserting plate is smaller than the height of the clamping groove 11. In addition, when aluminium honeycomb panel 1 and section bar concatenation assembly, aluminium honeycomb panel 1 upper surface and draw-in groove 11 between the interval be not greater than the deflector and lower picture peg between to guarantee that aluminium honeycomb panel 1's first half card is gone into in the I-shaped die cavity of section bar smoothly, aluminium honeycomb panel 1 card realizes the clamp plate in the I-shaped cavity of section bar promptly, prevents that it from unstable rocking. In addition, the angle design of the upper inclined plate, the included angle between the guide plate and the upper inclined plate is 165-120 degrees, and an included angle of 135 degrees is generally selected.

In the above three embodiments, the fixing support of the profile is two ways, one is that the first profile 2 is designed in a hanging manner as shown in fig. 3, and the first profile 2 can be clamped on a supporting hanging piece connected with a roof through a hanging table 26, the position layout of the first profile 2 is determined according to the arrangement of the supporting hanging piece on the roof, and then the aluminum honeycomb panel 1 with a proper size is selected to be connected with the lower plugboards of two adjacent first profiles 2 in a plug-in manner, the left side and the right side of the aluminum honeycomb panel 1 can be pushed back and forth after the clamping connection is completed, and as the four side surfaces of the aluminum honeycomb panel 1 are adhered with edge-wrapping adhesive tapes and all perform edge milling operation, two aluminum honeycomb panels 1 adjacent in the front-back direction can be spliced in a close manner; the other design is that the second section bars 3 are fixed on the wall surface by screwing, and is suitable for splicing and decorating the aluminum honeycomb plates 1 of the indoor wall, the second section bars 3 are fixed on the wall by screwing on the supporting plate 35 of the second section bars 3, the space design between the second section bars 3 is determined according to the size of the selected aluminum honeycomb plates 1, the aluminum honeycomb plates 1 are generally square, according to the layout of two adjacent second section bars 3, if the aluminum honeycomb plates 1 are horizontally arranged, the aluminum honeycomb plates 1 are respectively clamped on the lower inserting plates of the two adjacent second section bars 3 up and down, then the aluminum honeycomb plates 1 are horizontally pushed to enable the other aluminum honeycomb plates 1 to be closely spliced, otherwise, if the aluminum honeycomb plates 1 are vertically arranged, the aluminum honeycomb plates 1 are respectively horizontally clamped on the lower inserting plates of the two adjacent second section bars 3, then the other aluminum honeycomb plates 1 are vertically pushed to enable the other aluminum honeycomb plates to be closely spliced, and the aluminum honeycomb plates can be obliquely arranged in other directions, and the similar assembling operation is not repeated.

As can be seen from fig. 2 and 3, the first profile 2 includes a first lower insert plate 22 and a first guide plate 24 parallel to each other, the first lower insert plate 22 and the first guide plate 24 are connected by a vertical plate and are divided into two symmetrical left and right parts by the vertical plate, a first clamping protrusion 21 is arranged at the end of the first lower insert plate 22, a first upper inclined plate 23 extends at the end of the first guide plate 24, a hanging table 26 is connected above the first guide plate 24 by a supporting framework 25, and the hanging table 26 can be clamped on a supporting hanging piece connected with a roof. For the installation of suspended ceiling, support hanger includes jib and the hanger plate that is located the jib lower part, and the top and the roof of jib link to each other, and the jib plays the effect of pulling first section bar 2, and the hanger plate lower part is equipped with the bayonet socket that can block hanger plate 26, and the hanger plate passes through the bayonet socket to hang hanger plate 26 of first section bar 2.

As can be seen from fig. 4 and 5, the second profile 3 includes a second lower insert plate 32 and a second guide plate 34 parallel to each other, the second lower insert plate 32 and the second guide plate 34 are connected by a vertical plate and are divided into two symmetrical left and right parts by the vertical plate, a second clamping protrusion 31 is arranged at the end of the second lower insert plate 32, a second upper inclined plate 33 extends from the end of the second guide plate 34, a support plate 35 horizontally extends from the second upper inclined plate 33, and screws are fixed on the support plate 35.

The section bar adopts the aluminium alloy generally, through extrusion die one shot extrusion molding, cuts the section bar according to the length of user's demand according to the on-the-spot installation environment when using. Of course, the material of the profile is not limited to aluminum alloy, but can be other metals which meet the structural strength, such as stainless steel.

The device is designed, the size of the section bar can be cut and fine-tuned on site, the bag Bian Jiaotiao of the aluminum honeycomb panel 1, the grooving and edge milling operations are generally performed in advance according to the specifications of the groove depth and the groove width before leaving the factory, the depth of the face milling needs to be matched with the thickness of the vertical plate of the section bar, the processing and the connection mode of the section bar are the prior art or materials, and the section bar can be directly purchased or ordered from the market by a skilled person according to the required product model and specification.

