SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an assembly type building structure system can be convenient for install, improves assembly speed, still does benefit to the used repeatedly of the roof beam body, reduction in production cost.
For realizing the purpose of the utility model, the technical proposal adopted is that:
an assembly type building structure system comprises an upright post, a plurality of supporting beams which are arranged around the circumference of the upright post and are horizontally arranged in an inclined manner, a first connecting device used for connecting the upright post and the supporting beams, a plurality of cross beams which are arranged around the circumference of the upright post and correspond to the supporting beams one by one, and a second connecting device used for connecting the upright post and the cross beams, wherein the first connecting device comprises a first fixing sleeve sleeved outside the upright post and detachably connected with the upright post, and a first connecting piece which corresponds to the supporting beams one by one, the first connecting piece is fixed on the outer wall of the first fixing sleeve, the supporting beams are provided with through cavities, one end of each supporting beam is sleeved outside the first connecting piece and detachably connected with the first connecting piece, the other end of each supporting beam inclines downwards and extends, the second connecting device comprises a second fixing sleeve sleeved outside the upright post and detachably connected with the upright post, and a second connecting piece used for connecting the cross beams, the, the second connecting piece is provided with a second mounting groove in one-to-one correspondence with the cross beam, one end of the cross beam is inserted into the second mounting groove and is detachably connected with the second connecting piece, the other end of the cross beam is connected with the corresponding supporting beam, and the second fixing sleeve is positioned below the first fixing sleeve.
During the installation, insert first fixed cover and second fixed cover with the stand and fix in, overlap the one end of a beam outside first connecting piece and fix again, insert the one end of crossbeam in the second mounting groove of second connecting piece and fix, the other end is connected fixedly with a beam, supports a beam, strengthens the bulk strength of this structural system. A plurality of corbels are fixed on the stand and are realized dismantling and unload the connection through this first connecting device, and a plurality of crossbeams are fixed on the stand and are realized dismantling and unload the connection through this second connecting device, can not influence the intensity of the roof beam body, and easy operation, and the installation rate is fast, even structural change also can dismantle the regulation again and can not make original roof beam body scrap, and is nimble changeable, also does benefit to the used repeatedly of the roof beam body, reduction in production cost.
The technical scheme is further explained as follows:
furthermore, the first connecting piece comprises a first connecting plate and a second connecting plate which are horizontally arranged in an inclined mode and are arranged in a vertically opposite parallel mode, and the first connecting plate and the second connecting plate are inserted into the support beam and attached to the inner wall of the support beam.
Further, the support beam is provided with a first connecting hole, the first connecting plate and the second connecting plate are respectively provided with a first connecting hole matched with the first connecting hole, and the support beam is sleeved outside the first connecting piece and is matched and connected with the first connecting piece through the first connecting hole, the first connecting hole and the screw rod. During installation, the screw rod passes first through-hole, the first butt joint hole on the first connecting plate of strutbeam top surface department, the second butt joint hole on the second connecting plate, both ends are fixed through the nut behind the first through-hole of strutbeam bottom surface department in proper order during installation, make to realize dismantling between strutbeam and the first connecting piece to be connected, and through this kind of screw rod to wearing connected mode, make to connect more stably, be difficult for droing under frequent dynamic load, make overall structure more firm.
Furthermore, the horizontal inclination angle of the first connecting plate and the second connecting plate is α, wherein α is more than or equal to 10 degrees and less than or equal to 35 degrees, so that the horizontal inclination angle of the support beam is between 10 degrees and 35 degrees, the integral strength of the structure is ensured, and the design is more reasonable.
Furthermore, the first connecting piece further comprises an inner plate fixed on the outer wall of the fixing sleeve and a side plate fixed on the same side of the first connecting plate and the second connecting plate, the first connecting plate is fixed at the upper end of the inner plate, the second connecting plate is fixed at the lower end of the inner plate, and the inner plate, the first connecting plate, the second connecting plate and the side plate are matched to form a first mounting groove. The connection between the supporting beam and the connecting piece is more stable.
