CN102754986B - Draw bar box - Google Patents
Draw bar box Download PDFInfo
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- CN102754986B CN102754986B CN201210274037.4A CN201210274037A CN102754986B CN 102754986 B CN102754986 B CN 102754986B CN 201210274037 A CN201210274037 A CN 201210274037A CN 102754986 B CN102754986 B CN 102754986B
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- Prior art keywords
- chassis
- draw
- reinforcement
- waling
- rod assembly
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/02—Materials therefor
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/36—Reinforcements for edges, corners, or other parts
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/14—Rigid or semi-rigid luggage with built-in rolling means
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a draw bar box. The draw bar box is composed of a draw bar seat, a telescopic draw bar capable of extending into the draw bar seat, a chassis with a draw bar assembly positioning hole, wheels and a box body and is characterized in that the top end of the draw bar seat is connected with the bottom end of the telescopic draw bar, and the bottom end of the draw bar seat is fixed in the draw bar assembly positioning hole. The wheels are fixed under the chassis. At least one opening is arranged on the chassis. The inner surface of the chassis is provided with reinforcing ribs. The box body is arranged on the chassis and comprises a fixing frame for supporting a box body outline and a peripheral material surrounding the fixing frame, the peripheral material further wraps the draw bar seat, the telescopic draw bar and the chassis, and the fixing frame is sewn and fixed in the peripheral material.
Description
Technical field
The present invention relates to articles for daily use, particularly draw-bar box.
Background technology
Along with modern economy and commercial development, people can often travel to other places or go on business, and are travelling or also can carry more article while going on business.In order to the muscle power of saving during the journey in long distance, people generally can select trolley luggage to hold luggage and articles; Because not only there is larger volume to carry out placing articles in trolley luggage, and case tail band has wheel, case has pull bar with it, and user freely can tow casing by pull bar, not only easy to carry but also time saving and energy saving.The inner general steelframe that adopts of draw-bar box of prior art supports, and causes the overall weight of draw-bar box heavier, adds the overall weight of luggage; And in long distance during the journey, even if increase less weight also can expend the more muscle power of people; Meanwhile, when airplane, if the weight of luggage itself is close to the weight specifying to carry, then will be overweight after adding the weight of draw-bar box, cause a lot of troubles.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of draw-bar box, this draw-bar box when substantially not reducing bearing capacity, can alleviate own wt to greatest extent, thus more laborsaving convenient in use.
Based on above-mentioned purpose, draw-bar box provided by the invention, its substantially by draw-bar seat, can the telescopic lever of retraction draw-bar seat, chassis with rod assembly locating hole, wheel and casing form; The top of described draw-bar seat connects the bottom of described telescopic lever, and the bottom of described draw-bar seat is fixed in described rod assembly locating hole; Described wheel is fixed on below described chassis; Described chassis is provided with at least one opening; The inner surface on described chassis is provided with reinforcement; Described casing to be arranged on described chassis and to comprise the fixed mount of supporting box profile and surround the peripheral material of described fixed mount, described peripheral material also wraps up described draw-bar seat, described telescopic lever and described chassis, and described fixed mount is sewn and is fixed in described peripheral material.
Optionally, described reinforcement comprises at least one cross reinforcing, perpendicular at least one waling of described cross reinforcing be the oblique reinforcement of 15 ~ 75 ° of angles with described cross reinforcing or described waling, wherein said transverse direction refers to the left and right length direction on described chassis, and described longitudinal direction refers to the front and back width on described chassis.
Optionally, the both sides of each described pull bar locating hole on described chassis are respectively arranged with the waling connecting described pull bar locating hole; And/or be provided with at least one waling between two locating holes on described chassis; And/or be provided with at least one waling between transverse edge on described chassis and adjacent described rod assembly locating hole.
Optionally, between the transverse edge on described chassis and adjacent described pull bar locating hole, be provided with at least two walings, and be provided with oblique reinforcement between at least two walings described in adjacent; And/or oblique reinforcement is provided with between two walings connecting each described pull bar locating hole.
Optionally, between described rod assembly locating hole, be provided with 2-5 waling, these reinforcements can be uniformly distributed, also can uneven distribution; And/or 2-5 waling is provided with between the homonymy longitudinal edge edge of described wherein any one rod assembly locating hole to described base plate, these reinforcements can be uniformly distributed, also can uneven distribution.
Optionally, between described chassis front and rear side edge, be provided with 3-8 cross reinforcing, these cross reinforcings can be uniformly distributed, also can uneven distribution.
Optionally, at least one opening described is arranged in the rectangle or delta-shaped region that described waling, described cross reinforcing and described oblique reinforcement cross each other to form, any one in the shape selected from circles of described opening, ellipse, rectangle, rhombus, trapezoidal and star.
