阅读说明：本技术 一种多功能智能工作台 (Multifunctional intelligent workbench ) 是由 王斌 郦仕云 姜发平 朱宏武 钱颖 雷文康 于 2021-08-17 设计创作，主要内容包括：本发明一种多功能智能工作台,包括多个可组装并联合工作的个体工作台,多个所述个体工作台联合之后形成可供流水线作业的智能工作台整体,多个所述个体工作台能够共用一套电气系统,所述智能工作台还包括阻尼臂,所述阻尼臂安装在至少一个个体工作台上,所述阻尼臂能够在其所安装的个体工作台的台面上方实现悬停。本发明既便于组装或者拆卸,又能实现流水线工作；方便拆卸、组装,通过简单的组装就能实现多个工作台的拼装从而形成一工作流水线。另外,本发明还能通过可调式连接座的调节方向,实现外关节臂的水平和竖直方向的移动。(The invention discloses a multifunctional intelligent workbench, which comprises a plurality of individual workbenches capable of being assembled and working in a combined mode, wherein the plurality of individual workbenches are combined to form an intelligent workbench whole body capable of being operated by a production line, the plurality of individual workbenches can share one set of electric system, the intelligent workbench further comprises a damping arm, the damping arm is installed on at least one individual workbench, and the damping arm can hover above a table top of the installed individual workbench. The invention is convenient for assembly or disassembly and can realize assembly line work; the assembling of a plurality of workbenches can be realized through simple assembling, so that a working assembly line is formed. In addition, the invention can realize the horizontal and vertical movement of the outer joint arm through the adjusting direction of the adjustable connecting seat.)

1. The utility model provides a multi-functional intelligent work platform which characterized in that: including a plurality of individual workstation that can assemble and combined work, it is a plurality of form the intelligent work platform that can supply the assembly line operation after the individual workstation is united is whole, and is a plurality of individual workstation can share one set of electrical system, intelligent work platform still includes the damping arm, the damping arm is installed on at least one individual workstation, the damping arm can realize hovering above the mesa of the individual workstation of its installation.

2. A multifunctional intelligent workbench in accordance with claim 1, wherein: individual workstation includes left table leg subassembly, right table leg subassembly, quick assembly disassembly connecting piece and table top subassembly, and left table leg subassembly and right table leg subassembly can be assembled together through the quick assembly disassembly connecting piece, and the table top subassembly can be installed on left table leg subassembly and right table leg subassembly, the damping arm can be installed on left table leg subassembly or right table leg subassembly.

3. A multifunctional intelligent workbench in accordance with claim 1, wherein: the individual workbench further comprises a two-way three-way joint with a switch, and the individual workbenches are electrically communicated with each other through the two-way three-way joint with the switch.

4. A multifunctional intelligent workbench in accordance with claim 2, wherein: the working table top assembly is provided with a conveying fluency strip, and the conveying fluency strips of the individual working tables can be arranged on the same straight line.

5. A multifunctional intelligent workbench in accordance with claim 2, wherein: the individual workbench is provided with an adjusting shaft mechanism capable of adjusting the height of the working table top components, and the adjusting shaft mechanism can enable the heights of the adjacent working table top components to be consistent.

6. A multifunctional intelligent workbench in accordance with claim 1, wherein: the damping arm comprises at least one joint shaft, at least one outer joint arm, a fixing device and a tray; the fixing device can fix the damping arm on the left table leg assembly or the right table leg assembly, and the joint shaft can adjust the rotating angle of the damping arm.

7. A multifunctional intelligent workbench according to claim 5, wherein: the tray is rotatably connected with the at least one outer joint arm through a tail end fine adjustment joint shaft, the tail end fine adjustment joint shaft comprises a tail end rotating shaft fixedly connected with the outer joint arm, a ball is arranged at the outer end of the tail end rotating shaft, a ball clamping block is arranged outside the ball, and the ball clamping block can be adjusted through a locking component.

8. A multifunctional intelligent workbench according to claim 5, wherein: the joint shaft comprises a horizontal rotating joint shaft and a vertical rotating joint shaft, and the joint shaft can be adjusted through a locking component.

