阅读说明：本技术 一种建筑工程机械用打孔机 (Perforating machine for construction engineering machinery ) 是由 吴昊 于 2021-09-09 设计创作，主要内容包括：本发明涉及建筑工程技术领域,公开了一种建筑工程机械用打孔机,包括圆盘、机体、限位板、圆板和钻筒；所述圆盘设置在机体的右侧,机体的右侧前端表面固定有控制盒,且控制盒的内侧安装有控制器,控制盒固定在机体表面的外壳上,所述圆盘的左侧表面开设有转槽,机体的右侧贴置于圆盘的转槽内,且机体的右侧可转动的置于转槽内,机体的右侧中部连接有连杆。本发明通过在使钻筒被卡住时,限位板在弹簧的缓冲作用下,可以大幅度的减小作用至圆盘上的扭矩,进而可以有效避免对操作工人手部的作用力,避免机械伤人或者掉落的现象,在需要时还可以使机体锁定使其不会与圆盘之间发生转动,可以对机体获得更加稳定的握持效果。(The invention relates to the technical field of constructional engineering, and discloses a perforating machine for constructional engineering machinery, which comprises a disc, a machine body, a limiting plate, a circular plate and a drilling barrel, wherein the disc is provided with a hole; the disc sets up on the right side of organism, and the right side front end fixed surface of organism has the control box, and the controller is installed to the inboard of control box, and the control box is fixed on the shell on organism surface, the rotary tank has been seted up on the left side surface of disc, and the right side of organism is pasted and is arranged in the rotary tank of disc, and the rotatable rotary tank of arranging in the right side of organism, and the right side middle part of organism is connected with the connecting rod. According to the invention, when the drill cylinder is clamped, the limiting plate can greatly reduce the torque acting on the disc under the buffering action of the spring, so that the acting force on the hand of an operator can be effectively avoided, the phenomenon that the operator is injured by machinery or falls off is avoided, the machine body can be locked to prevent the machine body from rotating with the disc when needed, and a more stable holding effect can be obtained for the machine body.)

1. The perforating machine for the constructional engineering machinery is characterized by comprising a disc (1), a machine body (2), a limiting plate (3), a disc plate (4) and a drilling barrel (5); the disc (1) is arranged on the right side of the machine body (2), a control box (24) is fixed on the surface of the front end of the right side of the machine body (2), a controller is installed on the inner side of the control box (24), and the control box (24) is fixed on a shell on the surface of the machine body (2);

the rotary groove (10) is formed in the left side surface of the disc (1), the right side of the machine body (2) is attached to the rotary groove (10) of the disc (1), the right side of the machine body (2) is rotatably arranged in the rotary groove (10), a connecting rod (16) is connected to the middle of the right side of the machine body (2), the connecting rod (16) is vertically arranged on the right side surface of the machine body (2), a through hole (15) is formed in the center position of the disc (1), the through hole (15) penetrates through the left side and the right side of the disc (1), the connecting rod (16) penetrates through the right side of the disc (1) through the through hole (15), a rotating plate (9) is fixed at the tail end of the right side of the connecting rod (16), the left side of the rotating plate (9) abuts against the surface of the disc (1), holding grooves (8) are formed in the upper surface and the lower surface of the disc (1), and two holding grooves (8) are formed;

the four limiting plates (3) are uniformly distributed on the outer ring of the right side of the machine body (2), a rod groove (22) is formed in the middle of each limiting plate (3), side plates (17) are fixed on the surfaces of the discs (1) on the two sides of each limiting plate (3), the side plates (17) are vertically arranged on the surfaces of the discs (1), arc rods (18) are fixedly connected between the side plates (17) on the two sides of each limiting plate (3), each arc rod (18) penetrates through each limiting plate (3) through the rod groove (22) in each limiting plate (3), springs (19) are sleeved on the outer rings of the arc rods (18) between the side plates (17) on the two sides of each limiting plate (3) and the limiting plate (3), the two ends of each spring (19) respectively abut against the surfaces of the side plates (17) and the limiting plate (3), and two springs (19) are sleeved on each arc rod (18);

