Disclosure of Invention
In order to solve the technical problems, the invention provides the side wall outer plate and the vehicle, which reduce the number of parts of the side wall outer plate to a certain extent, simplify the structure and simplify the installation.
The technical scheme of the invention is as follows:
In a first aspect, the present invention provides a side body outer panel mounted to an outer side portion of a vehicle body frame, the side body outer panel comprising:
The sliding door comprises a body, wherein the body is of an integrated structure, and is provided with a door opening corresponding to the position of the sliding door and a middle avoidance structure for avoiding a middle slideway of the sliding door;
An upper reinforcement connected to the body and the body frame and located above the door opening;
the lower reinforcement is connected to the body and is positioned below the door opening, and the lower reinforcement and the body are both provided with a lower avoidance structure for avoiding a lower slide way of the sliding door.
In some embodiments, the upper reinforcement includes a connecting plate connected to an upper side member of the body frame and a reinforcing plate connected to the body.
In some embodiments, the upper stiffener further comprises a transition plate between the connection plate and the stiffener, the transition plate being located outside the projection of the upper longitudinal beam in the vertical direction, the connection plate being connected to the side of the upper longitudinal beam, the transition plate being disposed at an angle to both the connection plate and the stiffener.
In some embodiments, the lower stiffener is of unitary construction with the body.
In some embodiments, the middle avoidance structure is an avoidance groove, the middle slide way is arranged in the avoidance groove, and the bottom of the avoidance groove protrudes out of the inner side surface of the body to form a boss connected with the vehicle body framework;
the lower avoidance structure is an avoidance port which is communicated with the lower reinforcement and the body.
In some embodiments, the body is a non-metallic material.
In some embodiments, the side body outer panel includes a plurality of brackets connected to the inner side of the body, a plurality of the brackets are arranged at intervals, and the brackets are provided with through holes arranged at intervals with the body for positioning or connecting with the body frame.
In some embodiments, the bracket is of unitary construction with the body.
Based on the same technical idea as the first aspect, the present invention also provides a vehicle, including:
The vehicle body framework is provided with an upper longitudinal beam, a middle longitudinal beam and a lower longitudinal beam;
at least one side body outer panel as described above, the upper reinforcement being connected to the upper side member;
the sliding door comprises a door body and a slide assembly which are connected, wherein the slide assembly comprises an upper slide assembly, a middle slide assembly and a lower slide assembly, the middle slide assembly and the lower slide assembly are respectively arranged on the middle longitudinal beam and the lower longitudinal beam, the middle slide of the middle slide assembly corresponds to the middle avoidance structure position, and the lower slide of the lower slide assembly corresponds to the lower avoidance structure position.
In some embodiments, the upper run assembly includes a mounting bracket, an upper run connected to the mounting bracket, and a shield that shields the outside of the upper run, the shield being connected to the upper stiffener.
The beneficial effects of the invention at least comprise:
according to the technical scheme, the side wall outer plate is arranged at the outer side part of the vehicle body framework, the side wall outer plate integrally comprises the body, the upper reinforcing piece and the lower reinforcing piece, wherein the body is provided with the middle avoidance structure for avoiding the middle slide way of the sliding door, and the body is of an integrated structure, so that a door opening corresponding to the sliding door position needs to be formed in the body, the strength above the door opening and below the door opening can be obviously reduced after the door opening is formed, the upper reinforcing piece is connected with the body and is positioned above the door opening, the strength of the body at the position above the door opening can be improved, and the upper reinforcing piece is connected with the vehicle body framework and also plays a role in connecting the body with the vehicle body framework. The lower reinforcement with the body all is equipped with and is used for dodging down of the glide slope of sliding door dodges the structure, and the body is low in the intensity of door opening below under the dual action of door opening and dodging down the structure, is located the setting of the lower reinforcement of door opening below has improved the intensity of body below the door opening. The side wall outer plate body adopts an integrated structure, so that the number of parts of the side wall outer plate is reduced, the installation is simpler, the body, the door opening and the lower avoidance structure of the integrated structure are designed, the strength of the body above and below the door opening is reduced, and the strength of the body is improved by the arrangement of the upper reinforcing piece and the lower reinforcing piece.