9. A multifunctional intelligent workbench in accordance with claim 8, wherein: the horizontal rotating joint shaft comprises a horizontal hinge, a horizontal hinge shaft is arranged in the horizontal hinge, and a damping sleeve is arranged on the horizontal hinge shaft.

10. A multifunctional intelligent workbench in accordance with claim 8, wherein: the vertical rotating joint shaft comprises an inner joint, a vertical rotating shaft is arranged in the inner joint, and a one-way bearing is arranged on the vertical rotating shaft.

Technical Field

The invention relates to a multifunctional intelligent workbench.

Background

The workbench is common equipment in the modern production industry, and the equipment workbench is large and is provided with a plurality of equipment facilities. The working personnel can complete the operations of processing, assembling and the like of various workpieces through the workbench. However, in some industries, a small, convenient and detachable workbench is required, and not only is the workbench required to have basic functions, but also the workbench is required to be convenient, light and convenient to assemble. In order to ensure the fast running of the workpiece, the assembly line work is generally used to improve the efficiency, and therefore, a work table which can facilitate the assembly or disassembly and can also realize the assembly line work is required.

Disclosure of Invention

The invention provides a multifunctional intelligent workbench for overcoming the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a multi-functional intelligent workbench, includes a plurality of individual workstations that can assemble and combined work, and is a plurality of form the intelligent workbench that can supply the assembly line operation after individual workstation is united wholly, and is a plurality of individual workstation can share one set of electrical system, intelligent workbench still includes the damping arm, the damping arm is installed on at least one individual workstation, the damping arm can realize hovering above the mesa of the individual workstation of its installation.

Further, individual workstation includes left table leg subassembly, right table leg subassembly, quick assembly disassembly connecting piece and table top subassembly, and left table leg subassembly and right table leg subassembly can be assembled together through the quick assembly disassembly connecting piece, and the table top subassembly can be installed on left table leg subassembly and right table leg subassembly, the damping arm can be installed on left table leg subassembly or right table leg subassembly.

Furthermore, the individual workbench further comprises a two-way three-way joint with a switch, and the individual workbenches are electrically communicated with each other through the two-way three-way joint with the switch.

Furthermore, a conveying fluency strip is arranged on the work table top assembly, and the conveying fluency strips of the individual work tables can be arranged on the same straight line.

Furthermore, an adjusting shaft mechanism capable of adjusting the height of the working table top components is arranged on each working table, and the adjusting shaft mechanisms can enable the heights of the adjacent working table top components to be consistent.

Further, the damping arm comprises at least one joint shaft, at least one outer joint arm, a fixing device and a tray; the fixing device can fix the damping arm on the left table leg assembly or the right table leg assembly, and the joint shaft can adjust the rotating angle of the damping arm.

Furthermore, the tray is rotatably connected with the at least one outer joint arm through a tail end fine adjustment joint shaft, the tail end fine adjustment joint shaft comprises a tail end rotating shaft fixedly connected with the outer joint arm, a ball is arranged at the outer end of the tail end rotating shaft, a ball clamping block is arranged outside the ball, and the ball clamping block can be adjusted through a locking component.

Further, the joint shaft comprises a horizontal rotating joint shaft and a vertical rotating joint shaft, and the joint shaft can be adjusted through the locking component.

Furthermore, the horizontal rotating joint shaft comprises a horizontal hinge, a horizontal hinge shaft is arranged in the horizontal hinge, and a damping sleeve is arranged on the horizontal hinge shaft.

Furthermore, the vertical rotating joint shaft comprises an inner joint, a vertical rotating shaft is arranged in the inner joint, and a one-way bearing is arranged on the vertical rotating shaft.

In conclusion, the invention is convenient to assemble or disassemble and can realize the assembly line work; the assembling device is convenient to disassemble and assemble, and can realize the assembling of a plurality of workbenches through simple assembling so as to form a working assembly line. In addition, the horizontal and vertical movements of the outer joint arm are realized through the adjusting direction of the adjustable connecting seat; the damping between the outer joint arm and the inner joint or the horizontal hinge is controlled by manually adjusting the tightness of the locking part, so that the hovering state in the horizontal direction or the vertical direction is controlled, and the requirements of different positions are met. In addition, the ball is arranged at the fine tuning joint at the tail end of the damping arm, so that the universal fine tuning of the tray can be realized; the tightness of the screw can be adjusted, and quantitative adjustment can be completely carried out according to requirements.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of a single table structure of the present invention.