the disc (4) is connected to the tail end of the limiting plate (3), the disc (4) and the limiting plate (3) are connected to form an integral structure, a limiting hole (20) is formed in the middle of the surface of the disc (4), the limiting hole (20) penetrates through the disc (4), screw holes (21) are formed in the surface of the disc (1) on the inner side of the limiting hole (20), and the number of the disc (4) and the number of the screw holes (21) are four;

the drill cylinder (5) is arranged on the left side of the machine body (2), a rotating rod (6) is connected to a transmission shaft on the left side of the machine body (2), the rotating rod (6) is installed at the tail end of the left side of the rotating rod in a transmission mode, and a drill bit (23) is arranged on the surface of the outer ring on the left side of the rotating rod.

2. The hole-punching machine for construction machinery according to claim 1, wherein: the upper surface of the left side of the machine body (2) is fixed with a handle (7), the handle (7) is connected with the upper part of the left side of the machine body (2) to form an integral structure, and the handle (7) is vertically arranged on the surface of the machine body (2).

3. The hole-punching machine for construction machinery according to claim 1, wherein: the inner side of the rotating rod (6) is transversely provided with a guide pipe (14), the left side of the guide pipe (14) is communicated with the inside of the drilling barrel (5), and the guide pipe (14) is communicated with the middle position in the drilling barrel (5).

4. The hole-punching machine for construction machinery according to claim 3, wherein: the surface of the machine body (2) at the outer ring of the right side of the rotating rod (6) is provided with a rotary joint (11), and the rotary joint (11) is communicated with the inside of the guide pipe (14).

5. The hole-punching machine for construction machinery according to claim 4, wherein: the water receiving pipe (12) is connected to the upper portion of the rotary joint (11), the water receiving pipe (12) is communicated with the inside of the rotary joint (11), anti-skid grains (13) are arranged on the outer ring of the water receiving pipe (12) in a surrounding mode, and multiple layers of the anti-skid grains (13) are arranged.

6. The hole-punching machine for construction machinery according to claim 1, wherein: and the motor in the machine body (2) is electrically connected with the controller in the control box (24) through a lead.

7. The hole-punching machine for construction machinery according to claim 1, wherein: the switch (25) is installed on the surface of the front end of the control box (24), and the switch (25) is electrically connected with a controller inside the control box (24).

8. The hole-punching machine for construction machinery according to claim 1, wherein: the power cord (26) is connected to the right side lower portion of the control box (24), and the power cord (26) is electrically connected with a controller inside the control box (24).

Technical Field

The invention relates to the technical field of constructional engineering, in particular to a perforating machine for constructional engineering machinery.

Background

At present, the building engineering refers to an engineering entity formed by the construction of various building buildings and their auxiliary facilities and the installation activities of lines, pipelines and equipment matched with them. The house building comprises a top cover, a beam column, a wall, a foundation and a building body, wherein the top cover, the beam column, the wall and the foundation can form an inner space, the engineering required by production, living, learning and public activities of people is met, a lot of mechanical equipment can be used in the building engineering, the hole punching machine is used for punching on the wall or the ground, and the requirement for penetrating a pipeline is met.

At the overwhelming majority during operation that punches, all rely on handheld puncher to punch at the wall, if meet the condition that the bore section of thick bamboo is blocked suddenly at the in-process of punching, can make the output torque of puncher motor transmit to the fuselage of puncher, later act on to operating the workman through the handle, cause the phenomenon that the machinery wounded or equipment dropped very easily, have great potential safety hazard. Therefore, we propose a punch for construction machinery.

Disclosure of Invention

The invention aims to provide a perforating machine for construction engineering machinery, which is characterized in that a disc is arranged on the right side of a machine body, the right end of the machine body is arranged in a rotary groove of the disc, the machine body is rotatably connected with the disc, a limiting plate on the outer ring of the right end of the machine body is penetrated through an arc rod fixed on the disc, a spring is sleeved on the arc rod between the two sides of the limiting plate and a side plate, when a drill cylinder is clamped, the limiting plate can greatly reduce the torque acting on the disc under the buffer action of the spring, further, the acting force on the hand of an operator can be effectively avoided, the phenomenon that the operator is injured by machinery or falls off is avoided, the machine body can be locked to be prevented from rotating with the disc when needed, a more stable holding effect can be obtained for the machine body, and the problems in the background technology are solved.