Optionally, described reinforcement height is 2-20mm.
Optionally, described reinforcement height is selected from any one in 2-4mm, 4-6mm, 6-8mm, 8-10mm, 10-12mm, 12-14mm, 14-16mm, 16-18mm, 18-20mm or its combination.
Optionally, the angle between described oblique reinforcement and described cross reinforcing or described waling is 40 °-50 °.
Optionally, comprise base plate on described chassis and the front side board that upwards extends in the front and back edge of described base plate and back side panel, the connecting portion of described front side board and described back side panel and described base plate is arc-shaped.
Optionally, there is at the left and right edges place of described base plate the left plate and right plate that extend vertically upward.
Optionally, described casing is fixed on described chassis in the mode sewed up or rivet.
Optionally, the described fixed mount be fixed in described peripheral material is round rectangle circle or fillet trapezoid circle.
Optionally, described fixed mount is formed by the wire coiling of diameter 1 ~ 3mm, and described wire is selected from steel wire and B alloy wire, and wherein said alloy is selected from any one in aluminium alloy, magnesium alloy, titanium alloy, tungsten alloy and zircaloy or its combination.
Optionally, described chassis and described reinforcement are made up of plastic material, fiber-reinforced composites or metal material, and wherein said plastic material is selected from polypropylene, acrylonitrile-butadiene-styrene copolymer, SAN, impact resistant polystyrene, Merlon, polyformaldehyde and polyphenylene oxide; Described fiber-reinforced composites is selected from carbon fibre reinforced composite and glass fibre reinforced composion; And described metal material is selected from aluminium alloy, magnesium alloy and titanium alloy, wherein said chassis and described reinforcement making by identical or different material.
Optionally, the peripheral material of described casing is made up of Oxford cloth.
Optionally, described base plate is corrugated plate, and/or described front side board, described back side panel, described left plate and/or right plate are corrugated plates.
Optionally, the area of described opening is the 10%-80% of the described chassis gross area.
Optionally, the area of described opening and the ratio of the described chassis gross area are 50%-80%.
As can be seen from above, draw-bar box provided by the invention, have employed the lightweight structure design alleviating construction weight, adopts the material of more lightweight simultaneously, the weight of draw-bar box is greatly alleviated, improves comfort level when people use and convenience.Meanwhile, draw-bar box provided by the invention, also can meet the requirement that people use in its intensity, durability and service life.
Accompanying drawing explanation
Fig. 1 is the draw-bar box frame assembly structural representation of prior art;
Fig. 2 is the draw-bar box frame assembly structural representation of one embodiment of the invention;
Fig. 3 is the A place enlarged diagram of Fig. 2;
Fig. 4 is the chassis enlarged drawing of Fig. 2;
Fig. 5 is draw-bar box reinforcement optional placement of the present invention scheme simplified schematic diagram
The B place enlarged drawing of Fig. 6 Fig. 2;
Fig. 7 is the overall schematic of the draw-bar box of one embodiment of the invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
Fig. 1 is the draw-bar box frame assembly structural representation of prior art.Comprise rod assembly 1, chassis 2, box frame 3, wheel 4.Wherein, rod assembly 1 is scalable; Chassis 2 is rectangular disk, and the inner surface on chassis 2 is provided with reinforcement; Box frame 3 is a rectangle frame, wide with chassis 2, and the lower end on two of box frame 3 long limits is fixed on chassis 2, and the rectangular surfaces of box frame 3 is parallel with rod assembly 1; Wheel 4 is provided with four, is universal wheel.Under assembled state, wheel 4 is positioned at the bottom on chassis 2, and casing to be enclosed in outside box frame 3 and to be fixed on rod assembly 1.When not needing to drag draw-bar box, the handle on rod assembly 1 top can be pressed, pull bar is retracted.The draw-bar box of large-size in prior art, generally heavy 2.5kg-3kg.
Fig. 2 is the draw-bar box frame assembly structural representation of one embodiment of the invention.Comprise rod assembly 21, chassis 22, wheel 23.Wherein, rod assembly 21 comprises draw-bar seat 211, telescopic lever 212, whippletree 213, handle 214.Wheel 23 comprises two front-wheels 231 and two trailing wheels 232.In order to weight reduction, in the draw-bar box of the present embodiment, do not comprise box frame.
