阅读说明：本技术 一种基于嵌装包角连接件的箱子 (Box based on inlay dress cornerite connecting piece ) 是由 杨世华 于 2021-08-18 设计创作，主要内容包括：本发明提供了一种基于嵌装包角连接件的箱子,其中,主要包括箱体、呈环形固定在箱体敞口处的箱沿,以及铰接在箱沿上的箱盖,在箱体、箱盖以及箱沿的边角处均预留有安装口,在各安装口上分别可拆卸地安装有包角连接件与包边连接件,该包角连接件与包边连接件能够支承对应安装口,支承安装口的作用是能够对箱子整体结构提供抗压能力,有效地防止连接件受到压力时产生变形,而同时各连接件也可为箱子整体结构提供应有的抗拉能力,综合有效地提升了箱子的坚固性。(The invention provides a box based on embedded cornerite connecting pieces, which mainly comprises a box body, a box edge annularly fixed at an opening of the box body, and a box cover hinged on the box edge, wherein mounting openings are reserved at the corners of the box body, the box cover and the box edge, the cornerite connecting pieces and the bordure connecting pieces are respectively detachably mounted on the mounting openings, the cornerite connecting pieces and the bordure connecting pieces can support the corresponding mounting openings, the supporting mounting openings can provide compressive capacity for the whole structure of the box, the connecting pieces are effectively prevented from deforming when being stressed, meanwhile, the connecting pieces can also provide tensile capacity for the whole structure of the box, and the firmness of the box is comprehensively and effectively improved.)

1. The utility model provides a case based on inlay dress cornerite connecting piece, includes box (1), is the annular and fixes case edge (3) in the uncovered department of box (1) to and articulate case lid (2) on case edge (3), its characterized in that: the utility model discloses a case lid, including case lid (2), case edge (3), it includes box (1) and case lid corner piece installing port (14), set up box corner piece installing port (14) on the corner of box (1), equal detachably installation can support box corner piece connecting piece (11) that correspond box corner piece installing port (14) in each box corner piece installing port (14), set up case lid corner piece installing port (25) on the corner of case lid (2), equal detachably installation can support case lid corner piece connecting piece (12) that correspond case lid corner piece installing port (25) in each case lid corner piece installing port (25), set up the case along the corner of borduring piece installing port (34) on the case edge (3), each case can support the case along connecting piece (31) that corresponds case along borduring piece installing port (34) equal detachably installation.

2. A box based on built-in corner fittings according to claim 1, characterized in that: the box body corner wrapping connecting piece (11) comprises a box body reinforcing connecting part (11a) and a box body compression-resisting lug (11b) matched with the box body corner wrapping piece mounting opening (14), and the box body reinforcing connecting part (11a) is circumferentially arranged around the box body compression-resisting lug (11b) and can be fixed on the outer wall of the box body (1); the box body compression-resistant bump (11b) is convexly formed on the concave side of the box body corner wrapping connecting piece (11) and embedded in the box body corner wrapping piece mounting opening (14).

3. A box based on built-in corner fittings according to claim 1, characterized in that: the box cover corner wrapping connecting piece (12) comprises a box cover reinforcing connecting part (12a) and a box cover compression-resisting lug (12b) matched with the box cover corner wrapping piece mounting opening (25), and the box cover reinforcing connecting part (12a) is circumferentially arranged around the box cover compression-resisting lug (12b) and can be fixed on the outer wall of the box cover (2); the box cover compression-resistant bump (12b) is convexly formed on the concave side of the box cover corner-wrapping connecting piece (12) and is embedded in the box cover corner-wrapping piece mounting opening (25).

