CN103932469B - Draw-bar box - Google Patents
Draw-bar box Download PDFInfo
- Publication number
- CN103932469B CN103932469B CN201410169407.7A CN201410169407A CN103932469B CN 103932469 B CN103932469 B CN 103932469B CN 201410169407 A CN201410169407 A CN 201410169407A CN 103932469 B CN103932469 B CN 103932469B
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- Prior art keywords
- chassis
- casing
- draw
- bar
- bar box
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- 239000011159 matrix material Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 230000009975 flexible effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000916 dilatatory effect Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/04—Trunks; Travelling baskets
-
- 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
- A45C5/146—Rigid or semi-rigid luggage with built-in rolling means retractable
Landscapes
- Handcart (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The invention discloses a draw-bar box which comprises a box body, a pivot, a chassis, rollers, a support frame and a sliding groove. The box body is characterized in that the chassis is organically combined with the support frame through a pivot shaft arranged on the bottom of the box body and protruding outwards, and the pivot shaft can slide along a guide groove arranged on the chassis to drive the box body to move, so that the chassis and the box body can be opened and closed. When the pivot slides to the front end of the chassis through the guide groove arranged on the inner side of the chassis, the chassis is folded and leans against the box body; when the pivot slides to the middle end of the chassis, the chassis is opened to be far away from the box body, and the draw-bar box is in a working state. The chassis can also remove the front remaining part (in the opening state) and is contracted into a U-shaped structure, at the moment, the sliding groove is moved on the back of the box body, one end of the supporting frame is rotatably connected to the connecting piece, and the other end of the supporting frame is convexly connected to the sliding groove. When the convex end of the support frame slides to the upper end of the box body along the slide way, the connecting piece is folded and leans against the box body; when the outer convex end of the supporting frame slides to the middle position of the box body along the slide way, the draw-bar box is opened and is in a working state.
Description
Technical field
The present invention relates to luggage case, particularly relate to a kind of draw-bar box.
Background technology
Suitcase is a kind of instrument the most universal in the world.Current suitcase, because there being its defect, many people carry out transformation to it and are inevitable.But, also there is no a kind of trip case at present, when the whole box weight of four-wheel (or three-wheel) support, can freely can use handrail to push away, draw suitcase.Initial conception of the present invention is for source with " random hand buggy ", that is: hand buggy (casing) and handcart (chassis) are by the combination of pivot and bracing frame, when the whole box weight of four-wheel (or three-wheel) support, can with drawing, with the technology pushed away.The difference of the present invention and prior art, just bracing frame is turned form with axle fixes position, and chute is set up on chassis, and the pivot of casing V-arrangement wedge angle position is just put in chute.Meanwhile, chassis can be removed (during unlatching) afterwards remaining part divide, shorten into as U-shaped connector, draw-bar box become more succinctly, more light.Chute brings up to the inner side of box handrail by chassis, through being located on chute several to matrix stopper slot regulate height.This draw-bar box in working order under, not phase so state of supporting of triangularity the same as CN2933105Y, but also certain, triangular support be very general, be a kind of technology that people the most often use, since it is so, " triangular support " will become technology restriction is infeasible.Resemble the present invention and CN2933105Y, be both application triangular support, but structure is different, technology model is raised also different: the present invention with " random car " for source, laborsaving for basic point with the light of hand buggy and handcart, the advantage integrating hand buggy and handcart is original idea.But CN2933105Y just cannot find out can be all same for this thinking with the present invention; Structurally, the most obvious technical characteristic of the present invention is chassis structure, is equipped with the organic assembling of bracing frame and pivot, particularly chassis is shortened into as after U-shaped connector, constitutes succinct, light, firm duty, technological layer obtains distillation.And CN2933105Y is the form with column, by the upper end of casing straight and under, be equipped with the form of sliding sleeve, both is the same with arch form bridge as cable-stayed bridge respectively.The value of inspection invention is practicality, and practicality can only with can popularization weigh.Single aspect from technology, CN2933105Y's is technical very high, and unfortunate structure affecting it can popularization.At present, suitcase is many has used four universal wheels, both just like this, people still like using with dilatory form, because travelling requires that flat road surface, a road is extremely unpractical in way, people like with stable handrail to control casing, wish again leisurely and carefree, a comfortable journey, the present invention is as target, and a few Nian Houyi meets this demand of people surely.Because one is succinct, light, both can freely, stable, optionally use handrail, and user is about to by universal use without the need to the Suitcase of support box weight.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of draw-bar box, when user is without the need to bearing box weight, can freely use handrail to carry out dilatory suitcase.
