Summary of the invention
The technical problem to be solved in the present invention is,, Assembly &Disassembly complicated for the mounting structure that is wound around bottle and steel cylinder in the CNG gas supply system of touristy coach in prior art be very a little less than inconvenience, installation strength and the above-mentioned defect such as safety factor is low, provide a kind of mounting structure that is wound around bottle and steel cylinder simply, be easy for installation and removal, installation strength is good and safety factor the is high CNG gas supply system mounting structure for touristy coach.
The technical solution adopted for the present invention to solve the technical problems is as follows:
A kind of CNG gas supply system mounting structure for touristy coach, comprise and be wound around bottle mounting bracket, be wound around bottle mounting bracket and be arranged in the boot compartment of touristy coach, and a winding bottle mounting bracket comprises fixed frame, the first central support, the second central support, the first upper bracket and the second upper bracket;
The first mounting rail of fixed frame and the second mounting rail bottom outside are respectively equipped with first prolongs limit and second and prolongs limit, and fixed frame is prolonged limit and second by first and prolonged limit and be connected with the skeleton of boot compartment;
On the first mounting rail, be provided with successively from left to right the first erecting bed, the first groove, the second groove and the second erecting bed; On the second mounting rail, be provided with successively from left to right the 3rd erecting bed, the 3rd groove, the 4th groove and the 4th erecting bed;
The first central support top is provided with the first middle connected unit, the first upper groove and the second upper groove from left to right successively, and the first central support bottom is provided with the first low groove, the second low groove and the second middle connected unit from left to right successively; In the middle of second, connected unit is positioned at the second upper groove lower position, and in the middle of second, connected unit right side is also provided with the 11 middle connected unit;
The second central support top is provided with the 3rd middle connected unit, the 3rd upper groove and the 4th upper groove from left to right successively, and the second central support bottom is provided with the 3rd low groove, the 4th low groove and the 4th middle connected unit from left to right successively; In the middle of the 4th, connected unit is positioned at the 4th upper groove lower position, and in the middle of the 4th, connected unit right side is also provided with the 12 middle connected unit;
The first upper bracket bottom is provided with the first top groove and the second top groove from left to right successively, and on the left of the first top groove and the second groove right side, top is respectively equipped with the first fixed way and the second fixed way;
The second upper bracket bottom is provided with the 3rd top groove and the 4th top groove from left to right successively, and on the left of the 3rd top groove and the 4th groove right side, top is respectively equipped with the 3rd fixed way and the 4th fixed way;
The first groove, the second groove, the 3rd groove, the 4th groove, the first upper groove, the second upper groove, the 3rd upper groove and the 4th upper groove are corresponding with the first low groove, the second low groove, the 3rd low groove, the 4th low groove, the first top groove, the second top groove, the 3rd top groove and the 4th top groove respectively;
The first erecting bed, the second erecting bed, the 3rd erecting bed and the 4th erecting bed top are detachably connected with connected unit, the second middle connected unit, the 3rd middle connected unit and the 4th middle connected unit bottom in the middle of first respectively, and in the middle of first, connected unit, the 11 middle connected unit, the 3rd middle connected unit and the 12 middle connected unit top removably connect with the first fixed way, the second fixed way, the 3rd fixed way and the 4th fixed way respectively.
The present invention comprises a winding bottle mounting bracket for the CNG gas supply system mounting structure of touristy coach, this winding bottle mounting bracket is arranged in the boot compartment of touristy coach, substituted in prior art and will be wound around bottle mounting bracket and be arranged on the design of roof, can avoid when car bumps, being wound around bottle becomes flexible or comes off, contribute to strengthen the installation strength that is wound around bottle, greatly improved its safety performance, in addition, winding bottle mounting bracket is arranged in boot compartment, take full advantage of idle space, contribute to a great extent to save installing space.
In the present invention, be wound around bottle mounting bracket and comprise fixed frame, the first central support, the second central support, the first upper bracket and the second upper bracket, structure is very simple; Wherein, the first mounting rail of fixed frame and the second mounting rail bottom outside are respectively equipped with first and prolong limit and second and prolong limit, and first prolong limit and second and prolong limit and be all connected with the skeleton of boot compartment, by first, prolong limit and second and prolong limit and fixed frame is arranged on the skeleton of boot compartment, such design has facilitated the Assembly &Disassembly of fixed frame.