Detailed Description
In order to make the technical field of the present application more clearly understood, the following detailed description of the technical scheme of the present application will be given by way of specific embodiments with reference to the accompanying drawings.
In the related art, a side wall outer plate of a vehicle is generally used as a plurality of sheet metal parts, so that the number of structural parts is large, and the installation is complex. The invention provides a side wall outer plate and a vehicle, which at least simplify the number of structural members of the side wall outer plate to a certain extent and simplify the installation steps.
Referring to fig. 1, 2, 3 and 10, in a first aspect, the present invention provides a side wall outer panel 100, wherein the side wall outer panel 100 is mounted on an outer side portion of a vehicle body frame 200, the side wall outer panel 100 includes a body 110, an upper reinforcement 120 and a lower reinforcement 130, the body 110 is in an integral structure, the body 110 is provided with a door opening 111 corresponding to a sliding door position and a middle avoidance structure 112 for avoiding a middle slide of the sliding door, the upper reinforcement 120 is connected to the body 110 and the vehicle body frame 200 and is located above the door opening 111, the lower reinforcement 130 is connected to the body 110 and is located below the door opening 111, and the lower reinforcement 130 and the body 110 are provided with lower avoidance structures 131 for avoiding a lower slide of the sliding door.
The side wall outer plate 100 integrally comprises a body 110, an upper reinforcement 120 and a lower reinforcement 130, wherein the body 110 is provided with a middle avoidance structure 112 avoiding a middle slideway of a sliding door, the body 110 is of an integrated structure, so that a door opening 111 corresponding to the sliding door position needs to be formed on the body, the strength above the door opening 111 and below the door opening 111 can be obviously reduced after the door opening 111 is formed, the upper reinforcement 120 is connected with the body 110 and is positioned above the door opening 111, the strength of the body 110 at the position above the door opening 111 can be improved, and the upper reinforcement 120 also plays a role of connecting the body 110 with the body framework 200 because the upper reinforcement 120 is connected with the body framework 200. The lower reinforcement 130 and the body 110 are both provided with a lower avoidance structure 131 for avoiding the lower slide way of the sliding door, the strength of the body 110 below the door opening 111 is low under the dual actions of the door opening 111 and the lower avoidance structure 131, and the strength of the body 110 below the door opening 111 is improved due to the arrangement of the lower reinforcement 130 below the door opening 111. The body 110 of the side wall outer plate 100 adopts an integrated structure, so that the number of structural members of the side wall outer plate 100 is reduced, the installation is simpler, the body 110, the door opening 111 and the lower avoidance structure 131 of the integrated structure are designed, the strength of the body 110 above and below the door opening 111 is reduced, and the strength of the body 110 is improved by the arrangement of the upper reinforcing piece 120 and the lower reinforcing piece 130.
In some embodiments, referring to fig. 10, the upper reinforcement 120 includes a connection plate 121 and a reinforcement plate 122 connected to each other, the connection plate 121 is connected to the upper side member 210 of the body frame 200, and the reinforcement plate 122 is connected to the body 110. The connecting plate 121 and the reinforcing plate 122 may be a split structure or a unitary structure, and in some embodiments, the connecting plate 121 and the reinforcing plate 122 are a unitary structure. In some embodiments, the connecting plate 121 and the reinforcing plate 122 have an included angle, so that the positions of the body 110 and the upper longitudinal beam 210 can be matched, and the connecting plate 121 can be connected to the side surface of the upper longitudinal beam 210 or the bottom surface of the upper longitudinal beam 210. The connecting plate 121 and the upper longitudinal beam 210 can be welded or screwed.
In some embodiments, as shown in fig. 10, the upper reinforcement member 120 further includes a transition plate 123 disposed between the connection plate 121 and the reinforcement plate 122, the transition plate 123 is located outside the vertical projection of the upper longitudinal beam 210, the connection plate 121 is connected to the side surface of the upper longitudinal beam 210, and the transition plate 123 is disposed at an angle to both the connection plate 121 and the reinforcement plate 122. The transition plate 123 is provided such that there is a distance between the body 110 and the body frame 200, thereby increasing the accommodation space of the vehicle interior. In some embodiments, the transition plate 123 may extend in a horizontal direction, the reinforcement plate 122 being disposed obliquely, and a lower end of the reinforcement plate 122 being remote from the body frame 200.