In order to solve the problems of the technologies described above, The embodiment provides a kind of draw-bar box, comprise casing, pivot, chassis, roller, bracing frame and chute.It is characterized in that, described draw-bar box is the combination of hand buggy and handcart, the hand buggy (casing) of the first half and the handcart (chassis) of the latter half are by being located at the organic assembling in axle center at the bottom of case and bracing frame, pivot can slide along the gathering sill being located at chassis, drive casing moves, and can open and fold between making at the bottom of chassis and case.When pivot slides to chassis front end by the gathering sill be located at inside chassis, chassis folds and is close to casing; When pivot slides to the middle-end on chassis, chassis is opened away from casing, and at this moment draw-bar box is in running order.
In draw-bar box of the present invention, described chassis is a rectangle structure; Described chassis is at least provided with three rollers.
In draw-bar box of the present invention, the inner side on described both sides, chassis is provided with a pair gathering sill, and the pivot of both sides, casing lower end evagination, is connected on described gathering sill.
In draw-bar box of the present invention, the form that the two ends of described bracing frame turn with axle, the position of one end connect box pull bar middle-end; The other end is connected to the rear end on described chassis.
In draw-bar box of the present invention, be provided with several to the stopper slot in matrix in described chute, for the angle of adjusting yoke.
In draw-bar box of the present invention, described chassis also can remove when shape (open) afterwards remaining part divide, shorten the connector into U-shaped structure into.
In draw-bar box of the present invention, the top of described U-shaped structural chassis is rotationally connected with a part for described casing, described draw-bar box also comprises the first roller and the second roller, described first roller is located at the Part II of described U-shaped connector, and described second roller is located at the Part I of described U-shaped connector.
In draw-bar box of the present invention, described draw-bar box also comprises carriage, and described carriage comprises slideway, and described installation of slide track is arranged in the back side of described casing, described slideway has a chute, and described carriage is in order to move described casing by primary importance to the second place.
In draw-bar box of the present invention, one end of support frame as described above is rotationally connected with bottom first bar on U-shaped chassis or the position of the second bar; The other end is rotationally connected with on described chute.In draw-bar box of the present invention, the inner side of casing pull bar is located at by described chute, is provided with several to the stopper slot in matrix, for the angle of adjusting yoke in chute.
In draw-bar box of the present invention, described bracing frame is shape with wide top and narrow bottom, and the width of upper part is greater than the spacing of two chutes, and when folding rack is packed up, the top of bracing frame is absorbed in chute and has locking effect under flexible effect.
In draw-bar box of the present invention, between casing and chassis or chassis, be provided with latch hook device.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the draw-bar box that first embodiment of the invention provides;
Fig. 2 is the structural representation of the first roller of draw-bar box in Fig. 1 when falling;
Fig. 3 is the structural representation of the first roller of draw-bar box in Fig. 1 when packing up;
Fig. 4 is the recessed portion of chute of the present invention;
Fig. 5 is the schematic diagram of the draw-bar box that second embodiment of the invention provides;
Fig. 6 be in the draw-bar box that provides of third embodiment of the invention pull bar and bracing frame coordinate schematic diagram;
Fig. 7 to Fig. 9 is the structural representation of the draw-bar box that four embodiment of the invention provides;
Figure 10 is the first installation site of positive stop lug boss of the present invention;
Figure 11 is the second installation site of positive stop lug boss of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
See Fig. 1, being a kind of draw-bar box that the first embodiment in the present invention provides, comprising casing 1, pull bar 2, first roller 4, second roller 3 and the folding rack 5 for making the first roller 4 rise and fall.
Pull bar 2 slides and is arranged at the back side of casing 1.In the present embodiment, pull bar 2 comprises handle 21 and two expansion links 22 arranged in parallel, and expansion link 22 has relative first end and the second end, and handle 21 is fixed between two expansion link 22 first ends.The second end that the back side of casing 1 is installed with two guide pipes, 11, two expansion links 22 is slidably located in two guide pipes 11 respectively, pull bar 2 is slided and is arranged at casing 1, is convenient to the length adjusting pull bar 2, easy to use.