4. A box based on built-in corner fittings according to claim 1, characterized in that: the box is followed (3) and is included a plurality of overlap joint straight plates that connect along connecting piece (31) through the case, the overlap joint straight plate includes middle connecting plate (32a) that is on a parallel with the bottom of the case, the inboard of middle connecting plate (32a) is towards the direction bending type that is close to case lid (2) and is formed inside fixed plate (32b), the outside is towards the direction bending type that is close to the bottom of the case and is formed outside fixed plate (32c), outside fixed plate (32c) are fixed on the outer wall of box (1), the case is followed connecting piece (31) and is included outside connecting portion (31c) that suits with outside fixed plate (32c), middle support portion (31a) that suits with middle connecting plate (32a) and inside connecting portion (31b) that suits with inside fixed plate (32b), outside connecting portion (31c) are connected with outside fixed plate (32c), inside connecting portion (31b) are connected with inside fixed plate (32b), the intermediate support portion (31a) supports the intermediate connection plate (32 a).

5. A box based on built-in corner fittings according to claim 4, characterized in that: the middle supporting part (31a) is provided with a sunken groove (31a1) corresponding to the middle connecting plate (32a), and the end part of the middle connecting plate (32a) can be lapped in the sunken groove (31a1) for positioning the installation position of the box along the connecting piece (31).

6. A box based on built-in corner fittings according to claim 4, characterized in that: the end part of the inner side connecting part (31b) corresponding to the inner side fixing plate (32b) is provided with a clamping groove (31b1), and the inner side fixing plate (32b) can be inserted and fixed in the clamping groove (31b 1).

7. A box based on built-in corner fittings according to claim 4, characterized in that: the outer side connecting portion (31c) is provided with a binding piece mounting hole (31c1), the outer side fixing plate (32c) is provided with a plurality of box edge mounting holes (32c1) matched with the binding piece mounting hole (31c1), and the box edge connecting piece (31) and the box edge (3) sequentially penetrate through the binding piece mounting hole (31c1) and the box edge mounting hole (32c1) through fasteners and then are locked on the outer wall of the box body (1).

8. A box based on built-in corner fittings according to claim 1, characterized in that: the middle connecting plate (32a) is fixedly provided with an annular sealing element (33), a sealing groove (33a) is formed in the circumferential direction of the outer edge of the sealing element (33), the bottom edge of the box cover (2) extends towards the inner side to form a butt joint part (24) matched with the sealing groove (33a), and the butt joint part (24) can be embedded into the sealing groove (33a) in an interference fit mode to seal the box body (1).

9. A box based on built-in corner fittings according to claim 8, characterized in that: the sealing element (33) is made of elastic material.

10. A box based on built-in corner fittings according to claim 1, characterized in that: box (1) is including last box (12) and lower box (13), go up box (12) including the preceding boxboard (12a) of vertical setting and left boxboard (12b) and right boxboard (12c) that same thickness direction bending type formed are followed to preceding boxboard (12a) both sides, box (13) enclose to form the open cuboid box-shaped structure in upper portion including lower boxboard (13b) that transversely set up and back boxboard (13a) that upwards extends from lower boxboard (13b) one side edge down, preceding boxboard (12a), left boxboard (12b), right boxboard (12c), back boxboard (13a) and lower boxboard (13 b).

Technical Field

The invention relates to the technical field of box body wrap angles, in particular to a box based on an embedded wrap angle connecting piece.

Background

Set up the cornerite on the corner of traditional case usually and consolidate the overall structure of box, make the structure of case more firm, can prevent effectively that the connection structure disconnection that leads to the boxboard because of the collision from scattering, it installs the cornerite piece on the case corner and stabilizes through taut each boxboard, comparatively outstanding tensile strength has, when two adjacent boxboards warp because of the collision along opposite direction, cornerite piece can taut boxboard stop its deformation, but the compressive strength because of cornerite piece is not enough, when two boxboards extrusion deformation relatively, cornerite piece just produces pressure deformation easily, thereby can't protect box itself effectively, the life of giving people has led to the fact unnecessary troublesome, consequently, it becomes for the important problem with the more stable cornerite case of tensile strength to provide a compressive strength.

Disclosure of Invention

According to the defects of the prior art, the invention provides a box based on an embedded cornerite connecting piece, and the main purpose of the box is to embed the cornerite connecting piece into a corresponding cornerite mounting opening, so that the technical problem that the pressure resistance of a box body is insufficient is solved, and the overall stability of the box is effectively improved.