Draw-bar seat 211 comprises two pipes be arranged in parallel, and its lower end is fixed in the rod assembly locating hole on chassis 22, and the top of draw-bar seat 211 is connected with the bottom of telescopic lever 212; The top of two pipes that draw-bar seat 211 is parallel is fixed with the two ends of whippletree 213 respectively.Telescopic lever 212 comprises first order telescoping tube 2121 and second level telescoping tube 2122, and first order telescoping tube 2121 is slightly coarser than second level telescoping tube 2122, and the bottom of described first order telescoping tube 2121 is connected with the top of draw-bar seat 211; The bottom of described second level telescoping tube 2122 is connected with the top of first order telescoping tube 2121 and also can locates on the top of first order telescoping tube 2121 and bottom end among retraction extra heavy pipe.Whole telescopic lever 212 can in retraction draw-bar seat 211 or in draw-bar seat 211 telescopic slide, and can in the location, position of draw-bar seat 211 top and bottom.Handle 214 is fixed on the top of telescopic lever 212, handle 214 is provided with spring button, during not according to this spring button, the locking position of telescopic lever 212 is in the top of draw-bar seat 211 or bottom, and the thin bar locking position of telescopic lever 212 is in the extra heavy pipe top of telescopic lever 212 or bottom; When pressing described spring button, the current fixed position of the thin bar of telescopic lever 212 and telescopic lever 212 unlocks, and user can promote handle and telescopic lever 212 shunk or makes in telescopic lever 212 retraction draw-bar seat 211.The shape of cross section of draw-bar seat 211, first order telescoping tube 2121, second level telescoping tube 2122 can be the same or different, and optional shape has rectangle, circle, ellipse, triangle etc.; In the present embodiment, the shape of cross section of draw-bar seat 211, first order telescoping tube 2121, second level telescoping tube 2122 is identical, is roughly oblate shape.Fig. 3 is the A place enlarged drawing of Fig. 2, reflects the shape of cross section of draw-bar seat 211, first order telescoping tube 2121, second level telescoping tube 2122.
Draw-bar seat 211 and telescopic lever 212 all can adopt stainless steel to make, and also can adopt other light-weight metal, as the making such as alloy or fiber-reinforced composites; Specifically, described alloy can be aluminium alloy, magnesium alloy, titanium alloy, tungsten alloy or zircaloy etc.; Described fiber-reinforced composites can be carbon fibre reinforced composite or glass fibre reinforced composion.In the present embodiment, draw-bar seat 211 and telescopic lever 212 adopt aluminium alloy to make and thickness is no more than 1mm, makes rod assembly 21 light weight, intensity good and easily carries out painting etc. surface treatment.Particularly, aluminium alloy can be alusil alloy, aluminium copper, almag, alumin(i)um zinc alloy or Al rare earth alloy etc.In addition, the thickness making the aluminium-alloy pipe of draw-bar seat 211 and telescopic lever 212 is about 0.5mm.
The material that whippletree 213 and handle 214 adopt light weight, intensity good makes, as plastics, resin or fiber-reinforced composites etc.; Described plastics can be PP(polypropylene), ABS(acrylonitrile-butadiene-styrene copolymer), AS(SAN) or HIPS(impact resistant polystyrene) etc.; Described fiber-reinforced composites can be carbon fibre reinforced composite or glass fibre reinforced composion.The material that whippletree 213 and handle 214 use can be the same or different.PP plastics are one of rigid plastics that quality is the lightest, and the density ratio ABS plastic of PP plastics, AS plastics, HIPS plastic are little, and have enough intensity, are preferred materials.Therefore, in the present embodiment, whippletree 213 adopts PP plastic production, and handle 214 also adopts PP plastic production.
Front-wheel 231 and trailing wheel 232 are universal wheel, and wheel 23 adopts securing member to be fixed on four angles on chassis 22 respectively, and front-wheel 231 is close to two angles of front side board 223 bottom, and trailing wheel 232 is close to two angles of back side panel 224 bottom.As an alternative, also can adopt and arrange at least two trailing wheels below chassis, this trailing wheel is universal wheel; Simultaneously below chassis, trailing wheel front arranges one or one group of feet.As other replacement scheme, also can adopt other wheel except universal wheel, the number of wheel can be determined according to design needs.
Fig. 3 is the A place partial enlarged drawing of Fig. 2, show the shape of cross section of first order telescoping tube 2121, in the present embodiment, the shape of cross section of draw-bar seat 211, first order telescoping tube 2121, second level telescoping tube 2122 is identical, by two identical circular arcs and and the tangent two sections of straight lines of circular arc form.The shape of cross section of corresponding rod assembly locating hole 221 is identical with the shape of cross section of draw-bar seat 211.Adopt the pull bar of this oblate shape, both can meet the requirement of strength of pull bar, the making material of pull bar can be reduced again, thus alleviate the weight of pull bar.