At the CNG gas supply system mounting structure for touristy coach of the present invention, the first groove, the second groove, the 3rd groove, the 4th groove, the first upper groove, the second upper groove, the 3rd upper groove and the 4th upper groove respectively with the first low groove, the second low groove, the 3rd low groove, the 4th low groove, the first top groove, the second top groove, the 3rd top groove and the 4th top groove are corresponding, wherein, the first groove and the 3rd groove respectively with the design of the first low groove and the 3rd low groove, formed and can hold a space that is wound around bottle, the design corresponding with the second low groove and the 4th low groove respectively of the second groove and the 4th groove, formed and can hold second space that is wound around bottle, the design corresponding with the first top groove and the 3rd top groove respectively of the first upper groove and the 3rd upper groove, formed again and can hold the 3rd space that is wound around bottle, finally, the design corresponding with the second top groove and the 4th top groove respectively of the second upper groove and the 4th upper groove, also formed and can hold the 4th space that is wound around bottle, be that winding bottle mounting bracket of the present invention can assemble four winding bottles simultaneously, can meet to a certain extent the requirement of touristy coach to larger continual mileage.
In addition, at the CNG gas supply system mounting structure for touristy coach of the present invention, the first erecting bed, the second erecting bed, the 3rd erecting bed and the 4th erecting bed top respectively with first in the middle of connected unit, connected unit in the middle of second, in the middle of the 3rd, connected unit is connected with connected unit bottom in the middle of the 4th, and connected unit in the middle of first, connected unit in the middle of the 11, in the middle of the 3rd in the middle of connected unit and the 12 connected unit top respectively with the first fixed way, the second fixed way, the 3rd fixed way and the 4th fixed way removably connect, such design has not only facilitated the Assembly &Disassembly that is wound around bottle, and fixed frame and the first central support and the second central support bottom, the first central support and the second central support top respectively with the first upper bracket and the second upper bracket between be connected and be multiple spot and connect, strengthened the described bottle mounting bracket that is wound around to being wound around the installation strength of bottle, also improved its safety factor.
After four being wound around on bottle winding bottle mounting bracket that is arranged on said structure, between two adjacent winding bottles, can make full use of application force and antagonistic force each other, greatly strengthened the constant intensity and the installation strength that are wound around bottle, made be wound around the installation of bottle and fix more solid and reliable.
In addition, in technical scheme of the present invention, above-mentioned first prolongs limit and second prolongs and on limit, is respectively equipped with at least one the first brace rods and at least one the second brace rods; Between the first mounting rail and the second mounting rail, be provided with the 3rd brace rod, the 4th brace rod and the 5th brace rod, and the 3rd brace rod, the 4th brace rod and the 5th brace rod radially distribute; On above-mentioned the first central support, the second central support, the first upper bracket and the second upper bracket, be respectively equipped with at least one 6th brace rods, at least one 7th brace rods, at least one 8th brace rods and at least one 9th brace rods.The arranging of this first brace rod, the second brace rod, the 6th brace rod, the 7th brace rod, the 8th brace rod and the 9th brace rod strengthened respectively first and prolonged the intensity that limit, the first central support, the second central support, the first upper bracket and the second upper bracket are prolonged in limit, second; The 3rd brace rod, the 4th brace rod and the 5th brace rod the Joint strenght having increased between the first mounting rail and the second mounting rail is set, and the 3rd brace rod, the 4th brace rod and the 5th brace rod radially distribute, further strengthen the Joint strenght between the first mounting rail and the second mounting rail, also contributed to strengthen the bulk strength of fixed frame.
As a kind of improvement to technical scheme of the present invention, between the first groove and the second groove, be provided with the 5th erecting bed, between the 3rd groove and the 4th groove, be provided with the 6th erecting bed, connected unit in the middle of being provided with the 5th between the first low groove and the second low groove, connected unit in the middle of being provided with the 6th between the 3rd low groove and the 4th low groove, and the 5th erecting bed and the 6th erecting bed removably connect with the 5th middle connected unit and the 6th middle connected unit respectively.The 5th erecting bed and the 6th erecting bed removably connecting respectively and between the 5th middle connected unit and the 6th middle connected unit, further strengthen the Joint strenght between above-mentioned fixed frame and the first central support and the second central support, also contributed to strengthen the installation strength that is wound around bottle.
