阅读说明：本技术 一种机械式前舱门开启逃生装置 (Mechanical front cabin door opening escape device ) 是由 王宏兵 丁方荣 杨少华 陈盈 胡志明 邓时成 李耀宗 王帆 于 2020-11-26 设计创作，主要内容包括：本发明公开了一种机械式前舱门开启逃生装置,安装在汽车车头位置,包括：前舱门,前舱门顶部设有铰链,底内壁上固定有舱门锁；应急开关组件,应急开关组件包括开关把手、旋转叶片和应急开关机构,旋转叶片底端面转动连接在前舱门内壁上,开关把手固定于旋转叶片顶端面,应急开关机构转动连接在前舱门内壁上,其一端抵接在旋转叶片下方,另一端与舱门锁固定连接；中间座椅靠背支架,中间座椅靠背支架抵接在前舱门内壁上,中间座椅靠背支架后端面底部固定有支架锁；靠背支架开关组件,靠背支架开关组件转动连接在中间座椅靠背支架上,其一端抵接在前舱门内壁上,另一端与支架锁固定连接。(The invention discloses a mechanical front cabin door opening escape device, which is arranged at the head of an automobile and comprises: the top of the front cabin door is provided with a hinge, and a cabin door lock is fixed on the bottom inner wall; the emergency switch assembly comprises a switch handle, a rotary blade and an emergency switch mechanism, wherein the bottom end face of the rotary blade is rotatably connected to the inner wall of the front cabin door, the switch handle is fixed to the top end face of the rotary blade, the emergency switch mechanism is rotatably connected to the inner wall of the front cabin door, one end of the emergency switch mechanism abuts against the lower side of the rotary blade, and the other end of the emergency switch mechanism is fixedly connected with the cabin door lock; the middle seat backrest support is abutted against the inner wall of the front cabin door, and a support lock is fixed at the bottom of the rear end face of the middle seat backrest support; the backrest support switch component is rotatably connected to the middle seat backrest support, one end of the backrest support switch component is abutted to the inner wall of the front cabin door, and the other end of the backrest support switch component is fixedly connected with the support lock.)

1. The utility model provides a mechanical type front hatch door opens escape device, installs in car locomotive (100) position, its characterized in that includes:

the automobile cabin door comprises a front cabin door (1), wherein a hinge (2) is arranged at the top of the front cabin door (1), the front cabin door (1) is hinged with the top (200) of an automobile by using the hinge (2), a cabin door lock (3) is fixed on the inner bottom wall of the front cabin door (1), and a cabin door lock tongue matched with the cabin door lock (3) is fixed on a bracket at the bottom of the automobile;

the emergency switch assembly (4) comprises a switch handle (41), a rotating blade (42) and an emergency switch mechanism (43), the rotating blade (42) is of a fan-shaped sheet structure, the bottom end face of the rotating blade (42) is rotatably connected to the inner wall of the front cabin door (1), the switch handle (41) is fixed to the top end face of the rotating blade (42), the emergency switch mechanism (43) is rotatably connected to the inner wall of the front cabin door (1), one end of the emergency switch mechanism is abutted to the lower side of the rotating blade (42), and the other end of the emergency switch mechanism is fixedly connected with the cabin door lock (3);

the middle seat backrest support (5) is positioned in the middle of the inner wall surface of the front cabin door (1), the front end surface of the middle seat backrest support (5) is perpendicular to the front cabin door (1), a support lock (6) is fixed at the bottom of the rear end surface of the middle seat backrest support (5), and a support lock tongue matched with the support lock (6) is fixed on a support at a seat at the bottom of the automobile;

the backrest support switch component (7) is rotatably connected to the middle seat backrest support (5) and is close to the front end face of the middle seat backrest support (5), one end of the backrest support switch component is abutted to the inner wall of the front cabin door (1), and the other end of the backrest support switch component (7) is fixedly connected with the support lock (6).

2. The mechanical front hatch door opening escape device according to claim 1, characterized in that the number of the hinges (2) is two or more, and the two or more hinges (2) are symmetrically arranged on the top of the front hatch door (1).

3. The mechanical front hatch door opening escape device according to claim 1, characterized in that the emergency switch mechanism (43) comprises a connecting piece (431) and a first brake cable (432), the connecting piece (431) is rotatably connected to the inner wall of the front hatch door (1), one end of the connecting piece abuts against the lower side of the rotating blade (42), the other end of the connecting piece is fixedly connected with one end of the first brake cable (432), and the other end of the first brake cable (432) is fixedly connected with the door lock (3).

