Pipe fitting shape metal framework port flaring method for reinforcing plastic pipe fitting

文档序号:414964 发布日期:2021-12-21 浏览:50次 中文

阅读说明:本技术 一种塑料管件增强用管件形状金属骨架端口扩口方式 (Pipe fitting shape metal framework port flaring method for reinforcing plastic pipe fitting ) 是由 徐冶锋 于 2021-09-27 设计创作,主要内容包括:本发明公开了一种塑料管件增强用管件形状金属骨架端口扩口方式,所述管件形状金属骨架端口末端上设有扩口斜坡,管件形状金属骨架端口扩口斜坡上设有直径大于管件形状金属骨架未扩口端口直径的扩口平直段。本发明属于管道连接件生产技术领域,具体是指一种塑料管件增强用管件形状金属骨架端口扩口方式;本发明创造性的提出了带有扩口塑料管件增强用管件形状的金属骨架,通过注塑使端口带扩口的管件连接更为方便;本发明提出了六种关键塑料管件增强用管件形状金属骨架端口扩口方式,有效解决了输送介质时易形成涡流,输送固液混合物时易积料,且加压输送的作用下致内通径不一致的缩径处易磨损的问题。(The invention discloses a pipe fitting-shaped metal framework port flaring method for reinforcing a plastic pipe fitting. The invention belongs to the technical field of production of pipeline connecting pieces, and particularly relates to a pipe fitting-shaped metal framework port flaring mode for reinforcing a plastic pipe fitting; the invention creatively provides a metal framework with a flaring plastic pipe fitting reinforcing pipe fitting shape, and the pipe fitting with the flaring at the end port is more convenient to connect through injection molding; the invention provides six pipe fitting-shaped metal framework port flaring modes for reinforcing a plastic pipe fitting, which effectively solve the problems that vortex is easily formed when a medium is conveyed, materials are easily accumulated when solid-liquid mixtures are conveyed, and the reducing part with inconsistent inner diameter is easily abraded under the action of pressurized conveying.)

1. The utility model provides a pipe fitting shape metal framework port flaring mode for plastics pipe fitting reinforcing which characterized in that: the pipe fitting shape metal flaring framework is provided with holes, the pipe fitting shape metal flaring framework is provided with a non-flaring port, the pipe fitting shape metal flaring framework is provided with a flaring slope at the tail end of the non-flaring port, the pipe fitting shape metal flaring framework is provided with a flaring straight section with the diameter larger than the non-flaring port on the flaring slope, and the inner diameter of the pipe fitting shape metal flaring framework is circular.

2. The first pipe shape metal framework port flaring method for reinforcing plastic pipes according to claim 1, characterized in that:

the method comprises the following steps: preparing a metal framework with a pipe fitting-shaped port and an un-flared port, wherein the total length of a straight section of the port of the metal framework comprises a flared slope and a flared straight section with the diameter larger than that of the un-flared straight section, and the required processing length is required;

step two: and the port of the flat end of the metal framework with the shape of the pipe fitting and without the flaring port presents a flaring slope and a flaring flat section with the diameter larger than that of the flat section without the flaring port in an external expanding mode, so that the integral processing is completed.

3. The second pipe shape metal framework port flaring mode for reinforcing the plastic pipe as claimed in claim 2, wherein:

the method comprises the following steps: preparing two metal frameworks, respectively manufacturing a metal framework with a pipe fitting-shaped port and an un-flared port, wherein the straight section of the port comprises the sum of the lengths required by the flaring slope processing, and the diameter of the metal framework is larger than that of the metal framework of the flaring straight section of the un-flared straight section;

step two: the port of the metal framework with the shape of the pipe fitting and without the flaring is made to be in the shape of a flaring slope in an external expanding mode, and the maximum diameter of the flaring slope after expansion is the same as the diameter of the metal framework of the flaring straight section with the diameter larger than that of the flaring straight section without the flaring straight section.

Step three: and welding the flaring slope-shaped port of the pipe fitting-shaped metal framework and the flaring straight section metal framework at the same diameter to finish machining.