Fig. 4 is the chassis enlarged drawing of Fig. 2, shows the detailed construction on chassis.In the present embodiment, chassis 22 comprises two rod assembly locating holes 221, base plate 222, front side board 223, back side panel 224, multiple reinforcement 225 and opening 226.The inner surface on chassis 22 is provided with reinforcement 225, to increase the intensity on chassis 22.
Rod assembly locating hole 221 on chassis 22 is fixed on the inner side of back side panel 224.Front side board 223 can be designed to arcuate structure.In the present embodiment, base plate 222 can be designed to the plate with wave-like, while the intensity of increase chassis, can be reduced by the thickness on chassis 22 so as far as possible.As an alternative, base plate 222 also can be designed as flat board, to reduce the cost of Making mold.Base plate 222 is roughly rectangle, also can be designed as the combination of the rectangle of trapezoidal or multiple different size roughly, and/or edge can have circular shape.The length of front side board 223, back side panel 224 can equal with the length of base plate 222 also can be unequal.Chassis 22 can be used as an entirety during fabrication, single injection-molded.
In the bottom wedging rod assembly locating hole of draw-bar seat 211; Front side board 223, back side panel 224 are arc-shaped with the transition junction of base plate 222; The two ends, left and right of base plate 22 are with the edge 227 above turned over.
Reinforcement 225 is elongated muscle, and its cross section can be arbitrary shape, as rectangle, triangle, trapezoidal, circular, semicircle or I shape etc.; Reinforcement 225 can be horizontal, longitudinal and/or the oblique inner surface being fixed on chassis 22, to play the effect of reinforcement to chassis 22; The length of reinforcement 225 can be different.In addition, reinforcement 225 also can be parallel with chassis edge or angled.In the present embodiment, the cross section of reinforcement 225 is rectangle.
In an alternative embodiment, the length of front side board 223 is different from the length of base plate 222 and/or the length of back side panel 224 is different with the length of base plate 222.The wave-like on chassis 22 can be level and smooth wave or sawtooth wave, and the base plate 222 on chassis 22 and/or front side board 223 and/or back side panel 224 also can be arrange reeded plate etc.Chassis 22 also locally can adopt flat panel production, and as front side board be dull and stereotyped or back side panel is dull and stereotyped or base plate is dull and stereotyped or its combination.
In an alternative embodiment, front side board 223, back side panel 224 and reinforcement 225 can be partly or entirely not one-body molded with base plate 222.Such as, after base plate 222 injection mo(u)lding, front side board 223 and back side panel 224 can be fixed on the forward and backward edge of base plate 222 respectively by modes such as bonding, stitching or riveted joints; Rod assembly locating hole 221 is fixed on the inner side etc. of back side panel 224 in modes such as bonding, stitching or riveted joints.Reinforcement 225 can adopt the modes such as bonding, stitching or riveted joint to be fixed on the inner surface on chassis 22.
Locating hole 221, base plate 222, front side board 223, back side panel 224 and reinforcement 225 can adopt identical material manufacture, also can adopt different material manufactures.In an alternative embodiment, locating hole 221, base plate 222, front side board 223, back side panel 224 and reinforcement 225 all can adopt the manufacture of PP plastics.Opening 226 can be arranged at any vacant position on chassis 22 except reinforcement 225.Intensity on chassis 22 can under guaranteed prerequisite, and the shape of opening 226, size, position and number can be arranged arbitrarily, and in the present embodiment, opening 226 comprises circular open and elliptical openings.
Reinforcement can comprise cross reinforcing that the left and right length direction along chassis 22 extends, perpendicular to the waling extended along the front and back width on chassis 22 of described cross reinforcing and/or with described cross reinforcing or described waling in the oblique reinforcement setting angle angle.In the present embodiment, the both sides of each rod assembly locating hole 221 on chassis 22 are provided with the waling 227 of cylinder lever connecting rod assembly locating hole 221; At least one waling 227 is provided with between two rod assembly locating holes 221 on chassis 22; On the left of chassis 22 and between right edge edge and adjacent rod assembly locating hole 221, be respectively arranged with two walings 227, these two walings 227 can be arranged on chassis 22 apart from 3 ~ 10mm place, left and right sides edge.Oblique reinforcement 229 is provided with between near the waling of two on the left of chassis 22 227; Also oblique reinforcement 229 is provided with between near the waling of two on the right side of chassis 22 227; Also oblique reinforcement 229 is provided with between two walings 227 connecting each rod assembly locating hole 221.