In order to achieve the purpose, the invention provides the following technical scheme: a perforating machine for constructional engineering machinery comprises a disc, a machine body, a limiting plate, a circular plate and a drilling barrel; the disc is arranged on the right side of the machine body, a control box is fixed on the surface of the front end of the right side of the machine body, a controller is installed on the inner side of the control box, and the control box is fixed on a shell on the surface of the machine body;

the rotary groove is formed in the surface of the left side of the disc, the right side of the machine body is attached to and arranged in the rotary groove of the disc, the right side of the machine body is rotatably arranged in the rotary groove, the middle of the right side of the machine body is connected with a connecting rod, the connecting rod is vertically arranged on the surface of the right side of the machine body, a through hole is formed in the center of the disc and penetrates through the left side and the right side of the disc, the connecting rod penetrates through the right side of the disc through the through hole, a rotating plate is fixed at the tail end of the right side of the connecting rod, the left side of the rotating plate is abutted against the surface of the disc, holding grooves are formed in the surfaces above and below the disc, and two holding grooves are formed;

the four limiting plates are uniformly distributed on the outer ring on the right side of the machine body, rod grooves are formed in the middle of the limiting plates, side plates are fixed on the surfaces of the disks on the two sides of the limiting plates, the side plates are vertically arranged on the surfaces of the disks, arc rods are fixedly connected between the side plates on the two sides of the limiting plates, the arc rods penetrate through the limiting plates through the rod grooves in the limiting plates, springs are sleeved on the outer rings of the arc rods between the side plates on the two sides of the limiting plates and the limiting plates, the two ends of each spring are respectively abutted against the surfaces of the side plates and the limiting plates, and two springs are sleeved on each arc rod;

the circular plate is connected to the tail end of the limiting plate, the circular plate and the limiting plate are connected to form an integral structure, a limiting hole is formed in the middle of the surface of the circular plate, the limiting hole penetrates through the circular plate, screw holes are formed in the surface of the circular plate on the inner side of the limiting hole, and the number of the circular plate and the number of the screw holes are four;

the drill cylinder is arranged on the left side of the machine body, a rotating rod is connected to a transmission shaft on the left side of the machine body, the rotating rod is installed at the tail end of the left side of the rotating rod in a transmission mode, and a drill bit is arranged on the surface of the outer ring on the left side of the rotating rod.

As a preferred embodiment of the present invention, a handle is fixed on the upper surface of the left side of the machine body, and the handle is connected with the upper portion of the left side of the machine body to form an integral structure, and the handle is vertically arranged on the surface of the machine body.

In a preferred embodiment of the present invention, a guide tube is transversely disposed on an inner side of the rotating rod, a left side of the guide tube is communicated with an interior of the drill cylinder, and the guide tube is communicated with a middle position of the interior of the drill cylinder.

In a preferred embodiment of the present invention, a rotary joint is mounted on the surface of the body of the right outer ring of the rotating rod, and the rotary joint is communicated with the interior of the conduit.

As a preferred embodiment of the present invention, a water receiving pipe is connected above the rotary joint, the water receiving pipe is communicated with the inside of the rotary joint, and an outer ring of the water receiving pipe is provided with anti-skid lines in a surrounding manner, and the anti-skid lines are provided with multiple layers.

As a preferred embodiment of the present invention, the motor inside the machine body is electrically connected to the controller inside the control box through a wire.

In a preferred embodiment of the present invention, a switch is mounted on a front end surface of the control box, and the switch is electrically connected to a controller inside the control box.

As a preferred embodiment of the present invention, a power line is connected to a lower portion of the right side of the control box, and the power line is electrically connected to a controller inside the control box.

