CN220954364U - Assembly type kitchen tile dry-hanging assembly - Google Patents

Abstract

The utility model relates to an assembled kitchen tile dry-hanging assembly, which comprises at least one group of leveling assemblies, leveling inserting pieces and hanging pieces, wherein each hanging piece is provided with a top attaching part attached to the top of a tile and a side attaching part attached to the surface of the tile, each side attaching part is provided with a hanging groove, one end of each leveling inserting piece is connected with each leveling assembly, and the other end of each leveling inserting piece is inserted into each hanging groove; the leveling assembly comprises a leveling rotating member and a leveling base, and the distance between the end face of the leveling base and the end face of the leveling rotating member can be adjusted. This ceramic tile hangs subassembly structure futilely, through setting up at least a set of levelling subassembly, leveling inserted sheet and hanging dress piece, can carry out the leveling operation to the different positions of ceramic tile, connect the leveling inserted sheet between levelling subassembly and hanging dress piece again, need not use other parts can realize the connection of levelling subassembly and hanging dress piece, compare with prior art, can improve the efficiency that the ceramic tile hung the leveling futilely and guarantee the installation effect greatly.

Description

Assembly type kitchen tile dry-hanging assembly

Technical Field

The utility model relates to the technical field of decoration, in particular to an assembled kitchen tile dry-hanging assembly.

Background

The assembled integral kitchen integrates various components, accessories, equipment, facilities and the like in the kitchen into building parts, realizes factory production and field assembly, takes standardization and modularization as design basis, and the wallboard, the top plate and the dry floor tile of the assembled integral kitchen form an integral frame, are provided with various functional kitchen appliances to form an independent operation unit, have various advantages of standardized production, quick installation, leakage prevention and the like, and can achieve the best integral effect in the minimum space. The wall material of the assembled integral kitchen is formed by compounding materials such as ceramic tile surface materials, aluminum honeycomb cores, polyurethane, glass fibers and the like, and ceramic tiles are reversely beaten in a die according to the design size and are formed by hot pressing. The aluminum honeycomb composite structure can be matched with different plane materials to be used as a wallboard and a top plate of an assembled integral kitchen. The honeycomb composite material facing material can be used for compounding various facing materials such as ceramic tiles, stones and the like, and has the appearance and knocking feel which are not different from those of the traditional kitchen. Is not limited by the size and shape, and can be used for producing kitchens with larger area and irregular shape.

The traditional tile installation method generally uses tile glue or cement paste to paste tiles on the wall surface or the ground, and has the problems of more wet operation, long construction period, complex process, large workload, large pollution on the construction site, easy hollowing and cracking of the wall surface, difficult subsequent maintenance and repair and the like, and difficult meeting the requirements of assembly type decoration development.

The tile dry-hanging technique is a method for installing tiles by fixing tiles to a wall surface by special hooks or clamps without using an adhesive. However, the existing assembly type tile dry hanging system has the problems of low installation efficiency, limited leveling range and the like, so that the wall body with a higher leveling range cannot meet actual requirements, the use experience of a user is affected, and the popularization and application of the tile dry hanging technology in the technical field of decoration are not facilitated.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model aims to provide the assembly type kitchen tile dry-hanging assembly, which is simple and ingenious in structure and convenient to operate, can meet the requirement of a wall body with a relatively high adjustment range, enhances the use experience of a user, and is beneficial to popularization and application of the tile dry-hanging assembly in the technical field of decoration.

In order to achieve the above object, the present utility model adopts the following technical scheme: the assembly type kitchen tile dry-hanging assembly comprises at least one group of leveling assemblies, leveling inserting pieces and hanging pieces, wherein each hanging piece is provided with a top attaching part attached to the top of a tile and a side attaching part attached to the surface of the tile, each side attaching part is provided with a hanging groove, one end of each leveling inserting piece is connected with each leveling assembly, and the other end of each leveling inserting piece is inserted into each hanging groove; the leveling assembly comprises a leveling rotating piece and a leveling base, and the distance between the end face of the leveling base and the end face of the leveling rotating piece is adjustable.