In some embodiments, the connection plate 121, the transition plate 123 and the reinforcing plate 122 may be in a split structure, and welded connection, and in other embodiments, the connection plate 121, the transition plate 123 and the reinforcing plate 122 are in an integrated structure, and are obtained by deforming a plate, so that the strength is high. In some embodiments, the end of the reinforcement panel 122 remote from the transition panel 123 is inclined downward so that space above the transition panel 123 can be used to secure the side fascia outer panel 100 in a reasonably well-distributed manner.
In some embodiments, the lower reinforcement 130 is formed as a separate structure from the body 110, and is obtained by welding or adhesive bonding, for example, when the body 110 is made of a non-metal material, such as carbon fiber, and the lower reinforcement 130 is made of steel, the lower reinforcement 130 is bonded to the body 110 by structural adhesive. In some embodiments, the lower reinforcement 130 is integrally formed with the body 110, thereby further reducing the number of structural members of the side body outer panel 100 and simplifying the installation process. When the lower reinforcement 130 and the body 110 are integrally formed, the lower reinforcement 130 may be embedded in the body 110 or may be obtained by casting.
In some embodiments, please combine fig. 1, the middle avoidance structure 112 is an avoidance groove, the middle slide way is arranged in the avoidance groove, the groove bottom of the avoidance groove protrudes out of the inner side surface of the body 110 to form a boss connected with the vehicle body framework 200, the strength of the body 110 in the length direction of the vehicle body is improved due to the arrangement of the avoidance groove, and the avoidance of the middle slide way is realized, so that the appearance of the vehicle is attractive. The bottom of the avoidance groove is provided with a connecting hole, the middle slide rail is connected to the vehicle body framework 200 through a screw penetrating through the connecting hole, and therefore, the fixed installation of the middle slide rail is achieved, and the connection between the body 110 and the vehicle body framework 200 is also achieved. In some embodiments, referring to fig. 2 and 11, a middle slide mounting protrusion 119 attached to the middle longitudinal beam 220 of the vehicle body frame 200 is provided at the bottom of the avoidance groove, a connecting hole is provided on the middle slide mounting protrusion 119, a bolt connecting hole is provided on the through middle slide, and the middle longitudinal beam 220, the body 110 and the middle slide are connected by bolts penetrating through the connecting hole. The bottom of the avoidance groove is also provided with an exterior trim mounting boss 117 for mounting the exterior trim 400. The inner side of the body 110 is a side close to the body frame 200, and the outer side of the body 110 is a side far from the body frame 200.
In some embodiments, the lower avoidance structure 131 is a through and communicating avoidance opening on the lower reinforcement 130 and the body 110, so that the lower slider of the sliding door can conveniently extend into the glidepath through the avoidance opening. The lower reinforcement 130 may be the lower reinforcement plate 122, the lower reinforcement 130 and the body 110 may be an integral structure or a split structure, the lower reinforcement 130 and the body 110 may be an integral structure, and the number of structural members may be reduced, so that the installation is simpler. The lower reinforcement 130 is a lower reinforcement plate 122, and the lower reinforcement plate 122 is bent at the edge of the escape opening to form a lower edge of the door opening 111 with the body 110.
In some embodiments, the body 110 is made of a non-metal material or a metal material, the body 110 can be made of a carbon fiber material, the weight is light, the endurance mileage is improved when the vehicle is an electric vehicle, and the body 110 can also be made of an aerogel composite material, so that the weight is light and the high temperature resistance is realized. In other embodiments, the body 110 may be made of steel, which is less effective than non-metallic materials, but is less costly.
In some embodiments, referring to fig. 2, the side-wall outer panel 100 includes a plurality of brackets 140 connected to the inner side of the body 110, the plurality of brackets 140 are arranged at intervals, the brackets 140 are provided with through holes arranged at intervals with the body 110 and used for positioning or connecting with the body frame 200, and the through holes arranged by the brackets 140 can be used for positioning the body 110 and the body frame 200, and can also be used as connecting holes for connecting the body 110 and the body frame 200. The number of the brackets 140 may be determined according to need, and the brackets 140 may be two, three, four or five, and the specific positions of the brackets 140 may be determined according to need, for example, the body 110 is provided with the brackets 140 at both sides of the door opening 111 in the width direction.