4. The third way of flaring a pipe-shaped metal framework port for reinforcing a plastic pipe according to claim 3, wherein:

the method comprises the following steps: preparing two metal frameworks, and respectively manufacturing a metal framework short pipe with a pipe fitting-shaped port and an un-flared metal framework port, wherein the diameter of the metal framework short pipe is the same as that of the pipe fitting-shaped port of the un-flared metal framework port, and the length of the metal framework short pipe is equal to the sum of a flared slope and a flared straight section with the diameter larger than that of the un-flared straight section;

step two: the metal framework short pipe with the length equal to the sum of the flaring slope and the flaring straight section with the diameter larger than that of the flaring straight section is used for presenting a flaring-shaped metal framework with the minimum diameter which is the same as that of the flaring-free port of the pipe fitting shape and the maximum diameter of the flaring slope which is connected with the flaring straight section with the diameter larger than that of the flaring-free port of the pipe fitting-shaped metal framework in an external flaring mode;

step three: and welding the pipe fitting-shaped ports of the two groups of metal frameworks with the non-flaring metal framework ports and the flaring slope ports with the same diameter to finish the processing.

5. The fourth way of flaring a pipe-shaped metal framework port for reinforcing a plastic pipe according to claim 4, wherein:

the method comprises the following steps: the method comprises the steps of firstly, respectively manufacturing a metal framework with a pipe fitting-shaped port and no flaring, a flaring slope with the diameter of the minimum port being the same as that of the port with the pipe fitting-shaped metal framework and the diameter of the flaring straight section with the diameter being larger than that of the port with the pipe fitting-shaped metal framework being not flaring, a flaring straight section with the diameter being larger than that of the port with the pipe fitting-shaped metal framework being not flaring, and three metal framework parts.

Step two: and welding the three groups of metal framework components according to the shape layout of the metal flaring framework in the shape of the pipe fitting to finish the processing.

6. The pipe shape metal framework port flaring mode five for reinforcing the plastic pipe, according to claim 5, is characterized in that:

the method comprises the following steps: firstly, preparing a metal framework with an un-flared port in the shape of a pipe fitting and two metal framework short pipes with the same diameter as the port of the metal framework with the shape of the un-flared pipe fitting, wherein one short pipe comprises a straight section and a flared slope which can be used for processing the same diameter of the un-flared port in the shape of the pipe fitting and a metal framework part with the total length required by the flared straight section with the diameter larger than the diameter of the un-flared port in the shape of the pipe fitting.

Step two: and processing the metal framework component which comprises the straight section with the same diameter as the shape of the pipe fitting and the flaring slope and has the diameter larger than the diameter of the flaring straight section of the shape of the pipe fitting and the total length required by the straight section with the same diameter as the shape of the pipe fitting and the flaring slope and the diameter larger than the diameter of the pipe fitting shape and the flaring straight section by an external expansion mode to form the flaring metal framework component which comprises the straight section with the same diameter as the shape of the pipe fitting and the flaring slope and has the diameter larger than the diameter of the pipe fitting shape and the flaring straight section.

Step three; and (4) respectively welding the flared metal framework part processed in the step two and the same-diameter port of the pipe fitting-shaped metal framework prepared in the step one with the metal framework short pipe with the same diameter of the port of the non-flared pipe fitting-shaped metal framework prepared in the step one, and finishing the processing.

7. The pipe shape metal framework port flaring method six for plastic pipe reinforcement according to claim 6, characterized in that:

the method comprises the following steps: preparing a metal framework with a pipe fitting-shaped port not being flared, a metal framework short pipe with the diameter same as that of the pipe fitting-shaped metal framework not being flared, a flared slope metal framework, a flared straight section metal framework with the diameter larger than that of the pipe fitting-shaped port not being flared, and four metal framework parts.

Step two: and welding the four groups of metal framework components according to the shape layout of the metal flaring framework in the shape of the pipe fitting to finish the processing.

Technical Field

The invention belongs to the technical field of production of pipe connectors, and particularly relates to a pipe fitting-shaped metal framework port flaring mode for reinforcing a plastic pipe fitting.