As a preferable mode of the present utility model, the top attaching portion is provided perpendicular to the side attaching portion.

As a preferable mode of the utility model, the top attaching part is provided with a glue groove.

As a preferable mode of the present utility model, the hanging groove is a bar-shaped groove and is provided along a length direction of the hanging member.

As a preferable mode of the utility model, the leveling rotating member comprises a rotating member body, wherein a rotating hole is formed in the rotating member body, and the leveling base is provided with a spiral part which is in threaded connection with the rotating hole.

As a preferable mode of the utility model, the end face of the leveling base is provided with a mounting part, and the cross-sectional area of the mounting part is larger than that of the spiral part.

As a preferable aspect of the present utility model, the spiral part has a hollow structure.

As a preferable scheme of the utility model, the outer wall surface of the leveling rotating piece is cut to form a plurality of inserting blocks, the leveling inserting pieces are provided with inserting grooves matched with the inserting blocks, and the inserting grooves are used for inserting the inserting blocks.

As a preferable scheme of the leveling plug-in board, the leveling plug-in board comprises a plug-in board hanging part, a plug-in board bearing part and a plug-in board inserting part, wherein the plug-in board bearing part is connected between the plug-in board hanging part and the plug-in board inserting part, the plug-in board hanging part and the plug-in board bearing part and the plug-in board inserting part are arranged in an angle, and the slot is formed in the plug-in board inserting part.

As a preferable mode of the utility model, the setting angles between the insert hanging part and the insert receiving part and between the insert receiving part and the insert inserting part are 150 degrees.

Compared with the prior art, the utility model has the beneficial effects that: according to the assembly type kitchen tile dry-hanging assembly, the structure is simple and ingenious, the leveling operation can be carried out on different positions of the tile through the arrangement of at least one group of leveling assemblies, the leveling inserting pieces and the hanging pieces, the leveling inserting pieces are connected between the leveling assemblies and the hanging pieces, the leveling assemblies and the hanging pieces can be connected without other parts, compared with the prior art, the tile dry-hanging leveling efficiency can be greatly improved, the installation effect is guaranteed, the use experience of users is enhanced, and popularization and application of the tile dry-hanging assembly in the technical field of decoration are facilitated.

Furthermore, the top attaching part and the side attaching part of the hanging piece are vertically arranged, so that the structural strength of the hanging piece can be effectively ensured while the hanging piece is matched with the ceramic tile, the service life of the hanging piece is prolonged, and the use cost of a user is reduced.

Furthermore, the glue groove is formed in the top attaching part, so that the adhesion between the hanging piece and the ceramic tile is tighter, the stability of the ceramic tile in the installation and use process is further ensured, the damage probability of the ceramic tile is reduced, and the use experience of a user is enhanced.

Drawings

FIG. 1 is a schematic view of a modular kitchen tile dry-hang assembly according to one embodiment;

FIG. 2 is a schematic view of a leveling swivel in an assembled kitchen tile dry-hang assembly according to an embodiment;

FIG. 3 is a schematic view of a leveling assembly in an assembled kitchen tile dry-hang assembly according to an embodiment;

FIG. 4 is a schematic view of the structure of a leveling base in an assembled kitchen tile dry-hang assembly according to an embodiment;

FIG. 5 is a schematic diagram of an assembly of a leveling assembly and leveling tabs in an assembled kitchen tile dry-hang assembly according to an embodiment;

FIG. 6 is a schematic view of the structure of a leveling insert in an assembled kitchen tile dry-hang assembly according to one embodiment;

FIG. 7 is a schematic view of the structure of a hanging member in an assembled kitchen tile dry hanging assembly according to an embodiment;

fig. 8 is a schematic installation view of a fabricated kitchen tile dry-hang assembly according to an embodiment.