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

1. according to the perforating machine for the building engineering machinery, the disc is arranged on the right side of the machine body, the right end of the machine body is arranged in the rotary groove of the disc, the machine body is rotatably connected with the disc, the limiting plate on the outer ring of the right end of the machine body is penetrated through by the arc rod fixed on the disc, the spring is sleeved on the arc rod between the two sides of the limiting plate and the side plate, when a drill cylinder is clamped, the limiting plate can greatly reduce the torque acting on the disc under the buffer action of the spring, further, the acting force on the hand of an operator can be effectively avoided, the phenomenon that the machine injures people or drops can be avoided, the machine body can be locked to prevent the machine body from rotating with the disc when needed, and the machine body can be stably held.

2. According to the perforating machine for the constructional engineering machinery, the handle is fixed on the upper surface of the left side of the machine body, the handle and the upper part of the left side of the machine body are connected into an integral structure, the handle is vertically arranged on the surface of the machine body, and when the machine body is used for perforating, the handle above the machine body can be held by hands, so that a better holding effect can be achieved for the machine body.

3. According to the perforating machine for the building engineering machinery, the guide pipe is transversely arranged on the inner side of the rotating rod, the left side of the guide pipe is communicated with the interior of the drilling cylinder, the guide pipe is communicated with the middle position of the interior of the drilling cylinder, and after the guide pipe arranged in the rotating rod is communicated with the interior of the drilling cylinder, water can be supplied to the interior of the drilling cylinder through the guide pipe, so that dust generation during hole opening can be reduced.

4. According to the perforating machine for the building engineering machinery, the rotary joint is arranged on the surface of the machine body of the outer ring on the right side of the rotating rod and is communicated with the interior of the guide pipe, and through the arrangement of the rotary joint, when the rotating rod rotates to drive the drill cylinder to rotate, external clean water can be guided into the guide pipe and enters the drill cylinder.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of a hole-piercing machine for construction machinery according to the present invention;

FIG. 2 is a schematic cross-sectional view of the hole-piercing machine for construction machine according to the present invention;

FIG. 3 is a detailed structural view of the puncher for construction machinery at A in accordance with the present invention;

FIG. 4 is a schematic view of a connection structure of a body and a disc of the hole-punching machine for construction machinery of the present invention;

fig. 5 is a detailed structural schematic diagram of a puncher for construction machinery at position B of the present invention.

In the figure: 1. a disc; 2. a body; 3. a limiting plate; 4. a circular plate; 5. drilling a barrel; 6. a rotating rod; 7. a handle; 8. a holding groove; 9. a rotating plate; 10. rotating the groove; 11. a rotary joint; 12. a water receiving pipe; 13. anti-skid lines; 14. a conduit; 15. perforating; 16. a connecting rod; 17. a side plate; 18. an arc rod; 19. a spring; 20. a limiting hole; 21. a screw hole; 22. a rod groove; 23. a drill bit; 24. a control box; 25. a switch; 26. a power line.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the invention is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-5, the present invention provides a technical solution: a perforating machine for constructional engineering machinery comprises a disc 1, a machine body 2, a limiting plate 3, a circular plate 4 and a drilling barrel 5; the disc 1 is arranged on the right side of the machine body 2, a control box 24 is fixed on the surface of the front end of the right side of the machine body 2, a controller is installed on the inner side of the control box 24, and the control box 24 is fixed on a shell on the surface of the machine body 2;

the rotary groove 10 is formed in the left side surface of the disc 1, the right side of the machine body 2 is attached to the rotary groove 10 of the disc 1, the right side of the machine body 2 is rotatably arranged in the rotary groove 10, the middle of the right side of the machine body 2 is connected with the connecting rod 16, the connecting rod 16 is vertically arranged on the right side surface of the machine body 2, a through hole 15 is formed in the center of the disc 1, the through hole 15 penetrates through the left side and the right side of the disc 1, the connecting rod 16 penetrates through the right side of the disc 1 through the through hole 15, a rotating plate 9 is fixed at the tail end of the right side of the connecting rod 16, the left side of the rotating plate 9 abuts against the surface of the disc 1, two holding grooves 8 are formed in the upper surface and the lower surface of the disc 1;