Can at least one cross reinforcing 228 be set on chassis 22, such as can the midpoint on base plate 222 front and rear side edge arrange cross reinforcing 228 and/or base plate 22 front and rear side along between 1/4th and 3/4ths places cross reinforcing 228 is set respectively; Also cross reinforcing 228 can be set at base plate 22 and the intersection of front side board 223; At base plate 22 and the intersection of back side panel 224, cross reinforcing 228 is set.In an alternative embodiment, the set-up mode of above-mentioned cross reinforcing 228, waling 227, oblique reinforcement 229 can be combined; Set angle between oblique reinforcement 229 and cross reinforcing 228 or waling 227 can be arbitrarily angled between 15 ° ~ 75 °, particularly, this set angle can be 30 °-60 °, preferably, be set to 40 °-50 °, most preferably, this set angle is about 45 °, can play best booster action like this to the intensity of chassis structure.In addition, in other embodiments, waling can be set in the following manner: about 1/2nd places of rod assembly locating hole spacing are provided with waling; And/or to establish at about 1/3rd, 2/3rds places of rod assembly locating hole spacing and be equipped with waling respectively; And/or to establish at about 1/4th, 2/4ths, 3/4ths places of rod assembly locating hole spacing and be equipped with waling respectively; And/or any one rod assembly locating hole is respectively arranged with waling to about 1/3rd, 2/3rds places of the spacing at base plate homonymy edge wherein; And/or any one rod assembly locating hole is respectively arranged with waling to about 1/4th, 2/4ths, 3/4ths places of the spacing at base plate homonymy edge wherein; And/or wherein any one rod assembly locating hole to base plate homonymy edge spacing about 1/5th, 2/5ths, 3/5ths, five/be respectively arranged with waling everywhere.In other embodiments, can be provided with 2-5 waling between rod assembly locating hole, these reinforcements can be uniformly distributed, also can uneven distribution; Wherein any one rod assembly locating hole to described base plate homonymy longitudinal edge along between be provided with 2-5 waling, these reinforcements can be uniformly distributed, also can uneven distribution.In other embodiments, about 1/2nd places of the spacing on base plate front and rear side edge are provided with cross reinforcing; And/or about 1/3rd, 2/3rds places of spacing on base plate front and rear side edge are provided with cross reinforcing; And/or about 1/4th, 2/4ths, 3/4ths places of spacing on base plate front and rear side edge are provided with cross reinforcing; And/or spacing on base plate front and rear side edge is about 1/5th, 2/5ths, 3/5ths, five/be provided with cross reinforcing everywhere; And/or about 1/6th, 2/6ths, 3/6ths, 4/6ths, 5/6ths places of spacing on base plate front and rear side edge are provided with cross reinforcing; And/or about 1/7th, 2/7ths, 3/7ths, 4/7ths, 5/7ths, 6/7ths places of spacing on base plate front and rear side edge are provided with cross reinforcing.In other embodiments, can be provided with 3-8 cross reinforcing between chassis front and rear side edge, these cross reinforcings can be uniformly distributed, also can uneven distribution.
The layout of reinforcement, can also adopt multiple mode flexibly.Reinforcement optional placement scheme simplified schematic diagram such as shown in Fig. 5.Comprise rectangle frame reinforcement, these rectangle frame reinforcements can be similar rectangles, and centered by the mid point of chassis or base plate, by center, to edge, its length and width increases successively, on the basis of rectangle frame reinforcement, add and arrange oblique reinforcement.Oblique reinforcement can design between described each rectangle frame reinforcement, also can fix along the diagonal of chassis or base plate.Described rectangle frame reinforcement can arrange 2-6, can equidistantly distribute, also can unequal-interval distribution.
Described in the present embodiment, all reinforcement height are approximately 2-20mm.
In other embodiments, reinforcement height can be selected from any one in 2-4mm, 4-6mm, 6-8mm, 8-10mm, 10-12mm, 12-14mm, 14-16mm, 16-18mm, 18-20mm or its combination.
By reinforcing rib design transversely, longitudinal direction with become set angle to arrange oblique, ensure that chassis all has enough intensity in all directions.Each reinforcement interlaced arrangement, chassis 22 has marked off rectangle or leg-of-mutton region.In the present embodiment, in described rectangular area, offer opening 226.According to the length-width ratio of described rectangular area, can offer the opening of circle or ellipse in described rectangular area, described opening 226 is the through holes penetrating base plate 222.The edge of opening 226 can be 2mm ~ 2cm apart from the distance between its contiguous reinforcement 225.Such as, equal-sized elliptical openings can be offered in the rectangular area between two rod assembly locating holes 221; Be positioned on the left of rod assembly locating hole 221 and/or on the rectangular area on right side and can offering circular open; Aperture area near front and rear side edge, chassis 22 can be less than the aperture area near chassis 22 center line.While the chassis 22 simultaneously with reinforcement 225 and opening 226 can require at the load capacity meeting draw-bar box, alleviate the weight on chassis 22.
