CN101607628B

CN101607628B - Folding box hinge and folding box

Info

Publication number: CN101607628B
Application number: CN2008101100001A
Authority: CN
Inventors: 易仁斌; 陈德志
Original assignee: China International Marine Containers Group Co Ltd
Current assignee: China International Marine Containers Group Co Ltd
Priority date: 2008-06-16
Filing date: 2008-06-16
Publication date: 2011-01-26
Anticipated expiration: 2028-06-16
Also published as: CN101607628A

Abstract

The invention relates to a folding box hinge, which comprises an inner hinge and an outer hinge, wherein the outer hinge comprises two parallel outer hinge plates, the inner hinge is parallel between the two outer hinge plates and is movably pivoted with the two outer hinge plates through two parallel pivot shafts, at least one pivot shaft is vertical and two ends thereof protrude out and are fixedly connected with two sides of the inner hinge, the positions corresponding to the two ends of the pivot shaft fixedly connected with the inner hinge are provided with radial displacement limiting devices, which can rotate around the two ends of the pivot shaft, and through the cooperation of the two pivot shafts, of the pivot shafts, and the inner hinge can perform bidirectional rotation towards the inside and the outside of a box body and drive end structures of the folding box to perform bidirectional overturn and folding towards the inside and the outside of a box body by using the two pivot shafts and the rotatable limiting devices in a matching mode, and simultaneously, the defects that the hinge of the prior art needs to draw out the pivot shafts when the pivot shaft s rotate towards the two directions are overcome. The hinge has the advantages of simple structure, flexibility, diversity and convenient operation. The invention also relates to the folding box using the folding box hinge.

Description

Hinge for folding box and folding carton

Technical field

The present invention relates to a kind of parts of large-scale rigid foldable container, be specifically related to a kind of folding carton parts, particularly a kind of hinge for folding box.

The invention still further relates to the folding carton that has adopted this hinge.

Background technology

Folding carton is a kind of as international freight forwarding class freight container, as shown in Figure 1, its structure include underframe 1 ' and be arranged at two folding end constructions 2 at underframe 1 ' two ends ', wherein each end construction 2 ' the bottom all by two hinges 3 ' with underframe end carriage body 4 ' be connected, when return transportation and storage, can with end construction 2 ' be folded in underframe 1 ' on, thereby a plurality of folding cartons can be stacked together, thereby have advantages such as the transport space of saving and efficient transportation.

Continuous development along with the freight container traffic industry, functional requirement to folding carton also is tending towards variation more, as the end construction of folding carton not only requirement can in the folding carton casing, fold, the folding carton that has, also require end construction outside casing, to fold, between ground and underframe end carriage body, form the slope support, for loading and unloading operation.

Commonly used hinge such as Fig. 2, shown in Figure 3 of folding carton in the market, the outer hinge 31 that this hinge 3 ' comprise is captiveed joint with the underframe end ' and with folding carton end corner post bonded assembly inner hinge 32 ', the parallel outer flap 311 of outer hinge 31 ' comprise two ', 312 ' and be vertically installed in two outer flaps 311 ', the outer hinge top board 313 at 312 ' top ', outer flap 311 ', 312 ' be fixed in corner fittings 5 ' on, the outer flap 311 of inner hinge 32 ' be set in parallel in ', 312 ' between.Wherein, inner hinge 32 ' with outer hinge 31 ' by pivot 33 ' and lock pin 34 ' flexibles connection, pivot 33 ' can take out, and by sliding hammer 42 ' urgent lock pin 34 ', thereby reach purpose with inner hinge 32 ' fix; When withdrawing from 34 ' time of lock pin, inner hinge 32 ' can be around pivot 33 ' inwardly rotation is realized folding in casing thereby drive the folding carton end construction; But outside casing when folding since be subjected to outer hinge top board 313 ' stop, inner hinge 32 ' impassabitity, the folding carton end construction can't be realized folded-out function.In addition, the inhibiting device of this hinge be by lock pin 34 ' and be connected the sliding hammer stem 41 of lock pin 34 ' rear end ', sliding hammer 42 ' form, by sliding hammer 42 ' knock, make and slide hammer stem 41 ' drive lock pin 34 ' sway, realize lock pin 34 ' locking and release, this shows, this locking mode must have one can for sliding hammer 42 ', the space of slide bar 41 ' activity, this space is between horizontal two hinges in the outside, underframe end, and must utilize the folding carton of this space as other purposes for some, this locking mode is difficult to carry out beyond doubt.