the four limiting plates 3 are uniformly distributed on the outer ring of the right side of the machine body 2, a rod groove 22 is formed in the middle of each limiting plate 3, side plates 17 are fixed on the surfaces of the discs 1 on the two sides of each limiting plate 3, the side plates 17 are vertically arranged on the surfaces of the discs 1, arc rods 18 are fixedly connected between the side plates 17 on the two sides of each limiting plate 3, each arc rod 18 penetrates through each limiting plate 3 through the rod groove 22 in each limiting plate 3, springs 19 are sleeved on the outer rings of the arc rods 18 between the side plates 17 on the two sides of each limiting plate 3 and the limiting plates 3, the two ends of each spring 19 respectively abut against the surfaces of the side plates 17 and the limiting plates 3, and two springs 19 are sleeved on each arc rod 18;

the circular plate 4 is connected to the tail end of the limiting plate 3, the circular plate 4 and the limiting plate 3 are connected to form an integral structure, a limiting hole 20 is formed in the middle of the surface of the circular plate 4, the limiting hole 20 penetrates through the circular plate 4, screw holes 21 are formed in the surface of the circular plate 1 on the inner side of the limiting hole 20, and the number of the circular plate 4 and the number of the screw holes 21 are four;

the drill cylinder 5 is arranged on the left side of the machine body 2, a rotating rod 6 is connected to a transmission shaft on the left side of the machine body 2, the rotating rod 6 is installed at the tail end of the left side of the rotating rod in a transmission mode, and a drill bit 23 is arranged on the surface of the outer ring of the left side of the rotating rod.

In the invention, a power cord 26 is connected to a power supply, the disc 1 and the machine body 2 are taken up by holding the holding groove 8 above the disc 1 by hand, the holding groove 8 below the disc 1 is held by the other hand, then the drill bit 23 at the front end of the drill cylinder 5 is aligned to the wall or the ground to be punched, then a controller in the control box 24 is operated to control the machine body 2 to electrify an internal motor, power is transmitted to the rotating rod 6 through a transmission structure to drive the drill cylinder 5 to rotate, the drill bit 23 on the outer surface of the left side of the rotating cylinder is driven to act on the wall or the ground while the rotating cylinder rotates, so that punching work is carried out, an operator holds the holding grooves 8 at the two sides of the disc 1 to hold the disc 1 in a punching process, when the equipment is started and punches holes normally, the drill cylinder 5 and the drill bit 23 normally contact with the wall to punch holes, so that the torque transmitted to the machine body 2 is very small, under the interference action of the springs 19 at the two sides of the four limit plates 3, the rotation of the machine body 2 can be limited and avoided, if the drill barrel 5 is blocked, the machine body 2 can be driven to rotate clockwise or anticlockwise, each limit plate 3 can generate compression action on the spring 19 at one side during rotation, under the buffer action of the spring 19 at one side of the four limit plates 3, the torque acting on the disc 1 can be greatly reduced, further, the acting force on the hand of an operator can be effectively avoided, the phenomenon that the operator is injured or falls off by machinery can be avoided, when the machine body 2 rotates around the disc 1 in a small amplitude, the connecting rod 16 also rotates in the through hole 15 in a small amplitude, when the drilling work with larger resistance is carried out and the holding stability of the machine body 2 needs to be large enough, the limit hole 20 on the disc 4 can be aligned with the screw hole 21 on the disc 1, and a bolt is used for penetrating through the limit hole 20 and screwing into the screw hole 21, and then make disc 1 spacing to limiting plate 3, can lock organism 2 make it can not take place to rotate with between the disc 1, then through holding 8 handheld and clenching discs 1 in the groove, when the during operation of punching can have enough big stability of holding to organism 2, make organism 2 stop work through the inside controller of control box 24 again after the end of punching.