Background

The invention provides a pipe fitting shape metal flaring framework forming method based on welding and external flaring forming methods, aiming at solving the problem that the prior steel framework in the market is embedded into a plastic electric melting pipe fitting in a drift diameter mode, the inner drift diameter of the electric melting tee joint and the elbow pipe fitting formed in the mode is inconsistent with the inner drift diameter of a pipe after the electric melting tee joint and the elbow pipe fitting are installed, so that vortex flow is easily formed when media such as liquid, solid-liquid mixture, gas and the like are conveyed, materials are easily accumulated when the solid-liquid mixture, powder or particle materials are conveyed, and the reducing part with the inconsistent inner drift diameter is easily abraded when pressure conveying is carried.

Disclosure of Invention

Aiming at the situation and overcoming the defects of the prior art, the invention provides a pipe fitting shape metal framework port flaring mode for plastic pipe fitting reinforcement, the invention creatively provides a pipe fitting joint with flaring metal framework reinforcement, and the inner diameter of a connected pipeline is the same as the inner diameter of the joint by arranging a large-diameter bell mouth at the joint of the joint, thereby avoiding the generation of vortex and the accumulation of particles, and reducing the abrasion to the pipe fitting and the joint in the process of conveying a medium; the invention has proposed six kinds of key pipe fittings shape steel skeleton port flaring processing methods used for imbedding in the wall thickness of the plastic pipe fittings, make the pipe fittings shape steel skeleton with flaring of port wrap up in the wall thickness of the pipe fittings through the injection molding machine injection molding, and link the inner, outer layer plastics as an organic whole through the hole, the pipeline joint after the flaring is shaped forms the steel skeleton and strengthens the bell mouth, it is more convenient to make the pipeline can socket joint, and the pipeline internal diameter is the same as pipe fittings internal diameter after shaping, have avoided the production of the eddy current and accumulation of the particulate matter, has reduced the abrasion to the joint in the course of conveying the medium; the invention provides six key processing modes for flaring and forming a connecting port of a steel framework for embedding plastic pipe fitting reinforcement, which effectively solve the problems that vortex is easily formed when media such as liquid, solid-liquid mixture, gas and the like are conveyed, materials are easily accumulated when solid-liquid mixture and powder or particle materials are conveyed, and the reducing part with inconsistent inner drift diameter is easily abraded when pressurized conveying is carried.

The technical scheme adopted by the invention is as follows: the invention relates to a pipe fitting-shaped metal framework port flaring method for reinforcing a plastic pipe fitting, wherein holes are distributed on a pipe fitting-shaped metal flaring framework, a non-flaring port is arranged on the pipe fitting-shaped metal flaring framework, a flaring slope is arranged at the tail end of the non-flaring port on the pipe fitting-shaped metal flaring framework, a flaring straight section with the diameter larger than that of the non-flaring port is arranged on the flaring slope of the pipe fitting-shaped metal flaring framework, and the inner diameter of the pipe fitting-shaped metal flaring framework is circular.

Further, a pipe fitting shape metal framework port flaring mode for plastics pipe fitting reinforcing one, its characterized in that:

the method comprises the following steps: preparing a steel framework with a pipe fitting-shaped port and an un-flared port, wherein the total length of a straight section of the port of the steel framework comprises a flared slope and a flared straight section with the diameter larger than that of the un-flared straight section, and the required processing length is required;

step two: and (3) enabling the port of the flat end of the steel framework with the port in the shape of the pipe fitting not subjected to flaring to present a flaring slope and a flaring flat section with the diameter larger than that of the flat section without flaring in an external flaring mode, and finishing flaring processing of the port.

Further, the invention relates to a pipe fitting shape metal framework port flaring mode II for reinforcing a plastic pipe fitting, which is characterized in that:

the method comprises the following steps: preparing two steel frameworks, respectively manufacturing a steel framework with a pipe fitting-shaped port and an un-flared port, wherein the straight section of the port comprises the sum of the lengths required by the processing of a flared slope, and the steel framework of the flared straight section with the diameter larger than that of the un-flared straight section;

step two: the port of the steel framework with the shape of the pipe fitting and without the flaring port is made to be in the shape of a flaring slope in an external expansion mode, and the maximum diameter of the flaring slope after expansion is the same as the diameter of the steel framework of the flaring straight section with the diameter larger than that of the straight section without the flaring.