Reference numerals: 1. leveling the rotating member; 1-1, a rotating member body; 1-2, rotating holes; 1-3, inserting blocks; 2. leveling the base; 2-1, a spiral part; 2-2, an installation part; 3. leveling the inserting sheet; 3-1, a slot; 3-2, an inserting sheet hanging part; 3-3, inserting piece receiving parts; 3-4, inserting the inserting piece; 4. a hanging piece; 4-1, a top attaching part; 4-2, a side lamination part; 4-3, hanging grooves; 4-4, a glue groove; 5. and (3) a ceramic tile.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the present utility model is described below by means of specific embodiments shown in the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying 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.

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Examples: existing modular tile dry-hanging systems generally include the following operative steps: preparation: firstly, the wall surface needs to be cleaned and treated, the wall surface is ensured to be smooth and dry, and the bearing capacity is achieved. Meanwhile, the pretreatment of the wall surface, such as installation of a waterproof layer or a dampproof layer, is required according to the requirements of the tile dry hanging system. Mounting hooks or clamps: according to the design of the tile dry hanging system, the hook or the clamp is fixed on the wall surface. These hooks or clamps are typically made of a metallic material with a certain load-bearing capacity and stability. And (3) installing ceramic tiles: and placing the ceramic tile on the hook or the clamp to ensure that the ceramic tile is completely attached to the hook or the clamp. If desired, a rubber hammer can be used to lightly tap the tile to more tightly attach it to the hook or clamp. Adjustment and correction: during installation, the tile position needs to be constantly adjusted and corrected to ensure overall flatness and alignment. Leveling or measuring tools may be used to aid in the adjustment. Fixing the ceramic tile: once the tile is in place and in place, screws or other fixing means can be used to secure the tile to the hook or clamp, increasing stability and safety. Cleaning and maintaining: after the tile installation is completed, the wall surfaces and residues on the tile surfaces need to be cleaned and maintenance work necessary to maintain the aesthetics and durability of the tile. The problems of low installation efficiency, limited leveling range and the like exist in the operation mode, so that the wall body with higher leveling range cannot meet actual requirements, the use experience of a user is affected, and the popularization and application of the tile dry-hanging technology in the technical field of decoration are not facilitated

In order to solve the above technical problems, as shown in fig. 1 to 8, an assembled kitchen tile dry hanging component mainly comprises at least one group of leveling components, a leveling insert 3 and a hanging piece 4, wherein at least one group of leveling components can be installed on an original wall according to the needs so as to level different parts of a tile 5. In order to ensure the stability of the tile 5 and the aesthetic property during the installation and use, the hanging member 4 has a top attaching portion 4-1 attached to the top of the tile 5 and a side attaching portion 4-2 attached to the surface of the tile 5, the side attaching portion 4-2 is formed with a hanging groove 4-3 with a downward opening, and the side edge of the hanging groove 4-3 may be provided with an opening so as to install the leveling insert 3 in the hanging groove 4-3. One end of the leveling insert 3 is connected with the leveling component, and the other end of the leveling insert 3 is inserted into the hanging groove 4-3. The leveling assembly comprises a leveling rotating member 1 and a leveling base 2, wherein the distance between the end face of the leveling base 2 and the end face of the leveling rotating member 1 can be adjusted.

The top attaching part 4-1 is perpendicular to the side attaching part 4-2, so that the stability and the safety of the tile dry hanging system can be improved. When the tile 5 is mounted on a wall surface, the top and the side surfaces are two important fitting parts, and the following purposes can be achieved by perpendicularly arranging the top fitting part 4-1 and the side surface fitting part 4-2: increasing the supporting force: the top attaching portion 4-1 and the side attaching portion 4-2 are perpendicular to each other, so that better supporting force can be provided in the vertical direction, sinking or sagging of the tile 5 under the action of gravity can be reduced, and stability of the whole system is improved. Load dispersion: by vertically providing the top abutment 4-1 and the side abutment 4-2, the load can be evenly distributed on the wall surface, which helps to relieve the pressure at the individual abutment and reduce the risk of tile 5 falling off or breakage. The safety is improved: the safety of the tile dry hanging system is very important, and by vertically arranging the top attaching part 4-1 and the side attaching part 4-2, the tiles 5 can be ensured to be fully supported and fixed in different directions, and the possibility of accidental falling or tilting is reduced.