Folding rack 5 comprises the bracing frame 51 and chassis 52 that are hinged.In the present embodiment, bracing frame 51 comprises two support bars be oppositely arranged 511 and a back shaft 512.Support bar 511 has relative first end and the second end, and the first end of two support bars 511 is fixed to the two ends of back shaft 512 respectively.Second end of two support bars 511 is slidably connected to the back side of casing 1 respectively.Back shaft 512 is connected to chassis 52 around self axial rotation, thus makes the relative first end of the second end of support bar 511 away from chassis 52.In the present embodiment, bracing frame 51 is the U-shaped be bent to form by a metallic rod, so that processing preparation, can ensure the structural strength of support bar 511 simultaneously.
In order to ensure the stability that support bar 511 second end slides, the back side of casing 1 is provided with carriage and comprises slideway 12, and slideway 12 has a chute 121, and the second end of support bar 511 slides and is arranged in chute 121.Slideway 12 is two of being parallel to each other, respectively with two support bar 511 corresponding matching.In the present embodiment, two slideways 12 are fixed between two guide pipes 11, so that produce assembling.In order to be convenient to coordinating of support bar 511 and slideway 12 further, second end of support bar 511 or slip fixture form a kink 511a or slip fixture to chute 121 inner bending, kink 511a or slip fixture are slidably arranged in chute 121, and kink 511a or slip fixture form the rotating shaft of support bar 511 simultaneously.Preferably, see Fig. 4, chute is provided with recessed portion to hold described slip fixture, and the angle that the inner surface 63 of recessed portion 61 is formed relative to the outer surface 62 of slideway is less than 90 degree.
Can ensure the stability that bracing frame 51 pairs of casings 1 support to prevent it from toppling in pulling by two support bars 511.Herein, as other embodiment, bracing frame 51 also only can comprise a support bar 511, and its one end is articulated with chassis 52, and the other end is slidably connected to casing 1.Or bracing frame 51 is tabular or other version of bar shaped.
Chassis 52 comprises two connecting rods 521 and a fixed bar 522.Two connecting rods 521 are arranged along length direction (i.e. the width of the pull bar 2) arrangement on the base, the back side of casing 1.The first end that connecting rod 521 is relative and the second end, the first end of connecting rod 521 and the base, the back side of casing 1 hinged, the relative first end of its second end is away from casing 1.As preferably, two connecting rods 521 are arranged in parallel, so that processing preparation.Described fixed bar 522 is fixed between two connecting rods 521.The two ends of fixed bar 522 are individually fixed in the second end of two connecting rods 521.The base, the back side of two connecting rods 521, fixed bar 522 and casings 1 is formed one square.Back shaft 512 is connected to described fixed bar 522 around self axial rotation, fixed bar 522 and back shaft 512 are parallel to each other, to ensure the stability that back shaft 512 rotates, certainly, in other implementations, fixed bar 522 also can be fixedly attached to other positions of connecting rod 521; The base, the back side of two connecting rods 521, fixed bar 522 and casings 1 also can form trapezoidal or other quadrangles; The structure on chassis 52 is also not limited to above-mentioned embodiment, also can be square or triangle or other shapes tabular.
Can ensure that two connecting rods 521 rotate simultaneously by fixed bar 522, in other implementations, chassis 52 only can comprise two connecting rods, 521, two connecting rods 521 and all be rotationally connected with bracing frame 51, and the end of two connecting rods 521 is all hinged with the base, the back side of casing 1 simultaneously.
First roller 4 is installed on folding rack 5.In the present embodiment, described first roller 4 is installed on chassis 52.Further, the first roller 4 is two, is installed on two connecting rods 521 respectively, and two the first rollers 4 are also arranged along the length direction on base.
Second roller 3 is two, and the width along base, the back side is arranged., it should be noted that, the number of the second roller 3 is not limited to the present embodiment herein, and in other embodiment, the second roller 3 also can be four, is arranged at chassis between two, or the second roller 3 is other numbers; As preferably, the second roller 3 is universal wheel, to convert the moving direction of pull bar 2 casees.The bottom of casing 1 is also provided with leg 13, and when not needing to pull draw-bar box, leg 13 can be used for supporting box 1, and the frictional force simultaneously between leg 13 and ground can make draw-bar box to move, and is convenient to parked.