According to the problems to be solved, the following technical scheme is provided:

the invention provides a case based on an embedded cornerite connecting piece, which comprises a case body, a case edge annularly fixed at an opening of the case body, and a case cover hinged on the case edge, wherein the corner of the case body is provided with a case cornerite mounting opening, each case cornerite mounting opening is detachably provided with a case cornerite connecting piece capable of supporting the corresponding case cornerite mounting opening, the corner of the case cover is provided with a case cover cornerite mounting opening, each case cover cornerite mounting opening is detachably provided with a case cover cornerite connecting piece capable of supporting the corresponding case cover cornerite mounting opening, the corner of the case edge is provided with a case edge cornerite mounting opening, and each case edge cornerite mounting opening is detachably provided with a case edge connecting piece capable of supporting the corresponding case edge cornerite mounting opening; the connecting pieces support the corresponding mounting openings to provide pressure resistance for the integral structure of the box, so that when the connecting pieces are subjected to pressure along the corners, the connecting pieces can be effectively prevented from generating pressure deformation and losing the protection effect on the box.

Furthermore, the box body corner wrapping connecting piece comprises a box body reinforcing connecting part and a box body compression-resisting lug which is matched with the box body corner wrapping piece mounting opening, and the box body reinforcing connecting part is circumferentially arranged around the box body compression-resisting lug and can be fixed on the outer wall of the box body; the box body compression-resistant lug is convexly formed on one side of the inward recess of the box body corner wrapping connecting piece and is embedded in the box body corner wrapping piece mounting opening; this structure has kept the structure of traditional cornerite spare, has increased the resistance to compression lug in its inboard, can promote the crushing resistance and the pull resistance of box simultaneously, has synthesized the steadiness that has promoted the case effectively.

Furthermore, the box cover corner wrapping connecting piece comprises a box cover reinforcing connecting part and a box cover compression-resisting lug matched with the box cover corner wrapping piece mounting opening, and the box cover reinforcing connecting part is circumferentially arranged around the box cover compression-resisting lug and can be fixed on the outer wall of the box cover; the box cover compression-resistant lug is convexly formed on one concave side of the box cover wrap angle connecting piece and is embedded in the box cover wrap angle piece mounting opening; this structure has kept the structure of traditional cornerite spare, has increased the resistance to compression lug in its inboard, can promote the crushing resistance and the pull resistance of case lid simultaneously, has synthesized the steadiness that has promoted the case effectively. .

Furthermore, the box edge comprises a plurality of lap joint straight plates which are connected through a box edge connecting piece, each lap joint straight plate comprises a middle connecting plate which is parallel to the box bottom, the inner side of each middle connecting plate is bent towards the direction close to the box cover to form an inner side fixing plate, the outer side of each middle connecting plate is bent towards the direction close to the box bottom to form an outer side fixing plate, each outer side fixing plate is fixed on the outer wall of the box body, each box edge connecting piece comprises an outer side connecting part which is matched with the outer side fixing plate, a middle supporting part which is matched with the middle connecting plate and an inner side connecting part which is matched with the inner side fixing plate, the outer side connecting parts are connected with the outer side fixing plates, the middle supporting parts are connected with the inner side fixing plates, the middle supporting parts are used for supporting the middle connecting plates, the structure of the box edge can be attached to the upper edge of the box body, the structure of the box edge connecting piece corresponds to each part of the box edge one to one, and the installation position of the box edge connecting piece can be quickly positioned, and the box edge connecting piece are mutually stable to ensure the firmness of the mounting structure.

Furthermore, the middle supporting part is provided with a sinking groove corresponding to the middle connecting plate, and the end part of the middle connecting plate can be lapped in the sinking groove and is used for positioning the mounting position of the box along the connecting piece; the sinking groove is arranged to quickly determine the mounting position of the tank along the connecting piece.

Furthermore, a clamping groove is formed in the end part, corresponding to the inner side fixing plate, of the inner side connecting part, and the inner side fixing plate can be inserted and fixed into the clamping groove; the box edge and the box edge connecting piece can be mutually stable, so that the mounting structure of the box edge and the box edge connecting piece is more reliable.