In some embodiments, the support 140 and the body 110 are integrally formed, and in other embodiments, the support 140 and the body 110 may be separately formed and connected by welding. When the body 110 is formed by a carbon fiber material layering process, the bracket 140 may be pre-embedded in the body 110 and then layered.
In some embodiments, referring to fig. 4 and fig. 7, the bracket 140 includes a positioning connection plate 142 and pre-buried plates 143 respectively connected to two ends of the positioning connection plate 142, the two pre-buried plates 143 are connected to the inner side of the body 110, the positioning connection plate 142 is spaced from the body 110, and the positioning connection plate 142 is provided with a through hole. When the through hole is used as a connecting hole, a nut 141 coaxially communicated with the through hole is connected to the positioning connection plate 142, the nut 141 is located between the positioning connection plate 142 and the body 110, and the connection between the body frame 200 and the nut 141 is realized through a screw, so that the bracket 140 is connected with the body frame 200, and the body 110 is fixed on the body frame 200.
In some embodiments, when the body 110 is made of carbon fiber material by layering, the placement of the pre-buried plate 143 of the bracket 140 improves the strength of the body 110 at that location to some extent. The material of the bracket 140 may be steel, or may be carbon fiber bracket 140 made by layering process, which is not limited in the present application.
In some embodiments, the bracket 140, the lower reinforcement 130 and the body 110 are integrally formed, and are made of carbon fiber material through a layering process, so that the number of structures of the side wall outer panel 100 is simplified, and the installation process is simple.
In some embodiments, referring to fig. 1 and 9, the body 110 is provided with a radar mounting protrusion 113 for mounting the first radar, and the radar mounting protrusion 113 is provided with a mounting through hole. Referring to fig. 1, 5 and 8, the side wall outer panel 100 further includes a radar mounting block 150 for mounting a second radar, the radar mounting block 150 is located inside the main body 110, the radar mounting block 150 is provided with a mounting surface 153 disposed at an inclined position and far from the main body 110, a first radar mounting hole 151 penetrating the mounting surface 153, and an embedded portion 152, and the main body 110 is provided with a second radar mounting hole 114 coaxially communicating with the first radar mounting hole 151.
The first radar may be a lidar and the second radar may be an ultrasonic radar providing an obstacle position signal for driving of the vehicle. The radar installation protrusion 113 is provided with an installation through hole, and the circumference outside the installation through hole is turned over so as to be attached to the surface of the first radar. The radar mounting block 150 can be pre-embedded in the body 110, so that the radar mounting block 150 and the body 110 are of an integrated structure, the number of parts is reduced, and the adjustment of the second radar mounting angle is realized on the premise of ensuring that the outer profile is not changed through the pre-embedded radar mounting block 150 and the change of the inclination angle of the mounting surface 153.
In some embodiments, referring to fig. 1, the body 110 is provided with two glass mounting countersinks 115 for mounting the side glass 800, the bottom of the glass mounting countersinks 115 is connected to the body frame 200, the glass mounting countersinks 115 are provided with perspective through holes, and the two glass mounting countersinks 115 are located at two sides of the width direction of the door opening 111. The side glass 800 is attached to the glass mount sink deck 115 by gluing. With continued reference to fig. 1, the body 110 is further provided with a mounting counterbore 116, and a clamping structure clamped with the camera bracket 140 is connected to an inner wall of the mounting counterbore 116.
In some embodiments, the body 110 is provided with glass mounting surfaces for connecting the windshield 700 on both sides in the longitudinal direction of the vehicle body, respectively, without providing an additional mounting structure, and the windshield 700 is connected to the glass mounting surfaces by gluing.
Based on the same technical concept as the first aspect, the invention also provides a vehicle with fewer parts, and the cost for developing the die is reduced.