Two the first rollers 4 and two the second rollers 3 are arranged into plane quadrilateral, form four wheel mechanism, can ensure the stability of pull bar 2 casees in drawing process.Certainly, in other implementations, the first roller 4 also can be only one, is arranged between two connecting rods 521, as being installed on the centre position of fixed bar 522, can be arranged into triangle with two the second rollers 3; First roller 4 also can adopt universal wheel.
In present embodiment, two the second rollers 3 are installed on the first end of two connecting rods 521 respectively, the second roller 3 is made all to be positioned at base, the back side place of casing 1 in folding and collapsed state, when the first roller 4 is packed up, also the normal use of the second roller 3 can not be affected, pull pull bar 2, can only utilize the second roller 3 to realize the movement of pull bar 2 casees.Certainly, in other implementations, two the second rollers 3 can also be directly installed on the base, the back side of casing 1, now, chassis 52 can also entirety be shaft-like, and its one end is rotationally connected the centre position to base, casing 1 back side, and the other end is rotationally connected to bracing frame 51.
Rotating shaft between the connecting rod 521 on chassis 52 and casing 1, rotating shaft between the back shaft 512 of bracing frame 51 and the fixed bar 522 on chassis 52 are all parallel to base, the described back side, and there is spacing between two rotating shafts, in present embodiment, described spacing is the length of connecting rod 521.Chassis 52 and bracing frame 51 are connected to form the mechanism of a similar crank block, and the slip of bracing frame 51 opposite case 1 can realize rising and falling of the first roller 4.When second end of support bar 511 slides into the primary importance relatively away from the second roller 3, between bracing frame 51 and chassis 52, formed angle is maximum, and the first roller 4 is packed up and is positioned at relatively near the position of casing 1.Second end of support bar 511 slides into relatively when the second place of the second roller 3, bracing frame 51 and chassis 52 are rotated, the first end of support bar 511, the second end of connecting rod 521 move to the direction away from casing 1 back side, angle between chassis 52 and bracing frame 51 diminishes, first roller 4 is moved to the position away from casing 1, and bracing frame 51, chassis 52 and casing 1 three form firm triangle simultaneously.First roller 4 is resisted against ground, and forms four wheel mechanism with the second roller 3; Bracing frame 51 is supported in the back side of casing 1, and the back side and ground are acutangulated, and namely makes casing 1 tilt in direction earthward, be convenient to user and pull pull bar 2 case rows to walk, and casing 1 is not easily toppled over; During without the need to pulling walking, vertically being arranged by casing 1 can be parked at any time, easy to use.
Further, in chute 121, be provided with the positive stop lug boss 122 kink 511a of bracing frame 51 being locked in folding rack folded state, be convenient to position after bracing frame 51 slides, thus the first roller 4 is locked in collapsed state; The end face of positive stop lug boss 122 is arc surface, so that the second end of support bar 511 is under external force by positive stop lug boss 122.Herein, namely positive stop lug boss 122 forms foldable locking structure folding rack 5 being locked in folded state, and as other embodiment, foldable locking structure also can be the snap fit, the elastic buckles that match with kink 511a, or other structures; Or foldable locking structure matches with other positions of bracing frame 51 thus by the locking position of bracing frame 51, and then folding rack 5 is locked in folded state.With reference to Figure 10, positive stop lug boss 122 can be installed on the outside of expansion link 22.With reference to Figure 11, positive stop lug boss 122 can be installed on the inner side of expansion link 22.
The stopper slot 123 kink 511a of bracing frame 51 being locked in folding rack open mode is also provided with in chute 121, when kink 511a slide into folding rack open time, kink 511a is arranged in stopper slot 123, thus is located by support bar 511, and the first roller 4 is locked in full state.Second end of support bar 511 is deviate from from stopper slot 123, can sliding supporting bar 511.As preferably, stopper slot 123 is multiple, and the length direction arrangement along chute 121 is arranged.Utilize multiple stopper slot 123 support bar 511 can be positioned at diverse location, thus casing 1 can be positioned at differing tilt angles, to pull.Herein, stopper slot 123 namely formed folding rack 5 is locked in open mode open latch-up structure, as other embodiment, open latch-up structure and also can be and lock-screw, or other structures; Or open latch-up structure to match with other positions of bracing frame 51 thus by the locking position of bracing frame 51, and then folding rack 5 is locked in open mode.