4. Mechanical front hatch opening escape device according to claim 3, characterized in that the emergency switch assembly (4) further comprises a limiting chassis (44), wherein the limiting chassis (44) is fixed on the inner wall of the front hatch (1) and located around the rotating blade (42) for limiting the rotating blade (42) from rotating in the clockwise direction.

5. The mechanical front hatch opening and escaping device is characterized by further comprising a detection assembly (8), wherein the detection assembly (8) comprises a detection contact (81) and a detection switch (82), the detection contact (81) and the detection switch (82) are both fixed on the inner wall of the front hatch (1), the detection contact (81) is located on one side of the rotating blade (42), the detection switch (82) is located below the rotating blade (42) and is arranged opposite to the connecting sheet (431), the detection contact (81) is in signal connection with the input end of the detection switch (82), the output end of the detection switch (82) is in signal connection with a control room, and the control room is used for controlling the emergency stop of the automobile.

6. The mechanical front hatch opening and escaping device is characterized in that a reinforcing gasket (9) is fixed on the inner wall of the front hatch (1), the reinforcing gasket (9) is arranged opposite to the middle seat backrest support (5), the backrest support switch component (7) comprises a rotating rod (71), a connecting rod (72), a torsion spring (73), a regulating sheet (74) and a second brake cable (75), one end of the rotating rod (71) is rotatably connected on the side wall of the middle seat backrest support (5), the other end of the rotating rod is rotatably connected with one end of the connecting rod (72), the middle part of the connecting rod (72) is rotatably connected on the side wall of the middle seat backrest support (5), the other end of the connecting rod is abutted against the reinforcing gasket (9), the torsion spring (73) is arranged between the middle part of the connecting rod (72) and the middle seat backrest support (5), just the torsion direction of torsional spring (73) is clockwise, adjustment flap (74) one end with connecting rod (72) rotate to be connected, and the other end rotates to be connected on middle seat back support (5) lateral wall, second brake cable (75) one end with adjustment flap (74) other end fixed connection, the other end with support lock (6) fixed connection.

7. The mechanical front hatch opening escape device according to any one of claims 1 to 6, characterized by further comprising two top bracing assemblies (10), wherein the two top bracing assemblies (10) are symmetrically arranged, and the two top bracing assemblies (10) are hydraulic support rods, one end of each hydraulic support rod is fixed on the top inner wall of the automobile roof (200), and the other end of each hydraulic support rod is fixed on the inner wall of the front hatch (1).

Technical Field

The invention relates to the technical field of automobile safety parts, in particular to a mechanical front cabin door opening escape device.

Background

The field of unmanned electric vehicles is more and more concerned by countries and enterprises, and how to ensure the safety of passengers in the vehicles becomes the central importance of the field.

For the unmanned electric automobile without a trunk door, when the doors on two sides cannot be normally opened due to an accident, how to ensure the safety of passengers and how to enable the passengers in the automobile to quickly escape is an important problem in the unmanned electric automobile. At present, most vehicles are provided with safety hammers in the vehicle for safety escape, so that passengers can conveniently break window glass by using the safety hammers to escape, but the window glass has a small outlet, and the passengers cannot escape quickly.

Therefore, to the unmanned electric automobile who does not have the trunk door, it is simple structure to provide one kind, reasonable in design, and convenient operation can realize letting the passenger open escape device before the mechanical type hatch door of fleing fast safely is the problem that technical personnel in this field need solve urgently.

Disclosure of Invention

In view of the above, in order to solve the technical problems that in the prior art, when an unmanned electric vehicle fails, passengers are inconvenient to escape, the invention provides a mechanical front cabin door opening escape device which is simple in structure, reasonable in design, convenient to operate and capable of enabling passengers to escape quickly and safely.

In order to achieve the purpose, the invention adopts the following technical scheme:

a mechanical front hatch opening escape device is installed at the head position of an automobile and comprises:

the top of the front cabin door is provided with a hinge, the front cabin door is hinged with the top of the automobile by using the hinge, a cabin door lock is fixed on the inner wall of the bottom of the front cabin door, and a cabin door lock tongue matched with the cabin door lock is fixed on a bracket at the bottom of the automobile;

the emergency switch assembly comprises a switch handle, a rotating blade and an emergency switch mechanism, wherein the rotating blade is of a fan-shaped sheet structure, the bottom end face of the rotating blade is rotatably connected to the inner wall of the front cabin door, the switch handle is fixed to the top end face of the rotating blade, the emergency switch mechanism is rotatably connected to the inner wall of the front cabin door, one end of the emergency switch mechanism is abutted against the lower part of the rotating blade, and the other end of the emergency switch mechanism is fixedly connected with the cabin door lock;