In the foregoing description, only the preferred embodiment of the present utility model is described, but the common general knowledge of the specific structure and characteristics of the present utility model is not described in any detail. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Accordingly, the present embodiments are to be considered in all respects as illustrative and not restrictive, and any equivalents and modifications thereof according to the technical scheme and the inventive concept thereof, which are within the scope of the present disclosure, are intended to be included in the scope of the present disclosure.

Claims

1. The edge-sealing edge-milling slotting aluminum honeycomb plate suspended ceiling module is characterized by comprising an aluminum honeycomb plate (1), wherein an edge-sealing adhesive tape is fixed on the side part of the aluminum honeycomb plate (1) and is provided with a clamping groove (11) in a machining mode, the clamping groove (11) divides the edge-sealing adhesive tape into an upper bag Bian Jiaotiao (13) and a lower bag Bian Jiaotiao (12), and the side surface of the edge-sealing adhesive tape is subjected to milling and then is divided into a step position at the clamping groove (11);

section bar, section bar include deflector and the lower picture peg that is parallel to each other, link to each other through the riser between deflector and the lower picture peg, the tip of deflector outwards stretches out the swash plate, the riser is with lower picture peg halving, the both ends of lower picture peg cartridge respectively in draw-in groove (11) of two adjacent aluminium honeycomb panel (1), and the lower package Bian Jiaotiao (12) side of two aluminium honeycomb panel (1) laminating each other.

2. The edge-sealed, edge-milled, grooved aluminum honeycomb panel ceiling module of claim 1, wherein the side spacing of the lower package Bian Jiaotiao (12) and the upper package Bian Jiaotiao (13) is no less than half the thickness of the riser.

3. An edge-sealed, edge-milled and grooved aluminum honeycomb panel ceiling module as claimed in claim 2, wherein the dimensions of the clamping groove (11) are matched with the dimensions of the lower plug board.

4. A ceiling module of an edge-sealing, edge-milling and grooving aluminum honeycomb panel according to claim 3, characterized in that the edge-sealing adhesive tape is adhered to four sides of the aluminum honeycomb panel (1) through glue, and the clamping groove (11) is horizontally arranged in the middle of the edge-sealing adhesive tape.

5. The edge-sealing, edge-milling and grooving aluminum honeycomb panel suspended ceiling module according to claim 1, wherein the vertical plate divides the lower plugboard into a left plugboard and a right plugboard which are bilaterally symmetrical, and clamping protrusions are respectively machined at the end parts of the left plugboard and the right plugboard.

6. The edge-sealing, edge-milling and grooving aluminum honeycomb panel suspended ceiling module according to claim 5, wherein the clamping protrusions are wedge blocks, the height of the wedge blocks does not exceed the thickness of a lower plugboard, and the thickness of the lower plugboard is smaller than the height of the clamping groove (11).

7. The edge-sealed, edge-milled and grooved aluminum honeycomb panel ceiling module according to claim 6, wherein the distance between the upper surface of the aluminum honeycomb panel (1) and the clamping groove (11) is not larger than the distance between the guide plate and the lower plug board.

8. The edge-sealed, edge-milled and grooved aluminum honeycomb panel ceiling module of claim 7, wherein the angle between the guide plate and the upper sloping plate is 165-120 degrees.

9. The edge-sealing, edge-milling and grooving aluminum honeycomb panel suspended ceiling module according to any one of claims 1-8, characterized in that the profile is a first profile (2), the first profile (2) comprises a first lower insertion plate (22) and a first guide plate (24) which are parallel to each other, the first lower insertion plate (22) and the first guide plate (24) are connected through a vertical plate and are divided into a left part and a right part which are symmetrical through the vertical plate, a first clamping protrusion (21) is arranged at the end part of the first lower insertion plate (22), a first upper inclined plate (23) extends at the end part of the first guide plate (24), a hanging table (26) is connected above the first guide plate (24) through a supporting framework (25), and the hanging table (26) can be clamped on a supporting hanging piece connected with a roof.

10. The edge-sealing, edge-milling and grooving aluminum honeycomb panel suspended ceiling module according to any one of claims 1 to 8, characterized in that the profile is a second profile (3), the second profile (3) comprises a second lower inserting plate (32) and a second guide plate (34) which are parallel to each other, the second lower inserting plate (32) and the second guide plate (34) are connected through vertical plates and are divided into a left part and a right part which are symmetrical through the vertical plates, second clamping protrusions (31) are arranged at the end parts of the second lower inserting plate (32), a second upper inclined plate (33) is extended at the end parts of the second guide plate (34), a supporting plate (35) horizontally extends out of the second upper inclined plate (33), and screws are arranged on the supporting plate (35) to be fixed on a wall surface.