In the above-described embodiment, bracing frame 51 realizes sliding with coordinating of chute 121 by support bar 511, when needs bracing frame 51 slides, needs user to bracing frame 51 or chassis 52 force, bracing frame 51 to be slided.
In the above-described embodiment, bracing frame 51 and both chassis 52 are away from being hinged of end of casing 1, and as the second embodiment provided by the invention, as shown in Figure 5, the end of bracing frame 51 also can be articulated with the middle part on chassis 52, or other positions, chassis 52; As the 3rd embodiment provided by the invention, end, chassis 52 also can be articulated with other positions of bracing frame 51, and as shown in Figure 6, the first roller 4 is installed on the end of bracing frame 51 away from casing 1; In a word, bracing frame 51 opposite case 1 slides, and can make to form triangle between bracing frame 51, chassis 52 and casing 1.
As shown in Figure 7 to 9, in a kind of draw-bar box that the 4th embodiment provided by the invention provides, comprise casing 1, pull bar 2, first roller 4, second roller 3 and the folding rack 5 for making the first roller 4 rise and fall.Pull bar 2 is identical with the first embodiment with the fit system of casing 1, is not repeating at this.
Folding rack 5 comprises the bracing frame 51 and chassis 52 that are hinged; The two ends of bracing frame 51 are rotationally connected the back side to casing 1 and chassis 52 respectively.The planform of bracing frame 51 is identical with the first embodiment, also two support bars be oppositely arranged 511 and a back shaft 512 is comprised, second end of support bar 511 is also bent to form a bending part 511, casing 1 is provided with axis hole 150, bending part 511 rotates and is arranged in axis hole 150, forms the rotating shaft between bracing frame 51 and casing 1.
Carriage comprises chassis 52 and rotates and the base, the back side being slidably connected to casing 1, and bracing frame 51, chassis 52 and casing 1 rotating shaft between any two are all parallel to base, the back side, and there is spacing between each rotating shaft, to ensure that three can form triangle.
Further, carriage comprises two connecting rods 521 and two fixed bars 522.Carriage comprises two connecting rods 521 and two fixed bars 522 connect into rectangle, to ensure the structural strength on whole chassis 52.Two connecting rods 521 are arranged along length direction (i.e. the width of the pull bar 2) arrangement on the base, the back side of casing 1.First roller 4 and the second roller 3 are two, are separately positioned on four angles of chassis 52 rectangle.Utilize two fixed bars 522 that carriage is comprised between two connecting rods 521 to be fixedly connected with, two connecting rods 521 are made to slide simultaneously and to rotate, certainly in other embodiments, fixed bar 522 can not be set, two connecting rods 521 are parallel to each other, and arrange along the length direction arrangement on the base, the back side of casing 1.Two connecting rods 521 all slide and are rotationally connected with the base, the back side of casing 1, and are articulated with bracing frame 51.
The two ends on the base, the back side of casing 1 are respectively equipped with slip fixture or two slide bars 19, connecting rod 521 is provided with the gathering sill 521a matched with slide fixture or slide bar 19, gathering sill 521a is strip, length direction along connecting rod 521 or slideway is arranged, by coordinating of slip fixture or slide bar 19 and gathering sill 521a, can the base, the back side of opposite case 1 be slided in chassis 52, slide bar 19 can form the rotating shaft between chassis and casing 1 simultaneously.The locating slot 521b or recessed portion 61 that folding rack 5 are locked in open mode is provided with in gathering sill 521a, when slip fixture or slide bar 19 move a certain distance along gathering sill 521a, bracing frame 51 and chassis 52 can enter locating slot 521b or recessed portion 61 after rotating and folding rack 5 being opened, thus slip fixture or slide bar 19 are located, folding rack 5 is locked in open mode, opens locking mechanism described in namely locating slot 521b is formed.First roller 4 moves to the position away from casing 1 simultaneously, and bracing frame 51, chassis 52 and casing 1 three form triangle.Locating slot 521b or recessed portion 61 are multiple, and the length direction arrangement along gathering sill 521a is arranged, and slip fixture or slide bar 19 can be positioned at diverse location, thus can control the angle of inclination that folding rack 5 opens rear box 1.Preferably, see Fig. 4, gathering sill 521a is provided with recessed portion or locating slot 521b to hold slip fixture or slide bar 19, and the angle that the inner surface 63 of recessed portion 61 or locating slot 521b is formed relative to the outer surface 62 of slideway or gathering sill 521a is less than 90 degree.