the middle seat backrest support is positioned in the middle of the inner wall surface of the front cabin door, the front end surface of the middle seat backrest support is perpendicular to the front cabin door, a support lock is fixed at the bottom of the rear end surface of the middle seat backrest support, and a support lock tongue matched with the support lock is fixed on the support at the seat at the bottom of the automobile;

the backrest support switch assembly is rotatably connected to the middle seat backrest support and is arranged close to the front end face of the middle seat backrest support, one end of the backrest support switch assembly abuts against the inner wall of the front cabin door, and the other end of the backrest support switch assembly is fixedly connected with the support lock.

According to the technical scheme, compared with the prior art, the mechanical front cabin door opening escape device is characterized in that the top of the front cabin door can be hinged to the top of a vehicle through a hinge, a rotary blade can be driven to rotate through rotating a switch handle, so that an emergency switch mechanism is driven to open a cabin door lock, the front cabin door is opened from the bottom of the head of the vehicle, passengers can escape conveniently, the backrest support can be driven to open and open a backrest support switch assembly to open a bracket lock after the front cabin door is opened through utilizing the abutting structure of the middle seat backrest support and the front cabin door, the passengers can push the middle seat backrest support outwards from the inside of the vehicle, and a large-space escape passage is provided for the passengers. The mechanical escape device for opening the front cabin door is simple in structure, reasonable in design and convenient to operate, can provide a larger escape space for passengers, is convenient for the passengers to escape quickly and safely, and has good market application prospect and high popularization value.

Furthermore, the number of the hinges is more than two, and the hinges are symmetrically arranged at the top of the front cabin door.

The escape device has the advantages of being reasonable in structural design and strong in structural stability.

Furthermore, the emergency switch mechanism comprises a connecting sheet and a first brake cable, the connecting sheet is rotatably connected to the inner wall of the front cabin door, one end of the connecting sheet abuts against the lower side of the rotating blade, the other end of the connecting sheet is fixedly connected with one end of the first brake cable, and the other end of the first brake cable is fixedly connected with the cabin door lock.

The beneficial effect who adopts above-mentioned technical scheme to produce is for this escape device structural design is reasonable, can drive rotating vane anticlockwise rotation through anticlockwise rotation switch handle, and rotating vane pushes down the connection piece in the rotatory process, drives the connection piece clockwise rotation, thereby the first brake cable of taut connection piece tip opens the hatch door lock of first brake cable bottom.

Further, the emergency switch assembly further comprises a limiting bottom frame, wherein the limiting bottom frame is fixed on the inner wall of the front cabin door and located on the periphery of the rotating blade, and is used for limiting the rotating blade to rotate along the clockwise direction.

The beneficial effect who adopts above-mentioned technical scheme to produce is, can restrict rotating vane and switch handle and rotate along clockwise for this escape device overall structure compactness is good.

Furthermore, the automobile emergency stop detection device comprises a detection assembly, wherein the detection assembly comprises a detection contact and a detection switch, the detection contact and the detection switch are fixed on the inner wall of the front cabin door, the detection contact is located on one side of the rotating blade, the detection switch is located below the rotating blade and is arranged opposite to the connecting piece, the detection contact is in signal connection with the input end of the detection switch, the output end of the detection switch is in signal connection with a control room, and the control room is used for controlling the automobile to be in emergency stop.

Adopt above-mentioned technical scheme to produce beneficial effect is, rotating vane anticlockwise rotation to detect the contact after, detect the contact and send rotation signal to detection switch, detection switch feeds back detection signal to the control room, by the emergency stop of control room control car to make this escape device structural design reasonable, and compact structure nature is good.

Furthermore, a reinforcing gasket is fixed on the inner wall of the front cabin door, the reinforcing gasket and the middle seat backrest support are arranged oppositely, the backrest support switch component comprises a rotary rod, a connecting rod, a torsional spring, a regulating sheet and a second brake cable, one end of the rotary rod is rotatably connected to the side wall of the middle seat backrest support, the other end of the rotary rod is rotatably connected with one end of the connecting rod, the middle part of the connecting rod is rotatably connected to the side wall of the middle seat backrest support, the other end of the connecting rod is abutted against the reinforcing gasket, the torsional spring is arranged between the middle part of the connecting rod and the middle seat backrest support, the torsion direction of the torsional spring is clockwise, one end of the regulating sheet is rotatably connected with the connecting rod, the other end of the regulating sheet is rotatably connected to the side wall of the middle seat backrest support, one end of the second, the other end is fixedly connected with the bracket lock.