The glue groove 4-4 is formed at the top attaching part 4-1, so that the overall waterproof performance and the aesthetic effect of the ceramic tile dry hanging system are improved. Specifically, the glue groove 4-4 is shaped as a plurality of discontinuously disposed grooves or recessed areas formed on the lower surface of the top attaching portion 4-1. The glue groove 4-4 can be used for filling waterproof glue or sealant to ensure that the joint between the ceramic tile 5 and the hanging piece 4 has good waterproof performance, so that moisture can be prevented from penetrating into the wall, the generation of humidity and mould is reduced, and the overall waterproof effect is improved. The glue groove 4-4 also conceals the joint between the tile 5 and the hanging piece 4, making the whole installation system look more neat and beautiful. The glue groove 4-4 can also be used for fixing the tile 5, so that the stability and the safety of the tile are improved, and the tile 5 can be firmly fixed on the top attaching part 4-1 by adding glue or adhesive into the glue groove 4-4, so that the tile 5 is prevented from moving or falling off.

In order to provide more flexible mounting options and adjustment capability, the leveling insert 3 and the leveling assembly are mounted at different positions on the hanging member 4, the hanging groove 4-3 is a bar-shaped groove and the hanging groove 4-3 is arranged along the length direction of the hanging member 4. The setting of bar shape groove can provide a plurality of mounted positions, can install leveling inserted sheet 3 on different positions as required, can select the most suitable mounted position according to specific wall condition and ceramic tile size like this to realize best installation effect. Due to the existence of the strip-shaped grooves, fine adjustment and adjustment can be performed in the installation process, and the levelness, the verticality and the alignment of the ceramic tile 5 can be adjusted by installing the leveling insert pieces 3 on different strip-shaped groove positions, so that a more accurate installation result can be achieved.

Specifically, the leveling rotator 1 includes a rotator body 1-1, the rotator body 1-1 is provided with a rotation hole 1-2, the leveling base 2 has a screw portion 2-1, the screw portion 2-1 is in threaded connection with the rotation hole 1-2, a connection effect is ensured, and a position of the screw portion 2-1 in the rotation hole 1-2 is changed to change a position of the leveling rotator 1, so that end surfaces of the leveling rotators 1 can be located on the same plane, so as to realize leveling operation of the tile 5.

In order to reduce the difficulty in installing the leveling base 2, the end face of the leveling base 2 is provided with an installation part 2-2, the installation part 2-2 is a protruding part on the end face of the leveling base 2, the spiral part 2-1 is a spiral part on the leveling base 2, and the leveling rotating part 1 is changed by rotating the leveling rotating part 1 on the spiral part 2-1, so that the leveling of the leveling rotating part 1 is realized, and the leveling of the tile 5 is further realized. The cross-sectional area of the installation part 2-2 is larger than that of the spiral part 2-1, so that an operator can hold the leveling base 2 more firmly, the holding force can be increased, the operation is more stable and safer, the installation of the leveling base 2 is realized, and in particular, the installation part 2-2 can be fixed on an original wall through fixing pieces such as air nails, and the operation difficulty is reduced.

The spiral part 2-1 is of a hollow structure, the hollow structure can reduce the overall weight of the leveling base 2, and compared with a solid structure, the hollow structure can use less materials, so that the weight of the leveling base 2 is reduced, the leveling base 2 is lighter, and an operator can conveniently take and operate the leveling base 2.

The outer wall surface of the leveling rotating member 1 is cut to form inserting blocks 1-3, the number of the inserting blocks 1-3 is multiple and the inserting blocks 1-3 are arranged at intervals, the inserting blocks 1-3 and the leveling rotating member 1 are arranged in a step shape, namely, the inserting blocks 1-3 are inwards recessed in the outer wall surface of the leveling rotating member 1, the leveling inserting pieces 3 are provided with inserting grooves 3-1 matched with the inserting blocks 1-3 in a matched mode, the inserting grooves 3-1 are used for being inserted into the inserting blocks 1-3, quick connection between the leveling inserting pieces 3 and the leveling rotating member 1 is achieved, other parts are not needed, and therefore installation rate can be greatly improved, and installation cost is reduced.