In an optional embodiment, a handle 7 is fixed on the upper left side surface of the machine body 2, the handle 7 is connected with the upper left side of the machine body 2 to form an integral structure, and the handle 7 is vertically arranged on the surface of the machine body 2, in this embodiment (see fig. 1 and 2), the handle 7 is fixed on the upper left side surface of the machine body 2, the handle 7 is connected with the upper left side of the machine body 2 to form an integral structure, and the handle 7 is vertically arranged on the surface of the machine body 2, so that when the machine body 2 is used for punching, the handle 7 above the machine body 2 can be held by hand, and a better holding effect can be obtained on the machine body 2.

In an alternative embodiment, the inner side of the rotating rod 6 is transversely provided with a conduit 14, the left side of the conduit 14 is communicated with the inside of the drill barrel 5, and the conduit 14 is communicated with the middle position inside the drill barrel 5, in this embodiment (see fig. 2), the conduit 14 is transversely provided on the inner side of the rotating rod 6, the left side of the conduit 14 is communicated with the inside of the drill barrel 5, and the conduit 14 is communicated with the middle position inside the drill barrel 5, after the conduit 14 arranged inside the rotating rod 6 is communicated with the inside of the drill barrel 5, water can be supplied to the inside of the drill barrel 5 through the conduit 14, so that the generation of dust during drilling can be reduced.

In an alternative embodiment, the rotating joint 11 is installed on the surface of the machine body 2 on the outer ring of the right side of the rotating rod 6, and the rotating joint 11 is communicated with the inside of the guide pipe 14, in this embodiment (see fig. 2), by installing the rotating joint 11 on the surface of the machine body 2 on the outer ring of the right side of the rotating rod 6, and communicating the rotating joint 11 with the inside of the guide pipe 14, it can be ensured that when the rotating rod 6 rotates to drive the drill pipe 5 to rotate, external clean water can also be guided to the inside of the guide pipe 14 to enter the drill pipe 5 through the arrangement of the rotating joint 11.

In an optional embodiment, a water receiving pipe 12 is connected above the rotary joint 11, the water receiving pipe 12 is communicated with the inside of the rotary joint 11, an outer ring of the water receiving pipe 12 is provided with anti-slip patterns 13 in a surrounding manner, the anti-slip patterns 13 are provided in multiple layers, in this embodiment (see fig. 2), the purpose of connecting the rotary joint 11 to a water source can be achieved through the water receiving pipe 12, and the anti-slip patterns 13 can provide an anti-drop effect for a connected hose.

In an alternative embodiment, the motor inside the machine body 2 is electrically connected to the controller inside the control box 24 through a wire, and in this embodiment (see fig. 1), the motor inside the machine body 2 is controlled by the controller inside the control box 24.

In an alternative embodiment, a switch 25 is installed on a front end surface of the control box 24, and the switch 25 is electrically connected to a controller inside the control box 24, in this embodiment (see fig. 1), the controller is operated by the switch 25 at the front end of the control box 24, so as to control a motor inside the machine body 2.

In an alternative embodiment, a power cord 26 is connected to a lower portion of the right side of the control box 24, and the power cord 26 is electrically connected to a controller inside the control box 24, in this embodiment (see fig. 1), the purpose of connecting the controller inside the control box 24 to a power source is achieved through the power cord 26.

It should be noted that the present invention is a perforating machine for construction machinery, comprising a circular disc 1, a machine body 2, a limiting plate 3, a circular plate 4, a drill barrel 5, a rotating rod 6, a handle 7, a holding groove 8, a rotating plate 9, a rotating groove 10, a rotating joint 11, a water receiving pipe 12, an anti-skid thread 13, a conduit 14, a perforation 15, a connecting rod 16, a side plate 17, an arc rod 18, a spring 19, a limiting hole 20, a screw hole 21, a rod groove 22, a drill 23, a control box 24, a switch 25, and a power cord 26, all of which are common standard parts or parts known by those skilled in the art, the structure and principle of which are known by technical manuals or conventional experimental methods, in the idle position of the present device, all of the above electric devices, which refer to power elements, electric devices, and adaptive monitoring computers, are connected by wires, and specific connection means should refer to the above working principles, the detailed connection means of the electrical devices, which are known in the art, mainly introduces the working principle and process, and does not describe the electrical control.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.