Step three: and welding the steel framework with the shape of the pipe fitting, wherein the steel framework is an opening-expanding slope-shaped port, and the steel framework with the straight section of the opening-expanding is welded at the position with the same diameter, so as to finish the processing.

Furthermore, the invention relates to a third forming method of a pipe fitting-shaped metal flared framework embedded into the wall thickness of a plastic pipe fitting, which is characterized in that:

the method comprises the following steps: preparing two steel frameworks, and respectively manufacturing a steel framework short pipe with a pipe fitting-shaped port and an un-flared port of the steel framework short pipe with the diameter the same as that of the pipe fitting-shaped port, wherein the length of the steel framework short pipe is equal to the sum of a flared slope and a flared straight section with the diameter larger than that of the un-flared straight section;

step two: the steel framework short pipe with the length equal to the sum of the flaring slope and the flaring straight section with the diameter larger than that of the flaring straight section is used for presenting a flaring-shaped steel framework with the minimum diameter which is the same as that of the flaring-free port of the pipe fitting shape and the maximum diameter of the flaring slope which is connected with the flaring straight section with the diameter larger than that of the flaring-free port of the pipe fitting-shaped steel framework in an external flaring mode;

step three: and welding the pipe fitting-shaped ports of the two groups of steel frameworks without flaring and the ports with the same flaring slope diameter to finish machining.

Furthermore, the invention relates to a pipe fitting shape metal framework port flaring method for reinforcing a plastic pipe fitting, which is characterized in that:

the method comprises the following steps: firstly, respectively manufacturing a steel framework with a pipe fitting-shaped port not flared, a flared slope with the minimum port diameter being the same as that of the steel framework with the pipe fitting-shaped port not flared, and a flared straight section with the maximum diameter being larger than that of the steel framework with the pipe fitting-shaped port not flared, and a flared straight section with the diameter being larger than that of the steel framework with the pipe fitting-shaped port not flared, and three steel framework parts.

Step two: and welding the three groups of steel framework components according to the shape layout of the pipe fitting-shaped metal flaring framework to finish machining.

Furthermore, the invention relates to a pipe fitting-shaped metal framework port flaring method for reinforcing a plastic pipe fitting, which is characterized in that:

the method comprises the following steps: firstly, preparing a steel framework with an un-flared pipe fitting-shaped port and two steel framework short pipes with the same diameter as the un-flared pipe fitting-shaped port, wherein one short pipe comprises a straight section and a flared slope which can be used for processing the same diameter of the un-flared pipe fitting-shaped port, and a steel framework part with the total length required by the flared straight section with the diameter larger than the diameter of the un-flared pipe fitting-shaped port.

Step two: and processing the steel framework component which comprises the straight section with the same diameter as the shape of the pipe fitting and the flaring slope and has the diameter larger than the diameter of the flaring straight section of the shape of the pipe fitting and the required total length into the flaring straight section flaring steel framework component which comprises the straight section with the same diameter as the shape of the pipe fitting and the flaring slope and has the diameter larger than the diameter of the pipe fitting shape and the flaring straight section by an external expansion mode.

Step three; and (4) respectively welding the flared steel framework part processed in the step two and the same-diameter port of the pipe fitting-shaped steel framework prepared in the step one with the steel framework short pipe with the same diameter as the port of the pipe fitting-shaped steel framework prepared in the step one, and finishing the processing.

Furthermore, the invention relates to a pipe fitting shape metal framework port flaring mode six for reinforcing a plastic pipe fitting, which is characterized in that:

the method comprises the following steps: preparing a steel framework with a pipe fitting-shaped port not being flared, a steel framework short pipe with the same diameter as the pipe fitting-shaped steel framework non-flared port, a flared slope steel framework, a flared straight section steel framework with the diameter larger than that of the pipe fitting-shaped non-flared port, and four steel framework parts.

Step two: and welding the four groups of steel framework components according to the shape layout of the metal flaring framework in the shape of the pipe fitting to finish the processing.

Further, an included angle I is formed by the flaring slope of the steel framework port and the non-flaring section of the steel framework, and is 1-179 degrees.