Fig. 3 is an electrical schematic of the present invention.

Fig. 4 is a front structural view of a single workbench of the invention.

FIG. 5 is a schematic view of the quick release connector and the second connector of the present invention.

Fig. 6 is a schematic structural diagram of a first connecting member according to the present invention.

Fig. 7 is a schematic structural diagram of an adjusting shaft mechanism of the present invention.

Fig. 8 is a schematic view of the adjusting shaft structure of the present invention.

Fig. 9 is a schematic view of the structure of the conveyor fluency strip and the strip mounting rack of the present invention.

Fig. 10 is a schematic view of the damping arm structure of the present invention.

Fig. 11 is a schematic view of the structure of the damping arm part 1 of the present invention.

Fig. 12 is a schematic view of the structure of the damping arm part of the present invention 2.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

As shown in fig. 1-12, a multi-functional intelligent workstation, including a plurality of individual workstations that can assemble and combined work, form the intelligent workstation that can supply the assembly line operation after a plurality of individual workstations are united whole, a set of electrical system can be shared to a plurality of individual workstations, intelligent workstation still includes damping arm, and damping arm installs on at least one individual workstation, damping arm can realize hovering above the mesa of the individual workstation of its installation. The multifunctional intelligent workbench is convenient to assemble or disassemble, can realize assembly line work after being assembled together, can be suitable for various environments, and is convenient to assemble, time-saving and labor-saving; meanwhile, the multifunctional intelligent workbench is convenient to disassemble, the workbench can be changed into a plurality of parts through simple disassembly, and packaging and transportation are facilitated. In addition, the multifunctional intelligent workbench is provided with a damping arm, and the damping arm can be arranged on the individual workbench, namely the work station needing the damping arm is arranged.

For example, the individual work tables can be separated or connected, the individual work tables can be electrically communicated with each other and can transmit workpieces, the individual work tables are electrically communicated with each other through the two-way three-way connector 12 with the switch, the individual work tables are provided with the conveying fluency strips 43 capable of transmitting the workpieces, and the two adjacent conveying fluency strips 43 can be connected with each other. The multifunctional intelligent workbench can be disassembled or assembled, and the individual workbench can be connected physically and electrically in a splicing mode. The physical connection is characterized in that the individual work tables are assembled into a production line through the connection of a mechanical structure, meanwhile, in order to ensure that the work stations can be electrified, the two-way three-way joint 12 with a switch, the air pipe 13, the three-way pipe 14, a wire and the like are communicated electrically, the mode of realizing the electrical connection through the two-way three-way joint belongs to the prior art, the mechanical connection is realized only by adopting the components, the electrical circuit principle does not need to be changed, the electrical circuit principle is not described in detail in the invention, and the part of the content can be directly adopted in the prior art. The workbench connected together is a plurality of stations, a plurality of operators are arranged, the purpose of processing workpieces by the assembly line can be realized, and the workbench is only arranged in a factory building and is not easy to move compared with the common assembly line workbench.

Individual workstation includes left table leg subassembly 1, right table leg subassembly 2, quick assembly disassembly connecting piece 3 and work desktop subassembly 4, left table leg subassembly 1 and right table leg subassembly 2 can be assembled or dismantle through quick assembly disassembly connecting piece 3, work desktop subassembly 4 can be installed on left table leg subassembly 1 and right table leg subassembly 2, left table leg subassembly 1 and right table leg subassembly 2 are provided with the support 15 that can place switch two way three way connection 12, as the preferred, the inside of workstation is provided with trachea 13, three-way pipe 14 and wire, the workstation can realize electric intercommunication through switch two way three way connection 12 and wire. When left table leg subassembly 1, right table leg subassembly 2, quick assembly disassembly connecting piece 3 and work desktop subassembly 4 are all spliced together, this workstation overall structure is the chair form, forms individual workstation, and the staff can the operation on this workstation, and rethread switch two-way three way connection 12 and trachea 13 realize electric intercommunication with individual workstation concatenation together, just can splice into the assembly line work line with individual workstation. Of course, the firing line can also be quickly disassembled. When left table leg subassembly 1, right table leg subassembly 2, quick assembly disassembly connecting piece 3 and work desktop subassembly 4 are dismantled, because each subassembly is steel frame construction more, can stack together, convenient transportation. In short, the multifunctional intelligent workbench can be transported to a required place and then simply assembled, so that a small assembly line workbench can be formed, and a plurality of workers can realize assembly line work on the workbench, thereby increasing the work efficiency.