Adopt above-mentioned technical scheme to produce beneficial effect be for this escape device structural design is reasonable, and the connecting rod other end butt is on strengthening the gasket under normal condition, strengthens the gasket and for the connecting rod tip applys pressure, and this pressure offsets with the torsion of torsional spring, and when current hatch door was opened, pressure disappeared, and the connecting rod rotates forward under the torsion effect of torsional spring to drive the adjustment sheet and rotate forward, make the taut second brake line of adjustment sheet, open the support lock of second brake line bottom.

Further, still include the shore subassembly, the shore subassembly is two, two shore subassembly symmetrical arrangement, and two the shore subassembly is the hydraulic support pole, and its one end is fixed on car roof inner wall, and the other end is fixed on the preceding hatch door inner wall.

The beneficial effect who adopts above-mentioned technical scheme to produce is, can provide continuous stable thrust for preceding hatch door after the hatch door is opened in the front, supplementary passenger opens preceding hatch door fast effectively, makes things convenient for the passenger to realize quick safe the escaping.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of a mechanical front hatch opening escape device provided by the invention and installed on an automobile;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural view of a mechanical front hatch opening escape device provided by the invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is a schematic structural view of a front hatch door of the mechanical front hatch door opening escape device provided by the present invention;

FIG. 6 is a front view of a front door of a mechanical front door opening escape device provided by the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at C;

fig. 8 is a schematic structural view of a middle seat backrest bracket in the mechanical front hatch opening escape device provided by the invention;

fig. 9 is an enlarged view of a portion of fig. 8 at D.

Wherein: 1-front cabin door, 2-hinge, 3-cabin door lock, 4-emergency switch component, 41-switch handle, 42-rotating blade, 43-emergency switch mechanism, 431-connecting piece, 432-first brake cable, 44-limiting bottom frame, 5-middle seat back support, 6-support lock, 7-back support switch component, 71-rotating rod, 72-connecting rod, 73-torsion spring, 74-regulating piece, 75-second brake cable, 8-detection component, 81-detection contact, 82-detection switch, 9-reinforcing gasket, 10-top support component, 100-automobile head, 200-automobile roof, 300-two-side seat back, 400-middle seat back and 500-front row seat.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

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

The invention discloses a mechanical front hatch opening escape device, which is arranged at the position of a car head 100 and comprises:

the car cabin door comprises a front cabin door 1, wherein a hinge 2 is arranged at the top of the front cabin door 1, the front cabin door 1 is hinged with a car roof 200 by the hinge 2, a cabin door lock 3 is fixed on the inner bottom wall of the front cabin door 1, and a cabin door lock tongue matched with the cabin door lock 3 is fixed on a car bottom support;

the emergency switch assembly 4 comprises a switch handle 41, a rotating blade 42 and an emergency switch mechanism 43, wherein the rotating blade 42 is of a fan-shaped sheet structure, the bottom end face of the rotating blade 42 is rotatably connected to the inner wall of the front cabin door 1, the switch handle 41 is fixed to the top end face of the rotating blade 42, the emergency switch mechanism 43 is rotatably connected to the inner wall of the front cabin door 1, one end of the emergency switch mechanism abuts against the lower side of the rotating blade 42, and the other end of the emergency switch mechanism is fixedly connected with the cabin door lock 3;

the middle seat backrest support 5 is positioned in the middle of the inner wall surface of the front cabin door 1, the front end surface of the middle seat backrest support 5 is perpendicular to the front cabin door 1, a support lock 6 is fixed at the bottom of the rear end surface of the middle seat backrest support 5, and a support lock tongue matched with the support lock 6 is fixed on a support at a seat at the bottom of the automobile;

the backrest support switch component 7 is rotatably connected to the middle seat backrest support 5 and is close to the front end face of the middle seat backrest support 5, one end of the backrest support switch component 7 is abutted to the inner wall of the front cabin door 1, and the other end of the backrest support switch component 7 is fixedly connected with the support lock 6.

According to an alternative embodiment of the invention, the number of the hinges 2 is two, and the two hinges 2 are symmetrically arranged at the top of the front cabin door 1, so that the escape device has reasonable structural design and strong structural stability.