In order to avoid collision between the wall surface and the leveling rotating member 1 during installation, the leveling insert 3 comprises an insert hanging part 3-2, an insert receiving part 3-3 and an insert inserting part 3-4, the insert receiving part 3-3 is connected between the insert hanging part 3-2 and the insert inserting part 3-4, and the insert hanging part 3-2 and the insert receiving part 3-3 and the insert inserting part 3-4 are all arranged at angles, and the slot 3-1 is arranged at the insert inserting part 3-4.

In order to provide a more secure connection and support, the setting angle between the tab hooking portion 3-2 and the tab receiving portion 3-3, and between the tab receiving portion 3-3 and the tab inserting portion 3-4 is 120 ° to 170 °. The setting angles of the setting angles between the insert hanging portion 3-2 and the insert receiving portion 3-3 and between the insert receiving portion 3-3 and the insert inserting portion 3-4 in this embodiment are all 150 °, so that the carrying capacity of the insert receiving portion 3-3 can be increased. The larger included angle can disperse the pressure of the insert bearing part 3-3 and reduce stress concentration, thereby improving the bearing capacity of the leveling insert 3 and ensuring that the leveling insert 3 cannot be deformed or damaged when bearing weight or pressure. The 150-degree angle design enables the installation and the disassembly of the leveling insert pieces 3 to be more convenient. The larger included angle provides enough space for the leveling insert 3 to be easily inserted and pulled out, so that the installation process can be simplified, and time and labor can be saved.

The leveling assembly, the leveling inserting piece 3 and the hanging piece 4 in the implementation are prefabricated members, the prefabricated members can be produced in batches, the scale economy is realized, the cost is greatly reduced, the design, the purchase and the production can be optimized through standardized production, the waste is reduced, and the cost is reduced. The prefabricated parts are usually processed in factories, only simple connection and debugging are needed for field installation, complex installation is not needed, and the construction period can be shortened remarkably. The prefabricated member can be mechanically produced, so that high quality is ensured, a complete quality management system can be established in a factory, quality control is convenient, the service lives of the leveling assembly, the leveling inserting sheet 3 and the hanging piece 4 are ensured, and the use cost is reduced.

The leveling component, the leveling insert 3 and the hanging member 4 in this embodiment may be made of metal materials, specifically, may be aluminum alloy or other alloy materials, and are not limited in particular. The metal material has high durability, higher hardness, difficult deformation and breakage and long-term use; the metal material can not be damaged by worms, and the phenomena of hole breakage and the like of the leveling assembly, the leveling insert 3 and the hanging piece 4 can be prevented; the leveling assembly, the leveling inserting piece 3 and the hanging piece 4 made of metal materials are simple and convenient in the disassembling and assembling process, damage to the original ceramic tile 5 can be reduced, replacement is convenient, and the like.

In the actual installation process, the leveling base 2 is fixed on the original wall in a nailing mode or other modes, the leveling rotating piece 1 and the leveling base 2 are screwed together, the rotating hole 1-2 and the spiral part 2-1 can be tightly connected, the adjustment of the position of the leveling rotating piece 1 away from the ceramic tile 5 is realized through screwing in and screwing out, the end faces of all the leveling rotating pieces 1 are adjusted to the same plane so as to level different parts of the ceramic tile, the slot 3-1 of the leveling insert 3 is inserted on the insert 1-3 formed by cutting the outer wall surface of the leveling rotating piece 1, the leveling insert 3 is tightly connected with the leveling rotating piece 1, all the insert hanging parts 3-2 are adjusted to the same plane, the arrangement of the insert receiving part 3-3 can avoid the collision between the wall surface and the leveling rotating piece 1 during installation, the service life of each part is ensured, and the use cost is reduced.