In order to facilitate the assembly or disassembly of the multifunctional intelligent workbench, a plurality of first connecting pieces 51 are arranged on the left desk leg assembly 1 and the right desk leg assembly 2, second connecting pieces 52 are arranged at two ends of the quick assembly and disassembly connecting piece 3, the first connecting pieces 51 and the second connecting pieces 52 can be matched with each other, and the first connecting pieces 51 are lower letter hasps; the second connector 52 is a snap-on. First connecting piece 51 is fixed on left table leg subassembly 1 or right table leg subassembly 2, and 2 positions of the first connecting piece 51 of left table leg subassembly 1 and right table leg subassembly 2 are corresponding each other, first connecting piece 51 wholly presents the U line, work desktop subassembly 4 can be blocked and establish on first connecting piece 51, first connecting piece 51 includes the first connecting surface 511 of M style of calligraphy, second connecting piece 52 includes the second connecting surface 521 of M style of calligraphy, first connecting surface 511 and second connecting surface 521 can give seamless coincidence, so son also can link together first connecting piece 51 and second connecting piece 52, thereby with left table leg subassembly 1, right table leg subassembly 2 and quick assembly disassembly connecting piece 3. In addition, the second connecting member 52 preferably wraps the periphery of the end of the quick-release connecting member 3, so that when the quick-release connecting member 3 is installed, some parts of the quick-release connecting member 3 can be installed on the first connecting member 51, and the first connecting member 51 and the second connecting member 52 can be connected together, thereby making the installation more firm. In addition, the openings of the first connecting surface 511 and the second connecting surface 521 are sized, and the opening on the outer side is smaller than the opening on the inner side, so that the quick release connector 3 with the second connector 52 can be mounted on the first connector 51 more easily.

The working desktop assembly 4 comprises a desktop mounting support 41, an anti-static desktop plate 42, a conveying fluency strip 43 and a fluency strip mounting rack 44 capable of adjusting the position of the conveying fluency strip 43, wherein the fluency strip mounting rack 44 can enable two adjacent fluency strip mounting racks 44 to be positioned on the same straight line, a detachable device of the conveying fluency strip 43 is convenient for the desktop to be positioned at a simplex position, workpieces can be conveniently transmitted, and meanwhile, two adjacent conveying fluency strips 43 can be ensured to be positioned on the same straight line when being spliced together, seamless switching between the simplex position and a multistation multiplex mode is realized, the fluency strip mounting rack is made of section bars, and the position of the fluency strips on the working desktop can be adjusted. Specifically, the tabletop mounting bracket 41 is provided with a sliding groove 45, the fluency strip mounting bracket 44 can slide in the sliding groove 45, the fluency strip mounting bracket 44 comprises a fixing piece 441 fixed with the conveying fluency strip 43 and a sliding block 442 capable of sliding in the sliding groove 45, and the side surface of the sliding groove 45 is provided with a positioning bolt 46, and the positioning bolt 46 can fix the fluency strip mounting bracket 44 on the sliding groove 45. The retention bolts 46 of each work table assembly 4 are in the same position so that when the retention bolts 46 lock the transfer manifold 43, the plurality of transfer manifolds 43 are aligned to form a manifold line.

In addition, in order to ensure that the heights of the single workbenches are consistent, the left table leg assembly 1 and the right table leg assembly 2 are also provided with an adjusting shaft mechanism 9, and the adjusting shaft mechanism 9 can adjust the height of the working table top assembly 4 relative to the left table leg assembly 1 and the right table leg assembly 2, so that the heights of the multiple workbenches are consistent; the adjusting shaft mechanism 9 comprises an adjusting block 91, a pin shaft 92, an adjusting shaft 93, a bolt 94 and an eccentric sleeve 95; the adjustment shaft 93 is provided with a plurality of through holes 96 into which the pins 94 can be inserted. The adjustment block 91 can be used to support the table top mounting bracket 41 and can be inserted through a pin 94 into a different through hole 96 for the purpose of adjusting the table top assembly 4, and the eccentric bushing 95 can ensure that the adjustment shaft 93 is always in a vertical position, thereby ensuring that the table top assembly 4 is always in a horizontal position.