The invention with the structure has the following beneficial effects: the invention relates to a pipe fitting-shaped metal framework port flaring mode for reinforcing a plastic pipe fitting, which creatively provides a pipe fitting-shaped steel framework with a flaring for embedding into the wall thickness of the plastic pipe fitting, the pipe fitting-shaped steel framework with the flaring at the port is coated in the wall thickness of the pipe fitting through injection molding of an injection molding machine, and the inner layer plastic and the outer layer plastic are connected into a whole through a hole; the invention provides six key processing modes for flaring and forming a connecting port of a steel framework for embedding plastic pipe fitting reinforcement, which effectively solve the problems that vortex is easily formed when media such as liquid, solid-liquid mixture, gas and the like are conveyed, materials are easily accumulated when solid-liquid mixture and powder or particle materials are conveyed, and the reducing part with inconsistent inner drift diameter is easily abraded when pressurized conveying is carried.

Drawings

FIG. 1 is a general view of a pipe shape metal frame port flaring method for reinforcing a plastic pipe according to the present invention;

FIG. 2 is a schematic cross-sectional view of a pipe shape metal frame port flaring method for reinforcing a plastic pipe according to the present invention;

the pipe fitting comprises a pipe fitting shape metal flaring framework, a hole, an un-flaring port, a flaring slope, a flaring straight section with the diameter larger than that of the un-flaring port, and an included angle.

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

As shown in fig. 1-2, the flaring method for the port of the pipe fitting-shaped metal framework for reinforcing the plastic pipe fitting of the present invention is characterized in that holes 2 are distributed on the pipe fitting-shaped metal flaring framework 1, the pipe fitting-shaped metal flaring framework 1 is provided with a non-flaring port 3, the pipe fitting-shaped metal flaring framework 1 is provided with a flaring slope 4 at the tail end 3 of the non-flaring port, the pipe fitting-shaped metal flaring framework 1 is provided with a flaring straight section 5 with a diameter larger than that of the non-flaring port on the flaring slope 4, and the inner diameter of the pipe fitting-shaped metal flaring framework is circular.

The utility model provides a pipe fitting shape metal framework port flaring mode one for plastics pipe fitting reinforcing which characterized in that: the invention relates to a pipe fitting-shaped metal framework port flaring method for reinforcing a plastic pipe fitting, wherein holes are distributed on a pipe fitting-shaped metal flaring framework, a non-flaring port is arranged on the pipe fitting-shaped metal flaring framework, a flaring slope is arranged at the tail end of the non-flaring port on the pipe fitting-shaped metal flaring framework, a flaring straight section with the diameter larger than that of the non-flaring port is arranged on the flaring slope of the pipe fitting-shaped metal flaring framework, and the inner diameter of the pipe fitting-shaped metal flaring framework is circular.

Further, a pipe fitting shape metal framework port flaring mode for plastics pipe fitting reinforcing one, its characterized in that:

the method comprises the following steps: preparing a steel framework with a pipe fitting-shaped port and an un-flared port, wherein the total length of a straight section of the port of the steel framework comprises a flared slope and a flared straight section with the diameter larger than that of the un-flared straight section, and the required processing length is required;

step two: and the port of the flat end of the steel framework with the port in the shape of the pipe fitting is enabled to present a flaring slope and a flaring flat section with the diameter larger than that of the flaring flat section in an external flaring mode, so that the integral processing is completed.

Further, the invention relates to a pipe fitting shape metal framework port flaring mode II for reinforcing a plastic pipe fitting, which is characterized in that:

the method comprises the following steps: preparing two steel frameworks, respectively manufacturing a steel framework with a pipe fitting-shaped port and an un-flared port, wherein the straight section of the port comprises the sum of the lengths required by the processing of a flared slope, and the steel framework of the flared straight section with the diameter larger than that of the un-flared straight section;

step two: the port of the steel framework with the shape of the pipe fitting and without the flaring port is made to be in the shape of a flaring slope in an external expansion mode, and the maximum diameter of the flaring slope after expansion is the same as the diameter of the steel framework of the flaring straight section with the diameter larger than that of the straight section without the flaring.