According to an optional embodiment of the invention, the emergency switch mechanism 43 comprises a connecting sheet 431 and a first brake cable 432, the connecting sheet 431 is rotatably connected to the inner wall of the front cabin door 1, one end of the connecting sheet 431 abuts against the lower part of the rotating blade 42, the other end of the connecting sheet is fixedly connected with one end of the first brake cable 432, and the other end of the first brake cable 432 is fixedly connected with the cabin door lock 3, so that the escape device is reasonable in structural design, the rotating blade can be driven to rotate anticlockwise by rotating the switch handle anticlockwise, the connecting sheet is pressed downwards during the rotation of the rotating blade to drive the connecting sheet to rotate clockwise, and the first brake cable at the end part of the connecting sheet is tensioned, and the cabin door lock at the bottom of the first.

According to an alternative embodiment of the present invention, the emergency switch assembly 4 further includes a limiting bottom frame 44, the limiting bottom frame 44 is fixed on the inner wall of the front door 1 and located on the peripheral side of the rotating blade 42 for limiting the rotating blade 42 to rotate clockwise, so as to limit the rotating blade and the switch handle to rotate clockwise, and the whole structure of the escape device is compact.

According to an optional embodiment of the invention, the escape device further comprises a detection assembly 8, the detection assembly 8 comprises a detection contact 81 and a detection switch 82, the detection contact 81 and the detection switch 82 are both fixed on the inner wall of the front cabin door 1, the detection contact 81 is located on one side of the rotary blade 42, the detection switch 82 is located below the rotary blade 42 and is arranged opposite to the connecting sheet 431, the detection contact 81 is in signal connection with an input end of the detection switch 82, an output end of the detection switch 82 is in signal connection with a control room, the control room is used for controlling the emergency stop of the automobile, after the rotary blade rotates anticlockwise to the detection contact, the detection contact sends a rotation signal to the detection switch, the detection switch feeds back the detection signal to the control room, and the control room controls the emergency stop of the automobile, so that the escape device has a reasonable structural design and a good structural compactness.

According to an alternative embodiment of the present invention, a reinforcing pad 9 is fixed on the inner wall of the front door 1, the reinforcing pad 9 is disposed opposite to the middle seat back support 5, the back support switch assembly 7 comprises a rotating rod 71, a connecting rod 72, a torsion spring 73, a regulating piece 74 and a second brake cable 75, one end of the rotating rod 71 is rotatably connected to the side wall of the middle seat back support 5, the other end of the rotating rod 71 is rotatably connected to one end of the connecting rod 72, the middle part of the connecting rod 72 is rotatably connected to the side wall of the middle seat back support 5, the other end of the connecting rod abuts against the reinforcing pad 9, the torsion spring 73 is disposed between the middle part of the connecting rod 72 and the middle seat back support 5, the torsion direction of the torsion spring 73 is clockwise, one end of the regulating piece 74 is rotatably connected to the connecting rod 72, the other end of the regulating piece is, the other end is fixedly connected with the support lock 6, so that the escape device is reasonable in structural design, the other end of the connecting rod is abutted against the reinforcing gasket in a normal state, the reinforcing gasket applies pressure to the end part of the connecting rod, the pressure is abutted against the torsion force of the torsion spring, when the current cabin door is opened, the pressure disappears, the connecting rod rotates forwards under the torsion force of the torsion spring, so that the adjusting piece is driven to rotate forwards, the adjusting piece is used for tensioning the second brake cable, and the support lock at the bottom of the second brake cable is opened.

According to an optional embodiment of the invention, the automobile roof structure further comprises two top support assemblies 10, the two top support assemblies 10 are symmetrically arranged, and the two top support assemblies 10 are hydraulic support rods, one end of each top support assembly is fixed on the top inner wall of the automobile roof 200, and the other end of each top support assembly is fixed on the inner wall of the front cabin door 1, so that continuous and stable thrust can be provided for the front cabin door after the front cabin door is opened, passengers can be assisted to quickly and effectively open the front cabin door, and passengers can conveniently and safely escape.

According to the mechanical escape device for opening the front cabin door, the top of the front cabin door can be hinged to the top of a car through a hinge, the rotary blade can be driven to rotate through rotating the switch handle, so that the emergency switch mechanism is driven to open the cabin door lock, the front cabin door is opened from the bottom of the car head, passengers can conveniently escape, the backrest support switch assembly can be driven to open the rack lock after the front cabin door is opened through utilizing the abutting structure of the middle seat backrest support and the front cabin door, the middle seat backrest support can be conveniently pushed out from the inside of the car, and a large-space escape channel is provided for the passengers. The escape device is simple in structure, reasonable in design and convenient to operate, can provide a large escape space for passengers, is convenient for the passengers to escape quickly and safely, and has good market application prospect and high popularization value.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.