Table leg subassembly 1 and right table leg subassembly 2 still the symmetry be provided with section bar buckle 6, and section bar splint 7 can be installed on section bar buckle 6, is provided with the SOP billboard between two section bar splint 7, and the SOP billboard can remove at two section bar splint 7. The SOP billboard adopts the sectional material as the mounting clamping plate of the SOP billboard, so that the SOP billboard can slide relatively in the sectional material guide rail, and the operation guidance file paper can be switched conveniently in the operation.

In addition, in order to meet the operation requirement, the left leg assembly 1 and the right leg assembly 2 are further provided with a socket 10, so that the power supply requirement of an operator during operation is facilitated. In addition, left table leg subassembly 1 and the 2 bottoms of right table leg subassembly all are provided with foot cup 11, and foot cup 11 comprises screw rod and chassis usually, and the rotation through the screw thread reaches the mechanical parts commonly used of equipment altitude mixture control, also can play height-adjusting's effect, mainly is for adapting to outdoor environment, prevents because the bottom surface unevenness shines into the height nonconformity of workstation, and foot cup 11, just can play fine setting height's purpose.

The invention also comprises a damping arm 8, the damping arm 8 comprising at least one articulated shaft 81, at least one outer articulated arm 82, a fixing device 83 and a tray 84; the fixing device 83 can fix the damping arm 8 on the left leg assembly 1 or the right leg assembly 2, and the joint shaft 81 can adjust the rotation angle of the damping arm. One of the outer joint arms 82 is rotatably connected with the fixing device 83 through one of the joint shafts 81, the outer joint arm 82 can relatively rotate through the joint shaft 81, and the joint shafts 81 are damping joint shafts.

The fixing device 83 can fix the damping arm 8 on the left leg component 1 or the right leg component 2, and preferably, the fixing device 83 is a clamp; make damping arm 8 rotate to required position through manual push-and-pull damping arm 8 on, the end of damping arm is equipped with tray 84, and tray 84 can be used for putting the thing, can place required thing at tray 84, has increased operating space, has increaseed staff's work efficiency. Preferably, the tray 84 is rotatably connected to at least one outer articulating arm 82 by an end microarticulating axis 841; the end fine-adjustment joint shaft 841 comprises an end rotating shaft 842 fixedly connected with the outer joint arm 82, the outer end of the end rotating shaft 842 is provided with a ball 843, the ball 843 is externally provided with a ball clamping block 844, and the ball clamping block 844 can be adjusted through the locking component 100; the tray 84 is provided with a tray connecting piece 845 which is matched and connected with the ball clamping block 844; the ball clamping block 844 comprises a first clamping block 8441 and a second clamping block 8442, the first clamping block 8441 and the second clamping block 8442 are symmetrical to each other, a semicircular hole for placing a ball 843 is formed in the middle of the first clamping block 8441 and the second clamping block 8442, and locking component connecting holes 8443 are formed in four corners of the ball clamping block 844 respectively; the locking component 100 is adjusted to adjust the friction force of the balls between the ball clamping blocks 844 to achieve quantitative adjustment through adjusting the tightness of the ball clamping blocks 844, so that damping connection is achieved between the ball clamping blocks 844 and the balls 843, the damping size can be achieved through adjusting the tightness of the locking component 100, and therefore the tray 84 can achieve multi-angle hovering and azimuth hovering under the damping effect, shaking of the tray 84 is avoided, and manual operation is facilitated.