The upright post is provided with two groups of second communicating holes, the axes of the first group of second communicating holes are perpendicular to the axes of the second communicating holes of the second group, the axes corresponding to the second communicating holes of the same group are parallel to each other, the first fixing sleeve is provided with two groups of first fixing holes matched with the second communicating holes, each group of first fixing holes comprises two first fixing holes which are oppositely arranged and matched with the corresponding second communicating holes, at least two groups of first connecting pieces which are oppositely arranged are arranged in pairs, each group of connecting pieces is provided with two second aligning holes which are oppositely arranged and matched with the corresponding second communicating holes on the inner plate, and the upright post is sleeved in the fixing sleeve and is matched and connected with the first fixing sleeve through the second communicating holes, the first fixing holes, the second aligning holes and the screw rods. During the installation, the screw rod passes second butt joint hole on the inner panel, first fixed orifices on the first fixed cover in proper order, the second intercommunicating pore on the stand, another first fixed orifices on the first fixed cover, both ends are fixed through the nut behind the second butt joint hole on another inner panel, make to realize dismantling between stand and the first fixed cover and be connected, and through this kind of screw rod to wearing the connected mode, make to connect more stably, be difficult for droing under frequent dynamic load, make overall structure more firm.
Further, the second connecting piece still includes first connection pad and the second connection pad that the cover was located the fixed cover of second and set up relatively, and the cooperation forms the installation ring mouth around the fixed cover circumference of second and arranges between first connection pad and the second connection pad, is formed with a plurality of second mounting grooves in the installation ring mouth.
Furthermore, the crossbeam is provided with a third communicating hole, the position of each second mounting groove corresponding to the first connecting disc is provided with a first connecting hole matched with the third communicating hole, the second connecting disc is provided with second connecting holes which are in one-to-one correspondence with the first connecting holes and are arranged oppositely, and the crossbeam is inserted into the second mounting groove and is matched and connected with the first connecting disc and the second connecting disc through the third communicating hole, the first connecting holes, the second connecting holes and the screw rods. During the installation, both ends are fixed through the nut after the screw rod passes first connecting hole on the first connection pad, the third intercommunicating pore on the crossbeam and the second connecting hole on the second connection pad in proper order, make and realize dismantling the connection between crossbeam and first connection pad, the second connection pad, and through this kind of screw rod to wearing the connected mode, make the connection more stable, be difficult for droing under frequent dynamic load, make overall structure more firm.
Furthermore, the first connecting disc is provided with a reinforcing plate at a position between two adjacent second mounting grooves, and the reinforcing plate is arranged on one side of the first connecting disc back to the second connecting disc and connected with the second fixing sleeve. The connection strength of the second fixing sleeve and the first connecting disc is enhanced through the reinforcing plate, so that the integral structure is more stable.
Further, the stand is equipped with two sets of fourth intercommunicating pores, and the fourth intercommunicating pore axis of first group arranges with the fourth intercommunicating pore axis of second group is perpendicular, and the axis parallel arrangement that corresponds with the fourth intercommunicating pore of group is equipped with two sets of second fixed orificess with fourth intercommunicating pore complex on the fixed cover of second, and every group includes the second fixed orifices of two relative settings, and the stand embolias in the fixed cover of second and is connected with the fixed cover cooperation of second through fourth intercommunicating pore, second fixed orifices and screw rod.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses an insert the stand and fix in first fixed cover and the fixed cover of second, insert the one end of strutbeam in the first mounting groove of first connecting piece and fix again, insert the one end of crossbeam in the second mounting groove of second connecting piece and fix, the other end is connected fixedly with the strutbeam, supports the strutbeam, strengthens the bulk strength of this structure system. A plurality of corbels are fixed on the stand and are realized dismantling and unload the connection through this first connecting device, and a plurality of crossbeams are fixed on the stand and are realized dismantling and unload the connection through this second connecting device, can not influence the intensity of the roof beam body, and easy operation, and the installation rate is fast, even structural change also can dismantle the regulation again and can not make original roof beam body scrap, and is nimble changeable, also does benefit to the used repeatedly of the roof beam body, reduction in production cost.
Drawings
FIG. 1 is a schematic structural view of a fabricated building structure system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a first connecting device according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a first fixing sleeve according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second connecting device according to an embodiment of the present invention.