Described chassis and described reinforcement can be made up of plastic material, fiber-reinforced composites or metal material, and wherein said plastic material is optional from polypropylene, acrylonitrile-butadiene-styrene (ABS) (ABS) copolymer, SAN, impact resistant polystyrene, Merlon, polyformaldehyde and polyphenylene oxide; Described fiber-reinforced composites can be selected from carbon fibre reinforced composite and glass fibre reinforced composion; And described metal material can be selected from aluminium alloy, magnesium alloy and titanium alloy.
In an alternative embodiment, the length of front side board 223 or back side panel 224 can be different with the length of base plate 222, and such as, the length of front side board 223 is less than the length of base plate 222; Or the length of back side panel 224 is less than the length of base plate 222.
In an alternative embodiment, offer multiple opening 226 in the single rectangle that also can be formed at staggered reinforcement or delta-shaped region, and the spacing between the edge of each opening 226 can be not less than 2mm.
On base plate 222, appropriate position offers connecting hole, and clench nail or other securing member can be utilized to be fixed on chassis 22 by wheel 23 by described connecting hole, and the position that the position of described connecting hole and wheel are fixed matches.
After draw-bar box finished product is carried out, under suspension status, the intensity on chassis can be tested to the in-built loads of case.What the chassis 22 of the present embodiment can bear when being made into different sizes varies in weight.When the size on chassis 22 is about 45 × 25mm, its weight that can bear is about 35kg, and when loading the weight of 23kg during test in case, chassis does not occur sagging deflections substantially.
The ratio that the gross area of opening set by chassis accounts for the chassis gross area is about 10%-80%.The ratio that the gross area of preferred described opening accounts for the described chassis gross area is about 50%-80%.
In order to further weight reduction, under the prerequisite not affecting intensity, the hole of some can be set on draw-bar seat and pull bar.
Fig. 6 is the B place enlarged drawing of Fig. 2, and the shape and structure of the right edge of base plate 22 in the present embodiment along 230 is shown.In the present embodiment, base plate 222 is corrugated plate, and the left end edge of base plate 222 is identical with the shape at right-hand member edge.In other embodiments, left end edge and right-hand member edge also can be different.Right-hand member edge 230 shown in Fig. 5 comprises one section of isometric arc-shaped edges and one section of flat edge protruded, and described arc-shaped edges bends to the internal direction of base plate 222; Described flat edge is perpendicular to base plate 222.The borderline structure on this chassis can play the effect of braced chassis intensity.In other embodiments, edge 227 can comprise one section of arc surface to base plate 22 outer bend.
Fig. 7 is the draw-bar box overall schematic of the embodiment of the present invention, and the casing 41 illustrating in the present embodiment is arranged on the state after draw-bar box frame assembly.Compared with draw-bar box of the prior art, the present invention does not adopt the bracing frame around whole casing, but uses the fixed mount be fixed in the peripheral material of body side to carry out supporting box.In the present embodiment, described fixed mount is retainer plate 411.Casing 41 comprises two retainer plates 411, peripheral material 412 and slide fastener mouth 413.Described two retainer plates 411 lay respectively at the left and right sides of casing, and its shape is roughly fillet trapezoid.Retainer plate 411 is sewn in peripheral material, and its lower end width is substantially equal to the width on chassis 22, its height roughly equal with the height of draw-bar seat 211, the distance between two retainer plates 411 and the length on chassis roughly equal.In the assembled state, retainer plate 411 wrap up by peripheral material 412, therefore retainer plate 411 is adopted represented by dashed line in figure 6.
Chassis 22 is enclosed in bottom retainer plate 411 by peripheral material 412, and wheel 23 is fixed on the relevant position on chassis 22 through peripheral material 412 by clench nail or other securing member.On the edge, end face rear of casing 41, be provided with a slide fastener mouth 413; The position of slide fastener mouth 413 is corresponding with the position of draw-bar seat 211, and its width is greater than the width of draw-bar seat 211, and the telescopic lever 212 in Fig. 2 and handle 214 can be stretched out from this slide fastener mouth.After telescopic lever 212 retraction draw-bar seat 211, enclosing zipper mouth 413, makes handle 214 can be subject to certain protection.Meanwhile, arranging slide fastener mouth 413 can also prevent foreign matter from entering casing.The manufactured materials of retainer plate 411 and peripheral material 412 can be selected as required.Such as, retainer plate 411 can select light weight, on-deformable metal material or composite coiling to form, such as steel wire, B alloy wire or rigid composite material etc.; Peripheral material 412 can select cloth that is solid, wear-resisting, light weight.In the present embodiment, retainer plate 411 is the wire loop of diameter 1-3mm, and peripheral material 412 selects Oxford cloth.The underrun of casing 41 is sewed up or the mode of riveted joint is fixed on chassis 22.