As a kind of improvement to technical scheme of the present invention, connected unit in the middle of being provided with the 7th between connected unit and the first upper groove in the middle of first, connected unit in the middle of being provided with the 8th between connected unit and the 3rd upper groove in the middle of the 3rd, between the first fixed way and the first top groove, be provided with the 5th fixed way, between the 3rd fixed way and the 3rd top groove, be provided with the 6th fixed way, and in the middle of the 7th middle connected unit and the 8th, connected unit removably connects with the 5th fixed way and the 6th fixed way respectively.The design that in the middle of connected unit and the 8th, connected unit removably connects with the 5th fixed way and the 6th fixed way respectively in the middle of the 7th, further strengthened above-mentioned the first central support and the second central support respectively with the Joint strenght of the first upper bracket and the second upper bracket, equally, also contribute to strengthen the installation strength that is wound around bottle.
As a kind of improvement to technical scheme of the present invention, connected unit in the middle of being provided with the 9th between the first upper groove and the second upper groove, connected unit in the middle of being provided with the tenth between the 3rd upper groove and the 4th upper groove, between the first top groove and the second top groove, be provided with the 7th fixed way, between the 3rd top groove and the 4th top groove, be provided with the 8th fixed way, and in the middle of the 9th middle connected unit and the tenth, connected unit removably connects with the 7th fixed way and the 8th fixed way respectively.Same as above, the design that in the middle of connected unit and the tenth, connected unit removably connects with the 7th fixed way and the 8th fixed way respectively in the middle of the 9th also further strengthened above-mentioned the first central support and the second central support respectively with the Joint strenght of the first upper bracket and the second upper bracket, also contribute to strengthen the installation strength that is wound around bottle.
As a kind of improvement to technical scheme of the present invention, the second erecting bed and the 4th erecting bed right side are also respectively equipped with the 7th erecting bed and the 8th erecting bed, and the 7th erecting bed and the 8th erecting bed respectively with the 11 in the middle of in the middle of connected unit bottom and the 12 connected unit bottom removably connect.The 7th erecting bed and the 8th erecting bed respectively and the design that in the middle of the 11, in the middle of connected unit bottom and the 12, connected unit bottom removably connects also further strengthened the Joint strenght between above-mentioned fixed frame and the first central support and the second central support, meanwhile, also contribute to strengthen the installation strength that is wound around bottle.
As a kind of improvement to technical scheme of the present invention, also comprise and be arranged on the steel cylinder mounting bracket on skeleton between the propons of touristy coach and boot compartment, and steel cylinder mounting bracket comprises firm banking and hoop bracket;
Firm banking comprises adapter plate and is located at the bracket on adapter plate top, and bracket top indent, and between the propons of adapter plate and touristy coach and boot compartment, skeleton is connected;
Hoop bracket comprises that cross section is the anchor ear body of " U " shape, and two ends, anchor ear body left and right are respectively equipped with left fabricated section and right fabricated section;
Bracket forms steel cylinder spatial accommodation between anchor ear body inside bottom and the two, and left fabricated section and right fabricated section removably connect with two ends, adapter plate left and right respectively.
In technical scheme of the present invention, steel cylinder mounting bracket is arranged on the propons and the skeleton between boot compartment of touristy coach, and the winding bottle mounting bracket of said structure is arranged in the boot compartment of touristy coach, such design meets the large feature of little, the rear bridge bearing ability of front bridge bearing ability, contribute to improve the safety factor that is wound around bottle and steel cylinder installation, and make the layout of winding bottle and steel cylinder more reasonable.
In technical scheme of the present invention, steel cylinder mounting bracket comprises firm banking and hoop bracket, simple in structure; Wherein, bracket is positioned at anchor ear body inside bottom and the two support forms steel cylinder spatial accommodation, and left fabricated section and right fabricated section removably connect with two ends, adapter plate left and right respectively, and such design has facilitated the Assembly &Disassembly of steel cylinder.