Shown in Figure 4 is another kind of folding carton hinge form commonly used.The inhibiting device of the existing hinge shown in the inhibiting device of this hinge and Fig. 2,3 is basic identical, different with it is, inner hinge 32 shown in Figure 4 ' bottom face 321 ' with base angle part 5 ' end face 51 ' applying, can't realize equally around pivot 33 ' rotation backward, it is the function that the folding carton end construction can't be folded-out, among the figure 31 ' is outer hinge, 34 ' be lock pin.

In addition, the hinge that also has a kind of folding carton, as Fig. 5 A, 5B, shown in the 5C, this kind hinge arrangement is the disclosed technology of the GB2295381A of British patent, its end construction that can realize folding carton is in casing, folding of outer both direction, its outer hinge 31 " two outer flaps 311 " top is respectively equipped with first, the second outer hinge top board 3131 " and 3132 ", and lay respectively at inner hinge 32 " the left and right sides; do not form barrier structure; and this hinge arrangement is provided with two pivots 33 altogether ", 34 " in the time of; so when taking out pivot 33 ", inner hinge 32 " can around pivot 34 " is to inner rotary; Otherwise, when taking out pivot 34 " time; inner hinge " around pivot 33 " is rotation inwardly; realize that like this folding carton end construction is to the inside and outside folding function of casing; two pivots 33 ", 34 " are not only being born the effect of rotating, and play a part lock pin, but this structure is when operation; must take out one of them pivot, could be around another pivot rotation; Generally, folding carton is in order to satisfy operating needs, and its end construction is all very heavy, because the effect of friction force, takes out pivot and will be very difficulty, and the pivot that takes out also loses easily, and this mode complex operation step and efficient are lower.

More than the summary, each defectiveness of the hinge arrangement that existing folding carton is used haves much room for improvement.

Summary of the invention

Main purpose of the present invention is, at the deficiencies in the prior art, the hinge that provides a kind of folding carton to use, the end construction that can realize folding carton easily be to the folding function of two reverse turn, and solved existing hinge will constantly be extracted pivot out when both direction rotates shortcoming.

Another object of the present invention provides a kind of Collapsible container, and its headwall can bi-directional folded safely and not need constantly to extract out pivot, thereby simple in structure, versatile and flexible, easy to operate.

In order to realize above-mentioned main purpose, first technical scheme that the present invention adopts is:

A kind of hinge for folding box, comprise inner hinge and outer hinge, should comprise two blocks of outer flaps that are parallel to each other by outer hinge, in the described two outer flaps at least one perpendicular to this bottom, angle corner fittings and with this bottom, angle corner fittings Joint, this inner hinge is set in parallel between the described two outer flaps and by two pivots that are parallel to each other and described two outer flaps activities and articulates, vertical and the outstanding both sides that are fixed in this inner hinge, two ends of at least one pivot, the correspondence position at the pivot two ends that described and inner hinge is affixed is provided with the radial displacement inhibiting device of the described pivot that can rotate around described pivot two ends, but this inhibiting device comprises and described two outer flaps two axle sleeves that connect of embedding phase inversion and be fixed in described two axle sleeve bottom sides and can drive the described two axle sleeves pivot arm of rotation synchronously mutually, put at described diaxon, be provided with " U " shape notch with the described cooresponding position, pivot two ends that is fixed on the inner hinge, " U " shape notch that described diaxon puts can be put into or break away from the described two ends that are fixed in the pivot on the inner hinge, make described in, outer hinge pivots and connects or break away from.

Described hinge for folding box, wherein, with respectively offer " U " shape notch coupling cooresponding " U " v notch v that puts with described diaxon on the affixed cooresponding outer flap in pivot two ends of this inner hinge, " U " shape notch that described " U " v notch v and described diaxon put can be put into or break away from the described two ends that are fixed in the pivot on the inner hinge respectively, and " U " shape notch opening that puts when described " U " v notch v and described diaxon can limit the radial displacement of described pivot when reverse.

Described hinge for folding box, wherein, described inhibiting device is arranged at the inboard of described two outer flaps, described each axle sleeve just comprise coupling be embedded at the base in " U " v notch v of described outer flap rotationally and be positioned at this base inboard and with the axle sleeve body of this base Joint, the pivot arm of described inhibiting device is " U " shape pivot arm or circular arc pivot arm, two open ends of this pivot arm respectively with the bottom side Joint of two axle sleeve bodies, this pivot arm can rotate in the space between the flap outside described two.