Description of reference numerals:
10. the first connecting plate is provided with a column, 110, a second connecting hole, 120, a fourth connecting hole, 20, a support beam, 210, a first connecting hole, 30, a first connecting device, 310, a first fixing sleeve, 311, a first fixing hole, 320, a first connecting piece, 321, a first mounting groove, 322, a first connecting plate, 323, a second connecting plate, 324, a first connecting hole, 325, an inner plate, 326, a side plate, 327, a second connecting hole, 40, a cross beam, 410, a third connecting hole, 50, a second connecting device, 510, a second fixing sleeve, 520, a second connecting piece, 521, a second mounting groove, 522, a first connecting plate, 5221, a first connecting hole, 523, a second connecting plate, 5231, a second connecting hole, 530, a reinforcing plate and 60 locking plates.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings:
as shown in fig. 1 to 4, an assembly type building structure system includes a vertical column 10, a plurality of support beams 20 arranged around the vertical column 10 in a circumferential direction and horizontally inclined, a first connecting device 30 for connecting the vertical column 10 and the support beams 20, a plurality of cross beams 40 arranged around the vertical column 10 in a circumferential direction and corresponding to the support beams 20 one to one, and a second connecting device 50 for connecting the vertical column 10 and the cross beams 40, wherein the first connecting device 30 includes a first fixing sleeve 310 sleeved outside the vertical column 10 and detachably connected to the vertical column 10, and a first connecting member 320 corresponding to the support beams 20 one to one, the first connecting member 320 is fixed to an outer wall of the first fixing sleeve 310, the support beams 20 are provided with a through cavity, one end of the support beams 20 is sleeved outside the first connecting member 30 and detachably connected to the first connecting member 30, the other end thereof extends in a downward inclined manner, and the second connecting device 50 includes a second fixing sleeve 510 sleeved outside the vertical column 10 and detachably connected to the vertical column 10, And the second connecting piece 520 is used for connecting the cross beam 40, the second connecting piece 520 is fixed on the outer wall of the second fixing sleeve 510, the second connecting piece 520 is provided with second mounting grooves 521 which are in one-to-one correspondence with the cross beam 40, one end of the cross beam 40 is inserted into the second mounting grooves 521 and is detachably connected with the second connecting piece 520, the other end of the cross beam 40 is connected with the corresponding support beam 20, and the second fixing sleeve 510 is positioned below the first fixing sleeve 310.
During installation, the upright post 10 is inserted into the first fixing sleeve 310 and the second fixing sleeve 510 for fixing, one end of the support beam 20 is sleeved outside and fixed to the first connecting piece 320, one end of the cross beam 40 is inserted into the second mounting groove 521 of the second connecting piece 520 for fixing, the other end of the cross beam is connected and fixed to the support beam 20, the support beam 20 is supported, and the overall strength of the structural system is enhanced. A plurality of corbels 20 are fixed on stand 10 and are realized dismantling and unload the connection through this first connecting device 30, and a plurality of crossbeams 40 are fixed on stand 10 and are realized dismantling and unload the connection through this second connecting device 50, can not influence the intensity of the roof beam body, and easy operation, the installation rate is fast, even structural change also can dismantle the regulation again and can not make original roof beam body scrap, and is nimble changeable, also does benefit to the used repeatedly of the roof beam body, reduction in production cost.
In this embodiment, as shown in fig. 1 to 4, the cross sections of the first fixing sleeve 310 and the second fixing sleeve 510 are regular octagon, and both are integrally formed structures, each side of the first fixing sleeve 310 corresponds to one first connecting member 320, each side of the second fixing sleeve 510 corresponds to one second connecting member 520, the upright column 10, the support beam 20 and the cross beam 40 are all made of aluminum, the upright column 10 is a cylinder, and the support beam 20 and the cross beam 40 are square beams, so that the cylinder is simultaneously connected with the eight support beams 20 and the eight cross beams 40, and the overall installation efficiency of the building is further improved. The fixing sleeve can be set into other shapes such as a circle according to actual needs, and the number of the first connecting pieces 320 and the second connecting pieces 520 can be set into more than two according to actual needs.