In addition, between the propons of above-mentioned adapter plate and touristy coach and boot compartment, skeleton is connected, and such being designed with helps strengthen the installation strength of steel cylinder, safe and reliable.
As a kind of improvement to technical scheme of the present invention, on left fabricated section and right fabricated section, be equipped with L shaped reinforced rib.The setting of L shaped reinforced rib has not only facilitated the installation at left fabricated section and right fabricated section and two ends, adapter plate left and right, but also has strengthened widely the intensity of left fabricated section and right fabricated section.
In addition, in technical scheme of the present invention, all for what be specifically noted, all can realize the technical program by the conventional means in employing this area.
Therefore, the CNG gas supply system mounting structure for touristy coach provided by the invention comprises winding bottle mounting bracket simple in structure and steel cylinder mounting bracket, and convenient installation, dismounting are wound around bottle and steel cylinder, and its installation strength is good, and safety factor is high.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is that the present invention is for the structural representation of the CNG gas supply system mounting structure of touristy coach;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1;
Fig. 3 is the partial enlarged drawing at B place in Fig. 1;
Fig. 4 is the structural representation of fixed frame;
Fig. 5 is the birds-eye view of Fig. 4;
Fig. 6 is the structural representation of the first central support;
Fig. 7 is the structural representation of the second central support;
Fig. 8 is the structural representation of the first upper bracket;
Fig. 9 is the structural representation of the second upper bracket;
Figure 10 is the structural representation of hoop bracket;
Figure 11 is the structural representation of firm banking;
Now that the label declaration in accompanying drawing is as follows: 1 is fixed frame, 1.1 is the first mounting rail, 1.11 is the first erecting bed, 1.12 is the first groove, 1.13 is the second groove, 1.14 is the second erecting bed, 1.15 is the 5th erecting bed, 1.16 is the 7th erecting bed, 1.2 is the second mounting rail, 1.21 is the 3rd erecting bed, 1.22 is the 3rd groove, 1.23 is the 4th groove, 1.24 is the 4th erecting bed, 1.25 is the 6th erecting bed, 1.26 is the 8th erecting bed, 2 is the first central support, 2.1 is the first middle connected unit, 2.2 is the first upper groove, 2.3 is the second upper groove, 2.4 is the first low groove, 2.5 is the second low groove, 2.6 is the second middle connected unit, 2.7 is the 11 middle connected unit, 2.8 is the 5th middle connected unit, 2.9 is the 7th middle connected unit, 2.10 is the 9th middle connected unit, 3 is the second central support, 3.1 is the 3rd middle connected unit, 3.2 is the 3rd upper groove, 3.3 is the 4th upper groove, 3.4 is the 3rd low groove, 3.5 is the 4th low groove, 3.6 is the 4th middle connected unit, 3.7 is the 12 middle connected unit, 3.8 is the 6th middle connected unit, 3.9 is the 8th middle connected unit, 3.10 is the tenth middle connected unit, 4 is the first upper bracket, 4.1 is the first top groove, 4.2 is the second top groove, 4.3 is the first fixed way, 4.4 is the second fixed way, 4.5 is the 5th fixed way, 4.6 is the 7th fixed way, 5 is the second upper bracket, 5.1 is the 3rd top groove, 5.2 is the 4th top groove, 5.3 is the 3rd fixed way, 5.4 is the 4th fixed way, 5.5 is the 6th fixed way, 5.6 is the 8th fixed way, 6 is first to prolong limit, 7 is second to prolong limit, 8 is boot compartment, 8.1 is skeleton, 9 is firm banking, 9.1 is adapter plate, 9.2 is bracket, 10 is hoop bracket, 10.1 is anchor ear body, 10.2 is left fabricated section, 10.3 is right fabricated section, 11 is skeleton between propons and boot compartment, 12 is L shaped reinforced rib, 13 is the first brace rod, 14 is the second brace rod, 15 is the 3rd brace rod, 16 is the 4th brace rod, 17 is the 5th brace rod, 18 is the 6th brace rod, 19 is the 7th brace rod, 20 is the 8th brace rod, 21 is the 9th brace rod.