In other embodiments, retainer plate can be designed to different shapes, as round rectangle etc.Also shaping rack, sizing net etc. can be adopted to replace retainer plate; Particularly, shaping rack can be made up of the steel wire cross weld that two length is identical, at the fillet of the two ends of described steel wire welding arc-shaped steel wire as casing; Sizing net can be fillet trapezoid net or the round rectangle net of the wire making of any appropriate.Casing can adopt the alternate manner except sewing up or riveting to be fixed.Retainer plate can be aluminium alloy circle, titanium alloy circle etc.The Oxford cloth that peripheral material adopts can be cover lattice oxford, entirely play oxford, carry lattice oxford, latitude bar oxford etc., and peripheral material also can adopt other material except oxford, as canvas, composite material fabric, cotton etc.
The size of draw-bar box finished product can design according to use needs, and the finished weight of different size also can be different.The draw-bar box that the structure and material provided according to the embodiment of the present invention makes, when it is of a size of 69 × 45.8 × 26.8cm, weight can be low to moderate about 1.4kg, still can meet the requirement of the aspects such as structural strength simultaneously.
As can be seen from above, draw-bar box provided by the present invention, improves cleverly from the aspect such as structure, material, alleviates the weight of draw-bar box significantly; Its pull bar, chassis can meet the intensity required for use and can bear the weight required for use.The casing of draw-bar box provided by the present invention have employed exquisiteness, material that is firm, light weight makes, and the design of slider fastener for trunk mouth can prevent foreign matter from entering casing can play certain protective effect to pull bar simultaneously.
Draw-bar box provided by the present invention, alleviates weight, and the journey for user decreases unnecessary burden, and meanwhile, draw-bar box provided by the present invention also has enough structural strengths, can meet the demand that user carries luggage on the road.
Those of ordinary skill in the field are to be understood that: the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a draw-bar box, its substantially by draw-bar seat, can the telescopic lever of retraction draw-bar seat, chassis with rod assembly locating hole, wheel and casing form; It is characterized in that,
The top of described draw-bar seat connects the bottom of described telescopic lever, and the bottom of described draw-bar seat is fixed in described rod assembly locating hole;
Described wheel is fixed on below described chassis;
Described chassis is provided with at least one opening; The ratio that the area of described opening accounts for the described chassis gross area is 50%-80%;
The inner surface on described chassis is provided with reinforcement; Described casing to be arranged on described chassis and to comprise the fixed mount of supporting box profile and surround the peripheral material of described fixed mount, described peripheral material also wraps up described draw-bar seat, described telescopic lever and described chassis, described fixed mount is formed by the wire coiling of diameter 1 ~ 3mm, and described wire is selected from steel wire and B alloy wire; Described fixed mount to be fixed in described peripheral material by the mode sewed up and to be positioned at the two sides place of described casing;
Described reinforcement comprises at least one cross reinforcing, perpendicular at least one waling of described cross reinforcing be the oblique reinforcement of 15 ~ 75 ° of angles with described cross reinforcing or described waling, wherein said transverse direction refers to the left and right directions on described chassis, also be its length direction, described longitudinal direction refers to the fore-and-aft direction on described chassis, is also its width;
In two rod assembly locating holes on described chassis, the both sides of each are respectively arranged with the waling be connected with described rod assembly locating hole bottom; At least one waling is provided with between described two locating holes on described chassis; At least one waling is provided with between longitudinal dual-side edge and contiguous described rod assembly locating hole on described chassis;
Between the both lateral sides edge and contiguous described rod assembly locating hole on described chassis, be provided with at least two walings, and be provided with oblique reinforcement between at least two walings described in adjacent; Oblique reinforcement is provided with between two walings connecting each described rod assembly locating hole bottom;
Wherein, between described two rod assembly locating holes, be provided with 2-5 waling, these reinforcements are for being uniformly distributed; Between the longitudinal edge edge of any one rod assembly locating hole to the vicinity of described base plate, be provided with 2-5 waling, these reinforcements are for being uniformly distributed;
Described chassis comprises base plate and the front side board that upwards extends in the edge, front and back of described base plate and back side panel, and the connecting portion of described front side board and described back side panel and described base plate is arc-shaped; There is at the left and right edges place of described base plate the left plate and right plate that extend vertically upward.
2. draw-bar box according to claim 1, is characterized in that, between described chassis front and rear side edge, be provided with 3-8 cross reinforcing, these cross reinforcings can be uniformly distributed, also can uneven distribution.