Furthermore, the outer side connecting part is provided with an edge covering piece mounting hole, the outer side fixing plate is provided with a plurality of box edge mounting holes matched with the edge covering piece mounting hole, and the box edge connecting piece and the box edge sequentially penetrate through the edge covering piece mounting hole and the box edge mounting hole through fasteners and then are locked on the outer wall of the box body; the structure can provide tensile capacity for the box edge, and effectively prevents the box edge from generating scattered frames or damage of the connecting structure when bearing opposite acting force.

Furthermore, an annular sealing element is fixedly arranged on the middle connecting plate, a sealing groove is circumferentially formed in the outer edge of the sealing element, the bottom edge of the box cover extends towards the inner side direction to form a butt joint part matched with the sealing groove, and the butt joint part can be embedded into the sealing groove in an interference fit manner to seal the box body; the sealing structure adopts a buckle type, not only is effective sealing achieved, but also the opening and closing of the box cover are facilitated.

Further, the sealing element is made of elastic material; the box cover can be deformed by opening or closing, and when the sealing structure is damaged, the annular sealing element is replaced.

Further, the box body comprises an upper box body and a lower box body, the upper box body comprises a vertically arranged front box plate and a left box plate and a right box plate which are formed by bending two sides of the front box plate along the same thickness direction, the lower box body comprises a transversely arranged lower box plate and a rear box plate which extends upwards from one side edge of the lower box plate, and the front box plate, the left box plate, the right box plate, the rear box plate and the lower box plate are enclosed to form a cuboid box-shaped structure with an upper opening; the structure can reduce the connecting positions of the box bodies connected in a welding or other mode, and effectively strengthens the firmness of the box bodies.

Compared with the prior art, the invention has the beneficial effects that:

according to the technical scheme, the installation openings are reserved or formed in the corners of the box body, the box cover and the box edge, the corner wrapping connecting piece and the edge wrapping connecting piece are embedded into the corresponding installation openings, the tensile capacity of the box can be improved through the corner wrapping connecting piece and the edge wrapping connecting piece, good compression resistance can be provided for the box through the embedded parts, meanwhile, the adjacent corners of the box body are connected through the detachable installation connecting piece, the integral structure of the box can be reinforced, and compared with the corner wrapping piece integrally formed on the box body, the complexity of a manufacturing process can be reduced, the manufacturing cost is reduced, the box is convenient to replace when the part is damaged, and the service life of the box is effectively prolonged.

Drawings

FIG. 1 is a schematic perspective view of a box based on an embedded wrap angle connector according to the present invention;

FIG. 2 is a schematic structural view of the positions of the connecting member mounting openings in the embodiment;

FIG. 3 is a schematic structural diagram of a corner-wrapping connector of the case in the embodiment;

FIG. 4 is a schematic structural diagram of a case cover corner-wrapping connector in an embodiment;

FIG. 5 is a schematic view showing the structure of a tank edge connector in the embodiment;

FIG. 6 is a schematic structural view of a case edge in the embodiment;

FIG. 7 is a schematic structural view of the case in the embodiment;

FIG. 8 is a schematic structural view of the case cover in the embodiment;

FIG. 9 is an installation view of the tank rim of FIG. 2;

FIG. 10 is an enlarged view of portion A of FIG. 9;

fig. 11 is an installation view of the seal of fig. 10.

Detailed Description

The present invention will be further described with reference to the following examples and the accompanying drawings.