The specific embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
In the present embodiment preferred embodiment, a kind of CNG gas supply system mounting structure for touristy coach, comprise and be wound around bottle mounting bracket and steel cylinder mounting bracket, wherein, as shown in Figure 1, be wound around a bottle mounting bracket and be arranged in the boot compartment 8 of touristy coach, and steel cylinder mounting bracket is arranged between the propons of touristy coach and boot compartment on skeleton 11.
As shown in Figure 2, above-mentioned winding bottle mounting bracket comprises fixed frame 1, the first central support 2, the second central support 3, the first upper bracket 4 and the second upper bracket 5.
As shown in Figure 5, the first mounting rail 1.1 of above-mentioned fixed frame 1 and the second mounting rail 1.2 bottom outside are respectively equipped with first prolongs limit 6 and second and prolongs limit 7, and this fixed frame 1 is prolonged limit 6 and second by first and prolonged limit 7 and be connected with the skeleton 8.1 of above-mentioned boot compartment 8; In addition, this first prolongs limit 6 and second and prolongs to be respectively equipped with on limit 7 and be provided with at least one the first brace rods 13 and at least one the second brace rods 14.
As shown in Figure 5, on above-mentioned the first mounting rail 1.1, be provided with successively from left to right the first erecting bed 1.11, the first groove 1.12, the second groove 1.13 and the second erecting bed 1.14, between this first groove 1.12 and the second groove 1.13, be provided with the 5th erecting bed 1.15; As shown in Figure 4 and Figure 5, on above-mentioned the second mounting rail 1.2, be provided with successively from left to right the 3rd erecting bed 1.21, the 3rd groove 1.22, the 4th groove 1.23 and the 4th erecting bed 1.24, and be provided with the 6th erecting bed 1.25 between the 3rd groove 1.22 and the 4th groove 1.23; In addition, this second erecting bed 1.14 and the 4th erecting bed 1.24 right sides are also respectively equipped with the 7th erecting bed 1.16 and the 8th erecting bed 1.26, between the first mounting rail 1.1 and the second mounting rail 1.2, be provided with the 3rd brace rod 15, the 4th brace rod 16 and the 5th brace rod 17, and the 3rd brace rod 15, the 4th brace rod 16 and the 5th brace rod 17 radially distribute.
As shown in Figure 6, above-mentioned the first central support 2 tops are provided with the first middle connected unit 2.1, the first upper groove 2.2 and the second upper groove 2.3 from left to right successively, connected unit 2.9 in the middle of being provided with the 7th between this first middle connected unit 2.1 and the first upper groove 2.2, and connected unit 2.10 in the middle of being provided with the 9th between the first upper groove 2.2 and the second upper groove 2.3; These the first central support 2 bottoms are provided with the first low groove 2.4, the second low groove 2.5 and the second middle connected unit 2.6 from left to right successively, this second middle connected unit 2.6 is positioned at the second upper groove 2.3 lower positions, and these the second middle connected unit 2.6 right sides are also provided with the 11 middle connected unit 2.7, and connected unit 2.8 in the middle of being provided with the 5th between this first low groove 2.4 and the second low groove 2.5.In addition, the first central support 2 is provided with at least one 6th brace rods 18.
As shown in Figure 7, above-mentioned the second central support 3 tops are provided with the 3rd middle connected unit 3.1, the 3rd upper groove 3.2 and the 4th upper groove 3.3 from left to right successively, connected unit 3.9 in the middle of being provided with the 8th between connected unit 3.1 and the 3rd upper groove 3.2 in the middle of the 3rd, and connected unit 3.10 in the middle of being provided with the tenth between the 3rd upper groove 3.2 and the 4th upper groove 3.3; These the second central support 3 bottoms are provided with the 3rd low groove 3.4, the 4th low groove 3.5 and the 4th middle connected unit 3.6 from left to right successively, connected unit 3.8 in the middle of being provided with the 6th between the 3rd low groove 3.4 and the 4th low groove 3.5, in the middle of the 4th, connected unit 3.6 is positioned at the 4th upper groove 3.3 lower positions, and in the middle of the 4th, connected unit 3.6 right sides are also provided with the 12 middle connected unit 3.7.In addition, the second central support 3 is provided with at least one 7th brace rods 19.