The assembly type kitchen tile dry-hanging assembly is simple and ingenious in structure, can carry out leveling operation on different positions of the tile 5 by arranging at least one group of leveling assemblies, leveling inserting pieces 3 and hanging pieces 4, and then connects the leveling inserting pieces 3 between the leveling assemblies and the hanging pieces 4, and can achieve connection of the leveling assemblies and the hanging pieces 4 without using other parts.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more herein: 1. leveling the rotating member; 1-1, a rotating member body; 1-2, rotating holes; 1-3, inserting blocks; 2. leveling the base; 2-1, a spiral part; 2-2, an installation part; 3. leveling the inserting sheet; 3-1, a slot; 3-2, an inserting sheet hanging part; 3-3, inserting piece receiving parts; 3-4, inserting the inserting piece; 4. a hanging piece; 4-1, a top attaching part; 4-2, a side lamination part; 4-3, hanging grooves; 4-4, a glue groove; 5. ceramic tile, etc., but does not exclude the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims (10)

1. An assembled kitchen tile dry-hanging assembly, characterized in that: the leveling assembly comprises at least one group of leveling assemblies, leveling inserting pieces (3) and hanging pieces (4), wherein each hanging piece (4) is provided with a top attaching part (4-1) attached to the top of a ceramic tile (5) and a side attaching part (4-2) attached to the surface of the ceramic tile (5), each side attaching part (4-2) is provided with a hanging groove (4-3), one end of each leveling inserting piece (3) is connected with the leveling assembly, and the other end of each leveling inserting piece (3) is inserted into each hanging groove (4-3); the leveling assembly comprises a leveling rotating piece (1) and a leveling base (2), and the distance between the end face of the leveling base (2) and the end face of the leveling rotating piece (1) is adjustable.

2. A fabricated kitchen tile dry-hang assembly according to claim 1, wherein: the top attaching part (4-1) is perpendicular to the side attaching part (4-2).

3. A fabricated kitchen tile dry-hang assembly according to claim 2, wherein: and a glue groove (4-4) is formed at the top attaching part (4-1).

4. A fabricated kitchen tile dry-hang assembly according to claim 3, wherein: the hanging groove (4-3) is a strip-shaped groove and is arranged along the length direction of the hanging piece (4).

5. A fabricated kitchen tile dry-hang assembly according to claim 1 or 3, wherein: the leveling rotating member (1) comprises a rotating member body (1-1), a rotating hole (1-2) is formed in the rotating member body (1-1), the leveling base (2) is provided with a spiral part (2-1), and the spiral part (2-1) is in threaded connection with the rotating hole (1-2).

6. A fabricated kitchen tile dry-hang assembly of claim 5, wherein: the end face of the leveling base (2) is provided with a mounting part (2-2), and the cross-sectional area of the mounting part (2-2) is larger than that of the spiral part (2-1).

7. The fabricated kitchen tile dry-hang assembly of claim 6, wherein: the spiral part (2-1) is of a hollow structure.

8. The fabricated kitchen tile dry-hang assembly of claim 6, wherein: the leveling rotating piece (1) is characterized in that a plurality of inserting blocks (1-3) are formed in a sectioning mode on the outer wall surface of the leveling rotating piece, the leveling inserting pieces (3) are provided with inserting grooves (3-1) matched with the inserting blocks (1-3), and the inserting grooves (3-1) are used for inserting the inserting blocks (1-3).

9. The fabricated kitchen tile dry-hang assembly of claim 8, wherein: leveling inserted sheet (3) are including inserted sheet articulates portion (3-2), inserted sheet and accept portion (3-3) and inserted sheet grafting portion (3-4), inserted sheet accept portion (3-3) connect in inserted sheet articulates portion (3-2) with between inserted sheet grafting portion (3-4), just inserted sheet articulates portion (3-2) with between inserted sheet accept portion (3-3) and inserted sheet accept portion (3-3) with between inserted sheet grafting portion (3-4) all be the angle setting, slot (3-1) set up in inserted sheet grafting portion (3-4).

10. A fabricated kitchen tile dry-hang assembly according to claim 9, wherein: the setting angles between the inserting sheet hanging part (3-2) and the inserting sheet bearing part (3-3) and between the inserting sheet bearing part (3-3) and the inserting sheet inserting part (3-4) are 150 degrees.