As shown in fig. 2, the first connecting member 320 includes a first connecting plate 322 and a second connecting plate 323, which are horizontally inclined and vertically arranged in parallel, and the first connecting plate 322 and the second connecting plate 323 are inserted into the support beam 20 and attached to the inner wall of the support beam 20. The first connecting plate 322 and the second connecting plate 323 are both horizontally and obliquely arranged and are parallel to each other, so that the support beam 20 is obliquely sleeved outside the first connecting plate 322 and the second connecting plate 323, and the support beam 20 is horizontally and obliquely arranged and fixed on the upright post 10.
In this embodiment, the horizontal inclination angle α of the first connecting plate 322 and the second connecting plate 323 is 35 °, wherein α can be set between 10 ° and 35 °, so as to ensure the overall strength of the structure and make the design more reasonable.
As shown in fig. 2, the support beam 20 is provided with a first through hole 210, the first connection plate 322 and the second connection plate 323 are respectively provided with a first connection hole 324 matched with the first through hole 210, and the support beam 20 is sleeved outside and inside the first connection member 30 and is matched and connected with the first connection member 320 through the first through hole 210, the first connection hole 324 and a screw (not shown in the drawing). During installation, the screw rod sequentially passes through the first connection hole 210 on the top surface of the support beam 20, the first connection hole 324 on the first connection plate 322, the second connection hole 327 on the second connection plate 323, and the rear two ends of the first connection hole 210 on the bottom surface of the support beam 20, and is fixed by nuts. The corbel 20 can also be inserted into the first mounting groove 321 formed between the first connecting plate 322 and the second connecting plate 323 according to actual requirements, the screw rod sequentially passes through the first butt hole 324 on the first connecting plate 322 during mounting, the first through hole 210 of the corbel 20 and the second butt hole 327 on the second connecting plate 323 are fixed by nuts, so that the detachable connection between the corbel 20 and the first connecting piece 320 is realized, and the screw rod is in butt-through connection, so that the connection is more stable, the corbel is not easy to fall off under frequent dynamic load, and the whole structure is more stable.
In the present embodiment, there are two first connection holes 210, and the first connection plate 322 and the second connection plate 323 also have two first connection holes 324, respectively, and the first connection holes 324 are circular holes. The first connecting hole 210 can be further provided with more than one according to actual needs, the first connecting holes 324 on the first connecting plate 322 and the second connecting plate 323 can also be provided with more than one according to actual needs, and the first connecting holes 324 can also be provided with waist-shaped holes according to actual needs, so that the mounting alignment of the support beam 20 and the first connecting piece 320 is facilitated, and the mounting efficiency is higher.
As shown in fig. 2, the first connecting member 320 further includes an inner plate 325 fixed to the outer wall of the first fixing sleeve 310, and a side plate 326 fixed to the same side of the first connecting plate 322 and the second connecting plate 323, the first connecting plate 322 is fixed to the upper end of the inner plate 325, the second connecting plate 323 is fixed to the lower end of the inner plate 325, the first connecting plate 322, the second connecting plate 323, and the side plate 326 cooperate to form first mounting slots 321, and a notch of each first mounting slot 321 faces the side plate 326 of the adjacent first connecting member 320, so that the connection between the support beam 20 and the first connecting member 320 is more stable. The inner plate 325 is fixed to an outer wall of the fixing groove by welding.