Referring to fig. 1 to 4, the invention provides a box based on an embedded cornerite connecting piece, which comprises a box body 1 and a box cover 2 capable of being covered on the box body 1, wherein a box edge 3 is fixed on the edge of the top of the box body 1, the box edge 3 is positioned between the box body 1 and the box cover 2, the box cover 2 is hinged on one side of the box edge 3 and can cover the upper opening of the box body 1, a sealing piece 33 is fixedly arranged on the top of the box edge 3, mounting openings are respectively reserved on the corners of the box body 1, the box cover 2 and the box edge 3, the mounting openings are respectively a box cornerite mounting opening 14, a box cornerite mounting opening 25 and a box edge bordure mounting opening 34, a box cornerite connecting piece 11 capable of supporting the box cornerite mounting opening 14 is detachably mounted on the box cornerite mounting opening 14, and the box cornerite connecting piece 11 is formed by arranging a thin sheet-shaped reinforced connecting piece 11a around the outer ring and an anti-strength connecting piece 11a arranged in the middle of the cornerite connecting piece 11a positioned on the inner side of the cornerite connecting piece 11a The compression-resistant lug 11b can be embedded into the mounting opening 14 of the corner wrapping piece of the box body; a box cover corner wrapping connecting piece 12 which can support the box cover corner wrapping piece mounting opening 25 is detachably mounted on the box cover corner wrapping piece mounting opening 25, the box cover corner wrapping connecting piece 12 is composed of a thin-sheet box cover reinforcing connecting part 12a arranged around an outer ring and box cover compression-resisting lugs 12b which are positioned at the inner side of the box cover corner wrapping connecting part 12 and arranged in the middle of each box cover reinforcing connecting part 12a, and the box cover compression-resisting lugs 12b can be embedded into the box cover corner wrapping piece mounting opening 25; positioning holes 5 are formed in the box body reinforcing connecting portion 11a and the box cover reinforcing connecting portion 12a, mounting holes 4 matched with the corresponding positioning holes 5 are formed in the box body 1 and the box cover 2, fasteners penetrate through the positioning holes 5 and are fixed in the corresponding mounting holes 4, the box body corner wrapping connecting pieces 11 and the box cover corner wrapping connecting pieces 12 can be mounted on the box body 1 and the box cover 2, the box body compression resisting bumps 11b and the box cover compression resisting bumps 12b can further strengthen the compression resistance of the whole structure of the box, and the sheet-shaped box body reinforcing connecting portion 11a and the box cover reinforcing connecting portion 12a have good tensile resistance; when the box is stretched in the opposite directions due to collision between two adjacent box plates, the reinforced connecting part 11a can strain the box body 1 and the box cover 2 to be deformed, so that the box can be effectively prevented from generating tensile deformation; the box body compression-resistant bumps 11b and the box cover compression-resistant bumps 12b have good compression resistance, and when the box exerts pressure in the same direction on two adjacent box plates and the box cover 2 due to collision, the compression-resistant bumps 11b can bear the pressure exerted by the collision, so that the box is ensured not to deform due to the pressure generated by the collision.

Referring to fig. 5 and 6, the box edge 3 includes a plurality of overlapped straight plates connected by box edge connectors 31, the overlapped straight plates are divided into middle connecting plates 32a parallel to the box bottom, the inner sides of the middle connecting plates 32a can be bent towards the direction close to the box cover 2 to form inner side fixing plates 32b, the outer sides can be bent towards the direction close to the box bottom to form outer side fixing plates 32c, and the outer side fixing plates 32c are fixed on the outer wall of the box body 1; a box edge binding piece mounting opening 34 is reserved or opened between two adjacent overlapped straight plates, a box edge connecting piece 31 is embedded on the box edge binding piece mounting opening 34, the box edge connecting piece 31 comprises an outer connecting part 31c corresponding to the outer fixing plate 32c, a middle supporting part 31a corresponding to the middle connecting plate 32a and an inner connecting part 31b corresponding to the inner fixing plate 32b, the outer connecting part 31c is connected with the outer fixing plate 32c, the inner connecting part 31b is connected with the inner fixing plate 32b, and the middle supporting part 31a supports the middle connecting plate 32 a.

Both sides of the outer connecting portion 31c are provided with edge-covering piece mounting holes 31c1, the outer fixing plate 32c is provided with a plurality of box edge mounting holes 32c1 side by side, after the edge-covering piece mounting holes 31c1 are overlapped with the box edge mounting holes 32c1 close to the end portion of the outer fixing plate 32c, fasteners simultaneously penetrate through the edge-covering piece mounting holes 31c1 and the box edge mounting holes 32c1, and the box edges 3 and the box edge connecting pieces 31 can be fixed on the outer wall of the box body 1.