The joint axis 81 includes at least one horizontal rotation joint axis 811; the horizontal rotating joint shaft 811 comprises a horizontal hinge, a horizontal hinge shaft 8112 is arranged in the horizontal hinge, and a damping sleeve is arranged on the horizontal hinge shaft 8112. The horizontal hinge axis 8112 is vertically disposed compared to the horizontal hinge, and the rotation of a part of the damping arm in the horizontal direction can be realized through the horizontal rotating joint axis, of course, this horizontal direction mainly refers to the transverse rotation, and is not necessarily limited to the absolute horizontal direction. The horizontal hinge comprises a first adjustable connecting seat 8113 and a first fixing part 8114, one end of the first adjustable connecting seat 8113 is connected with the first fixing part 8114, a connecting hole connected with the tail end of the outer joint arm 82 or the fixing device 84 is arranged on the first fixing part 8144, the connecting hole is arranged at the upper end and the lower end of the first fixing part 8114, the first adjustable connecting seat 8113 is provided with a first shaft hole 8115 for placing the horizontal hinge shaft 8112 and a horizontal inserting connecting hole 8116 for adjusting tightness, the horizontal inserting connecting holes 8116 for adjusting tightness are respectively arranged at the two ends of the first adjustable connecting seat 8113, and the tightness direction between the horizontal inserting connecting holes for adjusting tightness is the horizontal direction.

In addition, the horizontal hinge 8111 can be adjusted through the locking component 100, the locking component is placed in a horizontal insertion connecting hole for adjusting tightness, the outer joint arm 82 is connected with the horizontal hinge 8111 through the horizontal hinge shaft 8112, so that the outer joint arm 82 rotates in the horizontal direction along with the rotation of the horizontal hinge shaft 8112, the pressing force between the horizontal hinge 8111 and the horizontal hinge shaft 8112 is increased through adjusting the tightness of the locking component, the damping function of the damping sleeve on the horizontal hinge shaft is increased, the outer joint arm 82 achieves the hovering effect when moving in the horizontal direction, and the outer joint arm 82 is prevented from shaking. Preferably, the horizontal hinge 8111 is provided with a washer between the connecting outer joint arm 82 and the horizontal hinge axis 8112 to reduce wear between the outer joint arm 83 and the horizontal hinge axis 8112.

The joint shaft 2 includes at least one vertical rotation joint shaft 812, and similarly, the vertical rotation joint shaft can realize the rotation of at least a part of the damping arm in the vertical direction, of course, this vertical direction mainly refers to the vertical rotation, and is not necessarily limited to the absolute vertical direction, and may also have a certain angle. The vertical rotating joint shaft 812 comprises an inner joint, a vertical rotating shaft 8121 is arranged in the inner joint, a one-way bearing is arranged on the vertical rotating shaft 8121, the one-way bearing can play a certain damping role, meanwhile, the rotating direction of the vertical rotating joint shaft can be limited, and a damping element can be added in the one-way bearing if damping needs to be increased. The outer joint arm 82 and the inner joint are fixedly connected through the vertical rotating shaft 8121, and a washer is arranged between the outer joint arm 82 and the vertical rotating shaft 8121, so that abrasion between the outer joint arm 82 and the vertical rotating shaft 8121 is reduced.

The inner joint comprises a second adjustable connecting seat 8123 and a second fixing part 8124, one end of the second adjustable connecting seat 8123 is connected with the second fixing part 8124, a connecting hole connected with the tail end of the outer joint arm 82 or the fixing device 84 is formed in the second fixing part 8124, the second adjustable connecting seat 8123 is provided with a second shaft hole 8125 for placing a vertical rotating shaft and a vertical inserting connecting hole 8126 for adjusting tightness, the vertical inserting connecting holes 8126 for adjusting tightness are respectively formed in two ends of the second adjustable connecting seat 8123, and the tightness direction between the vertical inserting connecting holes 8126 for adjusting tightness is a vertical direction; in addition, the inner joint 221 can be adjusted through the locking component 100, the locking component 100 is placed in the vertical insertion connecting hole 8126 for adjusting tightness, the outer joint arm 82 is connected with the inner joint through the vertical rotating shaft and the one-way bearing, the outer joint arm 82 can rotate in the vertical direction through downward rotation locking and upward resetting rotation loosening of the one-way bearing, damping between an inner ring of the inner joint and an outer ring of the one-way bearing on the vertical rotating shaft can be increased or reduced through adjusting the tightness of the locking component 100, the outer joint arm can achieve a hovering effect when moving in the vertical direction, and shaking of the outer joint can be avoided. Preferably, the locking feature 100 is a cross-recessed pan head screw.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.