As shown in fig. 2 and 3, the pillar 10 is provided with two sets of second communication holes 110, each set including two second communication holes 110 arranged at intervals up and down, the axes of the second communication holes 110 of the first set being arranged perpendicular to the axes of the second communication holes 110 of the second set; the first fixing sleeve 310 is provided with two groups of first fixing holes 311 matched with the second communication holes 110, the axes of the first fixing holes 311 of the first group are perpendicular to the axes of the first fixing holes 311 of the second group, and each group of first fixing holes 311 comprises two first fixing holes 311 which are oppositely arranged and matched with the corresponding second communication holes 110; the first connecting members 320 arranged in pairs have four sets, wherein the inner plates 325 of two sets of the first connecting members 320 are provided with two second aligning holes 327 arranged in an opposite manner and matched with the corresponding second communication holes 110, and the inner plates 325 of the other two sets of the first connecting members 320 are not provided with the second aligning holes 327. The upright post 10 is sleeved in the fixed sleeve and is connected with the fixed sleeve in a matching way through the second communicating hole 110, the first fixed hole 311, the second aligning hole 327 and the screw. During the installation, the screw rod passes second butt joint hole 327 on the inner panel 325 in proper order, first fixed orifices 311 on the first fixed cover 310, second intercommunicating pore 110 on the stand 10, another first fixed orifices 311 on the first fixed cover 310, both ends are fixed through the nut behind the second butt joint hole 327 on another inner panel 325, make and realize dismantling the connection between stand 10 and the first fixed cover 310, and through this kind of screw rod to wearing connected mode, make the connection more stable, be difficult for droing under frequent dynamic load, make overall structure more firm. The pillar 10 may also be provided with at least one set of the second communication holes 110 according to actual needs, and each set includes at least more than one second communication hole 110.
In this embodiment, the first fixing hole 311 and the second aligning hole 327 are both circular holes, and the first fixing hole 311 and the second aligning hole 327 can also be set as waist-shaped holes according to actual needs, so that the upright post 10 and the first fixing sleeve 310 can be more conveniently aligned, and the installation efficiency is higher. The first fixing sleeve 310 and the first connecting member 320 are made of stainless steel, so that the material is prevented from rusting, the service life of the first connecting device 30 is prolonged, and the stability of the building structure is ensured.
As shown in fig. 4, the second connecting member 520 further includes a first connecting plate 522 and a second connecting plate 523 sleeved on the second fixing sleeve 510 and disposed opposite to each other, a plurality of second mounting slots 521 circumferentially disposed around the second fixing sleeve 510 are formed between the first connecting plate 522 and the second connecting plate 523, the second mounting slots 521 correspond to the cross beam 40 one by one, the second mounting slots 521 are mutually communicated and matched to form a ring slot, one end of the cross beam 40 is inserted into the second mounting slot 521 and detachably connected to the first connecting plate 522 and the second connecting plate 523, the other end is connected to the lower side of the support beam 20, locking plates 60 are disposed on two sides of the connection position between the cross beam 40 and the support beam 20, locking holes (not shown in the drawings) are respectively disposed between the cross beam 40 and the locking plates 60, and between the support beam 20 and the locking plates 60 and are connected to each other by screws, so that the connection between the support beam 20 and the cross beam 40 is more stable, the overall structural strength is higher.
In the present embodiment, as shown in fig. 4, the first connecting disc 522 and the second connecting disc 523 are both flat plates and are suitable for mounting the cross beam 40 arranged perpendicular to the column 10, the first connecting disc 522 and the second connecting disc 523 may also be set to be conical disc-shaped according to actual needs, a conical space is formed between the first connecting disc 522 and the second connecting disc 523 in a matching manner, the cone uses the axis of the column 10 as an axis, and the cross beam 40 is inserted between the first connecting disc 522 and the second connecting disc 523 and is arranged obliquely to the column 10.
As shown in fig. 4, the cross member 40 is provided with a third communication hole 410, the first connection plate 522 is provided with a first connection hole 5221 matched with the first connection hole 210 at a position corresponding to each installation position, the second connection plate 523 is provided with a second connection hole 5231 corresponding to and opposite to the first connection hole 5221 one by one, and the cross member 40 is inserted into the second installation groove 521 and is matched and connected with the first connection plate 522 and the second connection plate 523 through the third communication hole 410, the first connection hole 5221, the second connection hole 5231 and a screw. During the installation, both ends are fixed through the nut after the screw rod passes first connecting hole 5221 on first connection pad 522, third intercommunicating pore 410 on crossbeam 40 and second connecting hole 5231 on second connection pad 523 in proper order, make and realize dismantling the connection between crossbeam 40 and first connection pad 522, the second connection pad 523, and through this kind of screw rod to wearing connected mode, make the connection more stable, be difficult for droing under frequent dynamic load, make overall structure more firm.