Step three: and welding the steel framework with the shape of the pipe fitting, wherein the steel framework is an opening-expanding slope-shaped port, and the steel framework with the straight section of the opening-expanding is welded at the position with the same diameter, so as to finish the processing.

Furthermore, the invention relates to a third forming method of a pipe fitting-shaped metal flared framework embedded into the wall thickness of a plastic pipe fitting, which is characterized in that:

the method comprises the following steps: preparing two steel frameworks, and respectively manufacturing a steel framework short pipe with a pipe fitting-shaped port and an un-flared port of the steel framework short pipe with the diameter the same as that of the pipe fitting-shaped port, wherein the length of the steel framework short pipe is equal to the sum of a flared slope and a flared straight section with the diameter larger than that of the un-flared straight section;

step two: the steel framework short pipe with the length equal to the sum of the flaring slope and the flaring straight section with the diameter larger than that of the flaring straight section is used for presenting a flaring-shaped steel framework with the minimum diameter which is the same as that of the flaring-free port of the pipe fitting shape and the maximum diameter of the flaring slope which is connected with the flaring straight section with the diameter larger than that of the flaring-free port of the pipe fitting-shaped steel framework in an external flaring mode;

step three: and welding the pipe fitting-shaped ports of the two groups of steel frameworks without flaring and the ports with the same flaring slope diameter to finish machining.

Furthermore, the invention relates to a pipe fitting shape metal framework port flaring method for reinforcing a plastic pipe fitting, which is characterized in that:

the method comprises the following steps: the method comprises the steps of firstly, respectively manufacturing a steel framework with a pipe fitting-shaped port and no flaring, a flaring slope with the diameter of the minimum port being the same as that of the steel framework with the pipe fitting-shaped port and the diameter of the maximum diameter being larger than that of the steel framework with the pipe fitting-shaped port, a flaring straight section with the diameter being larger than that of the steel framework with the pipe fitting-shaped port and no flaring, and three steel framework parts.

Step two: and welding the three groups of steel framework components according to the shape layout of the pipe fitting-shaped metal flaring framework to finish machining.

Furthermore, the invention relates to a pipe fitting-shaped metal framework port flaring method for reinforcing a plastic pipe fitting, which is characterized in that:

the method comprises the following steps: firstly, preparing a steel framework with an un-flared pipe fitting-shaped port and two steel framework short pipes with the same diameter as the un-flared pipe fitting-shaped port, wherein one short pipe comprises a straight section and a flared slope which can be used for processing the same diameter of the un-flared pipe fitting-shaped port, and a steel framework part with the total length required by the flared straight section with the diameter larger than the diameter of the un-flared pipe fitting-shaped port.

Step two: and processing the steel framework component which comprises the straight section with the same diameter as the shape of the pipe fitting and the flaring slope and has the diameter larger than the diameter of the flaring straight section of the shape of the pipe fitting and the required total length into the flaring straight section flaring steel framework component which comprises the straight section with the same diameter as the shape of the pipe fitting and the flaring slope and has the diameter larger than the diameter of the pipe fitting shape and the flaring straight section by an external expansion mode.

Step three; and (4) respectively welding the flared steel framework part processed in the step two and the same-diameter port of the pipe fitting-shaped steel framework prepared in the step one with the steel framework short pipe with the same diameter as the port of the pipe fitting-shaped steel framework prepared in the step one, and finishing the processing.

Furthermore, the invention relates to a pipe fitting shape metal framework port flaring mode six for reinforcing a plastic pipe fitting, which is characterized in that:

the method comprises the following steps: preparing a steel framework with a pipe fitting-shaped port not being flared, a steel framework short pipe with the same diameter as the pipe fitting-shaped steel framework non-flared port, a flared slope steel framework, a flared straight section steel framework with the diameter larger than that of the pipe fitting-shaped non-flared port, and four steel framework parts.

Step two: and welding the four groups of steel framework components according to the shape layout of the metal flaring framework in the shape of the pipe fitting to finish the processing.

Further, an included angle I is formed by the flaring slope of the steel framework port and the non-flaring section of the steel framework, and is 1-179 degrees.

As an embodiment of the present invention, the shape of the hole 2 may be circular.

As an embodiment of the present invention, the shape of the hole 2 may be a polygon.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

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