3. draw-bar box according to claim 1, it is characterized in that, at least one opening described is arranged in the rectangle or delta-shaped region that described waling, described cross reinforcing and described oblique reinforcement cross each other to form, any one in the shape selected from circles of described opening, ellipse, rectangle, rhombus, trapezoidal and star.
4. draw-bar box according to claim 1, is characterized in that, described casing is fixed on described chassis in the mode sewed up or rivet.
5. draw-bar box according to claim 1, is characterized in that, the described fixed mount be fixed in described peripheral material is round rectangle circle or fillet trapezoid circle.
6. draw-bar box according to claim 5, is characterized in that, the alloy of described B alloy wire is selected from any one in aluminium alloy, magnesium alloy, titanium alloy, tungsten alloy and zircaloy or its combination.
7. draw-bar box according to claim 1, it is characterized in that, described chassis and described reinforcement are made up of plastic material, fiber-reinforced composites or metal material, and wherein said plastic material is selected from polypropylene, acrylonitrile-butadiene-styrene copolymer, SAN, impact resistant polystyrene, Merlon, polyformaldehyde and polyphenylene oxide; Described fiber-reinforced composites is selected from carbon fibre reinforced composite and glass fibre reinforced composion; And described metal material is selected from aluminium alloy, magnesium alloy and titanium alloy, wherein said chassis and described reinforcement making by identical or different material.
8. draw-bar box according to claim 1, is characterized in that, the peripheral material of described casing is made up of Oxford cloth.
9. draw-bar box according to claim 1, is characterized in that, described base plate is corrugated plate, and/or described front side board, described back side panel, described left plate and/or right plate are corrugated plates.
10. draw-bar box according to claim 1, is characterized in that, the angle between described oblique reinforcement and described cross reinforcing or described waling is 40 ° ~ 50 °.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210274037.4A CN102754986B (en) | 2012-08-02 | 2012-08-02 | Draw bar box |
| PCT/CN2012/081535 WO2014019277A1 (en) | 2012-08-02 | 2012-09-18 | Draw bar box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210274037.4A CN102754986B (en) | 2012-08-02 | 2012-08-02 | Draw bar box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102754986A CN102754986A (en) | 2012-10-31 |
| CN102754986B true CN102754986B (en) | 2015-04-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210274037.4A Active CN102754986B (en) | 2012-08-02 | 2012-08-02 | Draw bar box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102754986B (en) |
| WO (1) | WO2014019277A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209939B (en) * | 2014-09-04 | 2016-07-13 | 宁波美琪工具有限公司 | A kind of tool case with drag bar |
| CN104738942A (en) * | 2015-03-31 | 2015-07-01 | 广州市沣嵊贸易有限公司 | Portable multi-functional draw-bar box |
| CN105455377A (en) * | 2015-12-06 | 2016-04-06 | 嘉兴兴发箱包有限公司 | Suitcase bottom plate |
| CN111043157B (en) * | 2019-12-30 | 2022-10-11 | 浙江吉利控股集团有限公司 | Bearing, preceding traveller assembly and car |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1031878A (en) * | 1963-12-30 | 1966-06-02 | Naruke Sangyo Co Ltd | Improvements in and relating to frames for fabric material handbags |
| CN2631291Y (en) * | 2003-07-02 | 2004-08-11 | 九峻企业有限公司 | Suitcase frame of combing positioning structure improvement |
| GB2453787B (en) * | 2007-10-19 | 2012-09-05 | Antler Ltd | Luggage case |
| FR2944679B1 (en) * | 2009-04-24 | 2011-07-22 | Delsey Soc | METHOD FOR MANUFACTURING SOFT BAGGAGE AND CORRESPONDING FLEXIBLE BAGGAGE. |
| CN101999789A (en) * | 2009-09-01 | 2011-04-06 | 上海申太塑胶有限公司 | Skeletal structures on two sides of suitcase |
| CN201585545U (en) * | 2009-10-20 | 2010-09-22 | 上海顶新箱包有限公司 | Light draw-bar box |
| CN201798187U (en) * | 2010-07-27 | 2011-04-20 | 东莞贺捷塑胶有限公司 | Glass fiber frame |
| CN202077749U (en) * | 2011-04-29 | 2011-12-21 | 上海顶新箱包有限公司 | Light draw-bar box |
| CN202160848U (en) * | 2011-06-21 | 2012-03-14 | 上海顶新箱包有限公司 | Light draw-bar box |
-
2012
- 2012-08-02 CN CN201210274037.4A patent/CN102754986B/en active Active
- 2012-09-18 WO PCT/CN2012/081535 patent/WO2014019277A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN102754986A (en) | 2012-10-31 |
| WO2014019277A1 (en) | 2014-02-06 |
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