Referring to fig. 1 and 6, the vehicle provided by the embodiment of the invention includes a body frame 200, a side outer panel 100 and a sliding door, wherein the body frame 200 is provided with an upper longitudinal beam 210, a middle longitudinal beam 220 and a lower longitudinal beam, the side outer panel 100 is provided with at least one upper reinforcement 120 connected to the upper longitudinal beam 210, the sliding door includes a door body and a sliding track assembly connected to each other, the sliding track assembly includes an upper sliding track assembly 310, a middle sliding track assembly 320 and a lower sliding track assembly 330, the middle sliding track assembly 320 and the lower sliding track assembly 330 are respectively installed on the middle longitudinal beam 220 and the lower longitudinal beam, the middle sliding track of the middle sliding track assembly 320 corresponds to the middle avoiding structure 112 in position, and the lower sliding track of the lower sliding track assembly 330 corresponds to the lower avoiding structure 131 in position.
In some embodiments, the body skeleton 200 may be a frame-type body, such as a body of an unmanned bus of an intelligent network demonstration park, and the type of vehicle is mostly an electric vehicle, and the number of the vehicles is relatively small, so the integrated side wall outer panel 100 can simplify the number of parts, shorten the development period, reduce the mold investment, and reduce the comprehensive cost of vehicle production. The carbon fiber side wall outer plate 100 has high strength, less mold investment and low density, and can reduce the dead weight of the vehicle and improve the endurance mileage.
In some embodiments, referring to fig. 10, the upper slide assembly 310 includes a mounting bracket 311, an upper slide 312 coupled to the mounting bracket 311, and a shield 313 outside the upper slide 312, the shield 313 coupled to the upper stiffener 120. Specifically, the shield 313 is connected to the transition plate 123 of the upper stiffener 120. The shielding member 313 is positioned at the outer side of the upper slide rail 312 to shield the upper slide rail 312, thereby preventing the upper slide rail 312 from being exposed to affect the beauty when a user opens and closes the sliding door, and protecting the upper slide rail 312 from foreign matters entering the upper slide rail 312.
In some embodiments, the shield 313 may be a brush, having a certain elasticity, and the slider is positioned in the upper slideway 312120, and can be deformed with the mounting arm for mounting the slider when the sliding door moves along the length direction of the vehicle body, without interfering with the reciprocating movement of the mounting arm along the length direction of the vehicle body.
In some embodiments, as shown in fig. 10, the transition plate 123 of the upper stiffener 120 is connected with a nest 314 for fixing the shielding member 313, the nest 314 can extend along the length direction of the upper slideway 312, and the nest 314 is connected with the shielding member 313 in an embedded manner, so that the convenience of replacing the shielding member 313 is improved. The vertical dimension of the shield 313 is greater than the dimension of the upper run 312 to completely shield the upper run 312.
In some embodiments, continuing with fig. 10, the mounting bracket 311 includes an angularly disposed slide connection plate 311a and a slide mounting plate 311b that are connected, the slide connection plate 311a being connected to the upper longitudinal beam 210 and/or the upper stiffener 120, the slide mounting plate 311b being connected to the upper slide 312, the upper slide 312 being at a height that is lower than the upper longitudinal beam 210 such that the position of the upper slide 312 corresponds to the position of the door opening 111. If the height of the upper run 312 is flush with the upper stringers 210, the vertical dimension of the door opening 111 needs to be increased, which reduces the vertical dimension of the side fascia exterior panel 100 above the door opening 111, thereby reducing the strength of the side fascia exterior panel 100 in the position above the door opening 111. The application adopts the design that the upper slide way 312 is lower than the upper longitudinal beam 210, thereby realizing the hoisting connection of the upper slide way 312 to the frame type vehicle body without influencing the connection of the top cover 600 and the vehicle body framework 200.
In some embodiments, as shown in fig. 10, the slideway connecting plate 311a is connected to the bottom surface of the upper longitudinal beam 210, and the connecting plate 121 of the upper reinforcement 120 is connected to the side surface of the upper longitudinal beam 210, and the two connecting plates are not interfered with each other, so that the connection strength is improved.
In some embodiments, the slide connection plate 311a and the slide mounting plate 311b may be in a split structure or an integral structure, and in some embodiments, the slide connection plate 311a and the slide mounting plate 311b are in an integral structure, and are obtained through bending deformation, so that the connection strength of the two is higher. In some embodiments, the slideway connecting plate 311a and the upper longitudinal beam 210 can be welded or screwed. The slide connection plate 311a and the slide mounting plate 311b may be perpendicular to each other, and an included angle between the slide connection plate 311a and the slide mounting plate 311b may be an acute angle or an obtuse angle.