Described hinge for folding box, wherein, described two outer flap inside bottom are provided with the pile support that this inner hinge is accurately resetted, and when the end construction of this inner hinge drive folding carton resets in vertical state, fit in the bottom surface of the end face of this pile support and this inner hinge lower wing plate.

Described hinge for folding box, wherein, described two pivots vertically are fixed in the both sides of this inner hinge respectively highlightedly, and cooresponding with it described revolving inhibiting device is two, with " U " v notch v of offering on the affixed cooresponding every block of outer flap in pivot two ends of this inner hinge be two.

Described hinge for folding box, wherein, described inhibiting device is arranged at the outside of described two outer flaps, described each axle sleeve just comprise coupling be embedded at rotationally described outer flap " U " v notch v bottom sides base and be positioned at this chassis outer side and with the axle sleeve body of this base Joint, the pivot arm of described inhibiting device is " U " shape pivot arm or circular arc pivot arm, two open ends of this pivot arm respectively with the bottom side Joint of two axle sleeve bodies, this pivot arm can rotate in the outside of flap outside described two.

Described hinge for folding box, wherein, with the wing plate bottom of this inner hinge of the pivot arm correspondence position of described inhibiting device or/and the base angle part is provided with the detent mechanism that the pivot arm with this described inhibiting device positions.

Described hinge for folding box, wherein, with respectively offer " U " shape notch that puts with described diaxon on the affixed cooresponding outer flap in pivot two ends of inner hinge and mate cooresponding pivoting hole, the described two ends that are fixed in the pivot of inner hinge can insert or break away from " U " shape notch that described diaxon puts and described inside and outside hinge be pivoted connect or break away from.

Described hinge for folding box, wherein, described two pivots vertically are fixed in the both sides of this inner hinge respectively, and cooresponding with it inhibiting device is two.

Described hinge for folding box, wherein, with the wing plate bottom of the described inner hinge of the pivot arm correspondence position of described inhibiting device or/and the base angle part is provided with the detent mechanism that the pivot arm of this described inhibiting device positions.

In order to realize another object of the present invention, second technical scheme that the present invention adopts is: the folding carton that adopts above-mentioned hinge for folding box.

The present invention has designed hinge that a kind of folding carton uses and the folding carton that adopts this hinge thereof, inside and outside hinge is passed through two pivotal joints, and will be wherein at least one pivot directly be fixed in the both sides of inner hinge, and the corresponding rotatable inhibiting device of hinge inboard or arranged outside outside, by being used of two pivots and rotatable inhibiting device, realize that inner hinge is folding to the two-way upset of end construction inside and outside casing of carrying out two-way rotation and drive folding carton inside and outside the casing, solved hinge will constantly be extracted pivot out when both direction rotates shortcoming simultaneously.Hinge for folding box of the present invention is simple in structure, and is versatile and flexible, easy to operate.

Description of drawings

Fig. 1 is the structural representation of existing folding carton;

Fig. 2 is the structural representation of existing folding carton shown in Figure 1 hinge commonly used;

Fig. 3 is the locking mode scheme drawing of existing folding carton shown in Figure 2 hinge commonly used;

Fig. 4 is the structural representation of the another kind of hinge commonly used of existing folding carton;

Fig. 5 A be existing folding carton another can in the hinge for folding box of the inner rotary scheme drawing when in casing, overturning;

Fig. 5 B be shown in Fig. 5 A can in the hinge for folding box of the inner rotary scheme drawing when outside casing, overturning;

Fig. 5 C be shown in Fig. 5 A can in the hinge for folding box inner hinge of inner rotary inwardly rotate the partial schematic diagram at outer hinge top, back;

Fig. 6 A is the structural representation of first kind of embodiment of hinge for folding box of the present invention;

Fig. 6 B is the structural representation of inhibiting device in Fig. 6 A hinge for folding box of the present invention;

Fig. 6 C is the end view of Fig. 6 A;

Fig. 6 D is the front view of Fig. 6 A;

Fig. 6 E is the hinge for folding box shown in Fig. 6 A when the scheme drawing of inner hinge during to the casing inner rotary;

Fig. 6 F is the scheme drawing of the hinge for folding box shown in Fig. 6 A when inner hinge rotates in casing;

Fig. 7 is the structural representation of second kind of embodiment of hinge for folding box of the present invention;

Fig. 8 A is the structural representation of the third embodiment of hinge for folding box of the present invention;

Fig. 8 B is the scheme drawing of the hinge for folding box shown in Fig. 8 A when inner hinge rotates in casing;

Fig. 8 C is the scheme drawing of the hinge for folding box shown in Fig. 8 A when end construction is in vertical state;

Fig. 9 A is the structural representation of the 4th kind of embodiment of hinge for folding box of the present invention;

Fig. 9 B is the scheme drawing of the hinge for folding box shown in Fig. 9 A when end construction is in vertical state.