In this embodiment, each second mounting groove 521 is correspondingly provided with four first connection holes 5221 and four second connection holes 5231, and the four first connection holes 5221 and the four second connection holes 5231 are arranged in a square shape, so that the connection between the beam of the cross beam 40 and the first connection plate 522 and the second connection plate 523 is further stable. The four first connection holes 5221 and the four second connection holes 5231 may also be arranged in other manners such as circular shapes according to actual requirements, and more than one first connection hole 5221 and one second connection hole 5231 corresponding to each second mounting groove 521 may also be arranged according to actual requirements.
As shown in fig. 4, the first connecting plate 522 is provided with a reinforcing plate 530 at a position between two adjacent positions of the second mounting groove 521, and the reinforcing plate 530 is disposed on a side of the first connecting plate 522 facing away from the second connecting plate 523 and connected to the second fixing sleeve 510. The reinforcing plate 530 is used for reinforcing the connection strength between the second fixing sleeve 510 and the first connecting plate 522, so that the overall structure is more stable.
In this embodiment, the reinforcing plate 530 is a triangular plate, and the reinforcing plate 530 may be provided in other shapes according to actual needs.
As shown in fig. 4, the upright post 10 is provided with a fourth communication hole 120, the second fixing sleeve 510 is provided with two second fixing holes 511 which are oppositely arranged and matched with the fourth communication hole 120, and the upright post 10 is sleeved in the second fixing sleeve 510 and is matched and connected with the second fixing sleeve 510 through the fourth communication hole 120, the second fixing hole and a screw. During the installation, the screw rod passes second fixed orifices on the fixed cover 510 of second in proper order, and the fourth intercommunicating pore 120 on the stand 10 and another second fixed orifices back both ends on the fixed cover 510 of second are fixed through the nut, make and realize dismantling the connection between stand 10 and the fixed cover 510 of second, and through this kind of screw rod to passing the connected mode, make the connection more stable, be difficult for droing under frequent dynamic load, make overall structure more firm.
In this embodiment, two sets of second fixing holes are disposed on the second fixing sleeve 510, each set of second fixing holes has two pairs of second fixing holes disposed oppositely, the axes corresponding to the two sets of second fixing holes are arranged in a crossed manner, and the axes corresponding to the second fixing holes of the same set are disposed in parallel, so that the connection between the upright post 10 and the second fixing sleeve 510 is more stable, and the overall strength is enhanced.
As shown in fig. 4, the first connecting plate 522 and the second connecting plate 523 are disposed in parallel, the second connecting plate 523 is sleeved below the second fixing sleeve 510 and is flush with the end portion, the first connecting plate 522 is sleeved in the middle of the second fixing sleeve 510, the reinforcing plate 530 is disposed on the first connecting plate 522 and is located on a side facing away from the second connecting plate 523, and two sets of second fixing holes are disposed above the reinforcing plate 530. The second connecting device 50 has a reasonable overall design, prevents the mutual interference of all positions during installation, facilitates the installation and improves the installation efficiency. The first connecting disc 522 and the second connecting disc 523 can also be obliquely and oppositely arranged according to actual needs, so that different cross beams 40 which are arranged around the circumference of the upright post 10 in a vertically staggered manner are connected with the upright post 10, the connecting device is suitable for connecting special-shaped components, and the application range of the connecting device is wider.
In this embodiment, the second fixing sleeve 510, the first connecting plate 522, the second connecting plate 523 and the reinforcing plate 530 are all made of stainless steel, so as to prevent the material from rusting, prolong the service life of the second connecting device 50 and ensure the stability of the whole structure.
As shown in fig. 4, the second fixing hole, the first connecting hole 5221 and the second connecting hole 5231 are round holes, and the second fixing hole, the first connecting hole 5221 and the second connecting hole 5231 can also be arranged as waist-shaped holes according to actual needs, so that the installation alignment between the cross beam 40 and the first connecting disc 522 and the second connecting disc 523 and between the upright post 10 and the second fixing sleeve 510 can be facilitated, and the installation efficiency is higher.
As shown in fig. 1, a reinforcing beam 70 is further connected between two adjacent corbels 20, so that the overall structure is more stable.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.