In some embodiments, with continued reference to fig. 10, the upper slide 312 and the slide mounting plate 311b are both located outside the projection range of the upper longitudinal beam 210 in the vertical direction, so that the slide mounting plate 311b extends out of the vehicle body frame 200, so as to increase the accommodating space surrounded by the sliding door and the vehicle body frame 200. In some embodiments, one end of the slide connection plate 311a is connected to the bottom surface of the upper longitudinal beam 210, and the other end extends out of the vehicle body framework 200, so that the slide mounting plate 311b is located outside the projection range of the upper longitudinal beam 210 in the vertical direction.
In some embodiments, the upper slide 312 includes a connecting upper slide plate and two side upper slide plates, both ends of the connecting upper slide plate being connected to the other two side upper slide plates, respectively, the connecting upper slide plate and the two side upper slide plates enclosing a space with a lower opening for sliding of the upper slide, one of the side upper slide plates extending downward, and the slide mounting plate 311b being connected to the downward extending portion of one of the side upper slide plates. The slide mounting plate 311b can be screwed with or welded to one of the side upper slide plates.
In some embodiments, referring to fig. 13, the vehicle further includes a top cover 600, wherein an upward top cover bonding surface is provided on the top of the side outer panel 100, and the top cover 600 is connected to the top cover bonding surface, and the top cover bonding surface is located above the transition plate 123. The top cover joint surface is provided with a bolt via hole, and the top cover 600 is connected with the side wall outer plate 100 by passing through the bolt via hole through a bolt.
In some embodiments, referring to fig. 12 and 13, the vehicle further includes a floor 500 coupled to the body frame 200, and the body 110 is provided with a floor coupling protrusion 118, and the floor coupling protrusion 118 is coupled to an upturned edge of the floor 500.
Taking the main body 110 as a carbon fiber material as an example, the installation steps of the side wall outer panel 100 provided in the embodiment of the application are as follows:
The first step, coating a glue point on the inner side surface of a glass installation sinking table 115 of a body 110 and a glue point on the inner side surface of a side area of a door opening 111, coating a structural glue on the corresponding position of a vehicle body framework 200 at the middle lower inner side glue point of the body 110;
And a second step of clamping the side outer panel 100 to the body 110 using a jig for positioning through holes to match with corresponding positioning pins on the body frame 200 so that the positioning pins are inserted into the positioned through holes to position and pre-hang the side outer panel 100.
Thirdly, a plurality of bolts are used to pass through the corresponding connecting holes of the nuts 141 on the bracket 140 and the vehicle body framework 200 in a one-to-one correspondence manner, so that the side wall outer plate 100 is fixed on the vehicle body framework 200;
Fourth, after the top cover 600 is assembled to the top of the side body outer panel 100 and the body frame 200, the top cover 600 and the side body outer panel 100 are fixed by bolts through bolt holes reserved at the top of the side body outer panel 100, thus completing the assembly of one side body outer panel 100.
The side wall outer panel 100 and the vehicle provided by the application have at least the following advantages:
(1) The side wall outer plate 100 adopts an integrated structure, reduces the number of parts, and has simple installation process and high efficiency.
(2) The door opening 111 is formed in the body 110 of the side wall outer plate 100, the reinforcing piece 120 is adhered to the upper portion of the door opening 111, the lower reinforcing piece 130 is embedded below the door opening 111, the strength of the side wall outer plate 100 is improved, the number of parts is small, and the installation process is simpler than that of sheet metal parts.
(3) The upper reinforcement 120 has a function of improving the strength of the side outer panel 100 and also functions as a mounting structure of the shade 313.
(4) A plurality of brackets 140 for positioning and fixing are pre-buried on the body 110, so that the positioning and connection between the side wall outer plate 100 and the vehicle body framework 200 are realized without increasing the number of parts.
(5) The side wall outer plate 100 adopts a carbon fiber integrated structure, so that the weight of the side wall outer plate is reduced, and the endurance mileage of the unmanned vehicle is improved.
(6) The connection of the upper slide 312 and the frame-type vehicle body is realized by adopting a hoisting type structure, the slide arrangement of the frame-type vehicle body is realized, and the accommodating space in the vehicle is also increased.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.