The inner connecting portion 31b is provided with a clamping groove 31b1 corresponding to the end of the inner fixing plate 32b on both sides of the inner fixing plate 32b, and when the box edge connecting member 31 is embedded in the box edge covering member mounting opening 34, the inner fixing plate 32b can also be embedded in the clamping groove 31b1, so as to fix the box edge connecting member 31 for the second time, thereby stabilizing the mounting structure of the box edge connecting member 31.

The middle supporting part 31a is provided with a sunken groove 31a1 matched with the middle connecting plate 32a on both sides corresponding to the middle connecting plate 32a, when the box is installed in the box edge binding piece installing opening 34 along the connecting piece 31, the end part of the middle connecting plate 32a can be lapped in the sunken groove 31a1 for positioning the installing position of the box edge connecting piece 31.

Wherein, the outside connecting portion 31c can also bear the pulling force that the case edge 3 brought because of the collision equally, its inside middle supporting portion 31a can also bear the case edge because of the mutual extrusion pressure brought of collision, because of the case belongs to the piece of borduring along connecting piece 31, only two tip are fixed in the outside of case edge 3, and is not firm, consequently set up inside connecting portion 31b and carry out the secondary fastening to its case edge connecting piece 31 in the inboard of case edge connecting piece 31, its fixed knot constructs and forms the triangle-shaped structure, good stability has, further the holistic mounting structure of case edge 3 has been stabilized, the deformation or the coming off of case edge connecting piece 31 because of the collision has also been prevented effectively.

The case meets with middle support 31a along the outside connecting portion 31c of connecting piece 31, and its bottom structure encloses to close to be formed with joint groove 31d, and this joint groove 31d can lock on the edge of the uncovered department of box 1 for the mounted position of locking case edge 3 fixes it, also can make the case edge 3 difficult dislocation when being exerted the effort simultaneously.

Referring to fig. 8 to 11, an annular sealing member 33 capable of sealing with the case cover 2 in an interference fit manner is fixedly arranged on an intermediate connecting plate 32a of the case rim 3, a sealing groove 33a is circumferentially formed in an outer edge of the sealing member 33, so that the bottom edge of the case cover 2 extends inward to form an abutting portion 24 adapted to the sealing groove 33a, and when the case cover 2 is closed, the abutting portion 24 can be clamped into the sealing groove 33a to form a snap-fit sealing structure, so that an opening of the case body 1 can be sealed in the interference fit manner; the sealing element 33 is made of elastic material, so that the abutting part 24 can extrude the sealing element 33 when the box cover 2 is closed, and the abutting part 24 can be clamped in the sealing groove 33a when the sealing element 33 can be in deformation fit; use buckle seal structure, can open case lid 2 conveniently, its sealing member 33 simple structure also is more applicable to and installs on case edge 3, under the cooperation of case edge 3 and case lid 2, can accomplish very effectively with simple operation, simple structure's subassembly.

Referring to fig. 7, the box body 1 is a rectangular box-shaped structure with an open top, which is formed by splicing an upper box body 12 and a lower box body 13; the upper box body 12 comprises a front box plate 12a which is vertically arranged, and a left box plate 12b and a right box plate 12c which are formed by bending from two sides of the upper box body 12a along the same thickness direction, and the lower box body 13 comprises a rear box plate 13a which is transversely arranged, and a lower box plate 13b which is formed by extending upwards from one side of the rear box plate 13 a; the edge of the lower box body 13 is provided with a notch, and a box body corner wrapping piece mounting opening 14 is formed when the upper box body 12 is buckled on the lower box body 13; the box plates are connected in a welding mode to form an upper box body and a lower box body, and the upper box body and the lower box body are detachably mounted; the angle wrapping piece and the edge wrapping piece are fixed through a spiral fastener; the box body is more convenient to disassemble or assemble, and the detachable connection of the box plates is reduced, so that the stability of the box body can be improved, the box is more durable, and the box is not easy to be scattered; when the cornerite spare damages with the bordure spare, can only change its part can, its cornerite spare and bordure spare's mounting structure is simple, the installation of being convenient for.

Reference is made above in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described above with reference to the drawings are exemplary and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.