As shown in Figure 8, above-mentioned the first upper bracket 4 bottoms are provided with the first top groove 4.1 and the second top groove 4.2 from left to right successively, between this first top groove 4.1 and the second top groove 4.2, be provided with the 7th fixed way 4.6, and these groove 4.1 left sides, the first top and the second top groove 4.2 right sides are respectively equipped with the first fixed way 4.3 and the second fixed way 4.4, and between this first fixed way 4.3 and the first top groove 4.1, are provided with the 5th fixed way 4.5; In addition, this first upper bracket 4 is provided with at least one 8th brace rods 20.
As shown in Figure 9, above-mentioned the second upper bracket 5 bottoms are provided with the 3rd top groove 5.1 and the 4th top groove 5.2 from left to right successively, between the 3rd top groove 5.1 and the 4th top groove 5.2, be provided with the 8th fixed way 5.6, and the 3rd top groove 5.1 left sides and the 4th top groove 5.2 right sides are respectively equipped with the 3rd fixed way 5.3 and the 4th fixed way 5.4, and between the 3rd fixed way 5.3 and the 3rd top groove 5.1, are provided with the 6th fixed way 5.5; This second upper bracket 5 is provided with at least one 9th brace rods 21.
As shown in Figure 2, above-mentioned the first groove 1.12, the second groove 1.13, the 3rd groove 1.22, the 4th groove 1.23, the first upper groove 2.2, the second upper groove 2.3, the 3rd upper groove 3.2 and the 4th upper groove 3.3 are corresponding with the first low groove 2.4, the second low groove 2.5, the 3rd low groove 3.4, the 4th low groove 3.5, the first top groove 4.1, the second top groove 4.2, the 3rd top groove 5.1 and the 4th top groove 5.2 respectively.
Again as shown in Figure 2, above-mentioned the first erecting bed 1.11, the second erecting bed 1.14, the 3rd erecting bed 1.21 and the 4th erecting bed 1.24 tops are detachably connected with connected unit 3.6 bottoms in the middle of the 2.1, the second middle connected unit 2.6 of connected unit in the middle of first, the 3rd middle connected unit 3.1 and the 4th respectively, and in the middle of this first middle connected unit the 2.1, the 11, connected unit 2.7, the 3rd middle connected unit 3.1 and the 12 middle connected unit 3.7 tops removably connect with the first fixed way 4.3, the second fixed way 4.4, the 3rd fixed way 5.3 and the 4th fixed way 5.4 respectively, above-mentioned the 5th erecting bed 4.5 and the 6th erecting bed 5.5 removably connect with the 5th middle connected unit 2.8 and the 6th middle connected unit 3.8 respectively, in the middle of the above-mentioned the 7th, in the middle of connected unit 2.9 and the 8th, connected unit 3.9 removably connects with the 5th fixed way 4.5 and the 6th fixed way 5.5 respectively, in the middle of the above-mentioned the 9th, in the middle of connected unit 2.10 and the tenth, connected unit 3.10 removably connects with the 7th fixed way 4.6 and the 8th fixed way 5.6 respectively, and the 7th erecting bed 4.6 and the 8th erecting bed 5.6 removably connect with the 11 middle connected unit 2.7 bottoms and the 12 middle connected unit 3.7 bottoms respectively.
Above-mentioned steel cylinder mounting bracket comprises firm banking 9 and hoop bracket 10, as shown in figure 11, this firm banking 9 comprises adapter plate 9.1 and is located at the bracket 9.2 on these adapter plate 9.1 tops, and these bracket 9.2 top indents, and between the propons of this adapter plate 9.1 and touristy coach and boot compartment, skeleton 11 is connected.
As shown in figure 10, above-mentioned hoop bracket 10 comprises that cross section is the anchor ear body 10.1 of " U " shape, these anchor ear body 10.1 two ends, left and right are respectively equipped with left fabricated section 10.2 and right fabricated section 10.3, in addition, on this left fabricated section 10.2 and right fabricated section 10.3, are equipped with L shaped reinforced rib 12.
As shown in Figure 3, above-mentioned bracket 9.2 forms steel cylinder spatial accommodation between anchor ear body 10.1 inside bottom and the two, and above-mentioned left fabricated section 10.2 and right fabricated section 10.3 removably connect with adapter plate 9.1 two ends, left and right respectively.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.