When folding rack 5 is in folded state, the first roller 4 is packed up and is moved to the position near casing 1; Second roller 3 is positioned at base, back side place, and the end that simultaneously chassis 52 is provided with the second roller 3 is also positioned at base, the back side place of casing 1, deposits so that draw-bar box is packed up.Now, the second roller 3 is only utilized also can to realize pulling casing to move.Herein, at gathering sill 521a, the structure such as hook, spacing preiection that locked by slide bar 19 can be set near the end of the second roller 3 as folding locking structure, the location when folding rack 5 folded state.
In present embodiment, axis hole 150 can be multiple, length direction arrangement along pull bar is arranged, utilize the deformation of two of bracing frame 51 support bars that two kinks can be made close to each other, kink is made to deviate to move in another axis hole 150 from current axis hole 150, to change the relative position between kink and casing, thus change the angle of inclination of casing when folding rack is opened.Herein, as other embodiment, the annexation between kink and casing also can adopt the connected mode described in the first embodiment, makes bracing frame also be slidably connected to casing.Latch hook device is provided with between casing and chassis or chassis.
Above-described embodiment, does not form the restriction to this technical scheme protection domain.The amendment done within any spirit at above-mentioned embodiment and principle, equivalently to replace and improvement etc., within the protection domain that all should be included in this technical scheme.
Claims (11)
1. a draw-bar box, comprise casing, pivot, chassis, roller, bracing frame and chute, described chassis is by the combination of the pivot and bracing frame of being located at evagination at the bottom of case, and pivot can slide along the gathering sill being located at chassis, drive casing moves, and makes casing and chassis can open and fold; When pivot slides to chassis front end by the gathering sill be located at inside chassis, chassis just folds and is close to casing; When pivot slides to the middle-end on chassis, chassis is opened; Described chassis is when opening, and shorten into as U-shaped structure, chute is placed in the back side of casing, and bracing frame one end is rotationally connected with on chassis, and other end evagination is connected on chute; When bracing frame evagination one end slides to casing upper end along slideway, chassis folds and is close to casing; When bracing frame evagination one end slides to casing centre position along slideway, draw-bar box is opened in running order.
2. draw-bar box according to claim 1, is characterized in that, described chassis is a rectangle structure; Described chassis is at least provided with three rollers.
3. draw-bar box according to claim 1 and 2, is characterized in that, the inner side on described both sides, chassis is provided with a pair gathering sill, and the pivot of both sides, casing lower end evagination, is connected on described gathering sill.
4. draw-bar box according to claim 1, is characterized in that, is provided with several to the stopper slot in matrix, for the angle of adjusting yoke in chute.
5. draw-bar box according to claim 1, is characterized in that, after described chassis shortens U-shaped structure into, U-shaped bottom is quadrilateral structure.
6. draw-bar box according to claim 1 or 5, it is characterized in that, the top of described U-shaped structural chassis is rotationally connected with a part for described casing, described draw-bar box also comprises the first roller and the second roller, described first roller is located at the Part II on described U-shaped chassis, and described second roller is located at the Part I on described U-shaped chassis.
7. draw-bar box according to claim 1 or 5, it is characterized in that, described draw-bar box also comprises carriage, described carriage comprises slideway, described installation of slide track is in the back side of described casing, described slideway has a chute, and described carriage is in order to move described casing by primary importance to the second place.
8. draw-bar box according to claim 1 or 5, it is characterized in that, one end of support frame as described above is rotationally connected with bottom first bar on U-shaped chassis or the position of the second bar; The other end is rotationally connected with on described chute.
9. draw-bar box according to claim 1 or 5, it is characterized in that, chute is located at inner side or the outside of casing pull bar, is provided with several to the stopper slot in matrix, for the angle of adjusting yoke in chute.
10. draw-bar box according to claim 1, it is characterized in that, bracing frame is shape with wide top and narrow bottom, the width of upper part is greater than the spacing of two chutes, folding rack comprises the bracing frame and chassis that are hinged, when folding rack is packed up, the top of bracing frame embeds in chute and has locking effect under flexible effect.
11. draw-bar boxes according to claim 1, are provided with latch hook device between casing and chassis or chassis.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HK13110493 | 2013-09-11 | ||
| HK13110493.6 | 2013-09-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103932469A CN103932469A (en) | 2014-07-23 |
| CN103932469B true CN103932469B (en) | 2016-04-13 |
Family
ID=51180554
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410169407.7A Expired - Fee Related CN103932469B (en) | 2013-09-11 | 2014-04-24 | Draw-bar box |
| CN201420205230.7U Withdrawn - After Issue CN203943206U (en) | 2013-09-11 | 2014-04-24 | Draw-bar box |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420205230.7U Withdrawn - After Issue CN203943206U (en) | 2013-09-11 | 2014-04-24 | Draw-bar box |
Country Status (3)
| Country | Link |
|---|---|
| CN (2) | CN103932469B (en) |
| HK (1) | HK1193307A2 (en) |
| WO (1) | WO2015036883A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103932469B (en) * | 2013-09-11 | 2016-04-13 | 廖志强 | Draw-bar box |
| JP2016173459A (en) * | 2015-03-17 | 2016-09-29 | ヤマハ株式会社 | Stand structure for article |
| CN105919251B (en) * | 2016-05-31 | 2017-08-25 | 姜今善 | It is a kind of can stair activity ladder type draw-bar box |
| CN106820514A (en) * | 2017-03-10 | 2017-06-13 | 刘海波 | A kind of draw-bar box |
| CN109316246A (en) * | 2018-11-21 | 2019-02-12 | 佛山科学技术学院 | Portable medical instrument case |
| WO2021054843A1 (en) * | 2019-09-18 | 2021-03-25 | Phil And Teds Design Limited | Multi-mode luggage apparatus and method |
| CN114131228A (en) * | 2021-11-19 | 2022-03-04 | 海波重型工程科技股份有限公司 | Internal welding equipment |
| CN114132643B (en) * | 2021-11-30 | 2023-04-07 | 贵州电网有限责任公司 | Energy storage container shell manufactured by adopting 3D printing technology |
| CN114601245B (en) * | 2022-03-09 | 2023-05-19 | 宁波大学科学技术学院 | Suitcase pull rod handle splicing equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203943206U (en) * | 2013-09-11 | 2014-11-19 | 廖志强 | Draw-bar box |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6802409B1 (en) * | 1998-03-04 | 2004-10-12 | 500 Group, Inc. | Wheeled luggage and associated devices |
| CN2627885Y (en) * | 2003-03-17 | 2004-07-28 | 孙中权 | Folding trunk capable of climbing stairs |
| CN2698131Y (en) * | 2003-10-24 | 2005-05-11 | 傅安明 | Labor-saving hand-pulled trunk |
| CN2933105Y (en) * | 2006-06-12 | 2007-08-15 | 王盛信 | Improved pulling carrier |
| EP1994848A1 (en) * | 2007-05-24 | 2008-11-26 | Chun-Te Chen | Trolley bag |
| CN201286416Y (en) * | 2008-09-05 | 2009-08-12 | 阮红菊 | Traveling suitcase |
-
2014
- 2014-04-24 CN CN201410169407.7A patent/CN103932469B/en not_active Expired - Fee Related
- 2014-04-24 CN CN201420205230.7U patent/CN203943206U/en not_active Withdrawn - After Issue
- 2014-05-23 HK HK14104879A patent/HK1193307A2/en not_active IP Right Cessation
- 2014-08-26 WO PCT/IB2014/064058 patent/WO2015036883A1/en active Application Filing
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203943206U (en) * | 2013-09-11 | 2014-11-19 | 廖志强 | Draw-bar box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103932469A (en) | 2014-07-23 |
| HK1193307A2 (en) | 2014-09-12 |
| CN203943206U (en) | 2014-11-19 |
| WO2015036883A9 (en) | 2015-04-23 |
| WO2015036883A1 (en) | 2015-03-19 |
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