Number in the figure is as follows:

Prior art:

1 ' underframe, 2 ' end mechanism, 5 ' base angle part

The existing hinge of first and second kind

3 ' hinge

31 ' outer hinge

311 ', 312 ' outer flap

313 ' outer hinge top board

32 ' inner hinge

321 ' bottom face

33 ' pivot, 34 ' lock pin, 41 ' slide bar 42 ' cunning hammer

The third existing hinge

3 " hinges

31 " outer hinge

311 " outer flap

313 " hinge top board

3131 " the first outer hinge top boards 3132 ", the second outer hinge top board

32 " inner hinges 33 ", 34 " pivots

The present invention:

1 underframe, 2 end constructions, 5 base angle parts, 51 base angle part end faces

3 hinges

31 outer hinges

311 first outer flaps

3,111 first outer flap pivoting hole 3112 axle sleeve 3113 " U " v notch vs

312 second outer flaps

3123 " U " v notch v

32 inner hinges

321 pivoting holes 322,323,324,325,326,327 first, second, third and fourth,

Five, six lockout mechanisms, 328 lower wing plate bottom surfaces

33 pivots

34 inhibiting device

341 first axle sleeves

3411 bases, 3412 axle sleeve bodies, 3,413 first axle sleeve " U " shape notches

342 second axle sleeves

3421 bases, 3422 axle sleeve bodies, 3,423 second axle sleeve " U " shape notches

343 pivot arms

344 directly are fixed in pivot or the lock pin on the inner hinge

35 pile supports

351 end faces

42 sliding hammers

The specific embodiment

Below in conjunction with accompanying drawing,, will make technical scheme of the present invention and other beneficial effects apparent by the specific embodiment of the present invention is described in detail.

Hinge of the present invention is articulated between the corner post of underframe and end construction, realize prior art freight container hinge with end construction with respect to underframe erect and the folder function that fell outside, realize that simultaneously headwall falling outside casing is folding, original creation part of the present invention is the structure of the hinge of folding carton, and the structure of other parts of folding carton does not repeat them here.

[embodiment 1]

Fig. 6 A, 6B, 6C, 6D, 6E, 6F are the structural representation of first kind of embodiment of hinge for folding box of the present invention.

As shown in Figure 6A, the hinge 3 of folding carton of the present invention comprises: inner hinge 32, the outer hinge 31 that is arranged at inner hinge 32 outsides, pivot 33 and inhibiting device 34, inner hinge 32, outer hinge 31 detachably movablely articulate and lock with inhibiting device 34 by

pivot

33 and 344, are provided with the detent mechanism 322,323 that positions with inhibiting device 34 with the bottom of the inner hinge 32 of inhibiting device 34 correspondence positions.

Again as shown in Figure 6A, outer hinge 31 comprise two be parallel to each other and respectively with the base angle part 5 of folding carton respective end affixed first, the second outer flap 311,312, the first outer flap 311 is positioned at the outside of casing, and the second outer flap 312 is positioned at the inboard of casing, the first outer flap 311 is provided with two mutual cooresponding pivoting holes 3111 (shown in Fig. 6 D) near an end of corner fittings 5, pivoting hole on the second outer flap 312 is not shown, and the first outer flap 311, the second outer flap 312 offers two cooresponding " U " v notch v 3113 respectively near the other end in the casing, 3123.

The shape of inner hinge 32 and outer flap 31 are suitable, one end of its close corner fittings 5 and the pivoting hole 3111 of the first outer hinge and the pivoting hole correspondence position of the second outer flap 312 are provided with pivoting hole 321 (referring to Fig. 6 F), and near the both sides of the other end in the casing and " U " v notch v 3113 of

outer hinge

31,3123 correspondence position direct mounts have another pivot 344, pivot 344 is divided into two sections, vertically be fixed in the both sides of inner hinge 32 respectively, because this pivot 344 is except that bearing the pivot action identical with pivot 33, therefore also bear the effect of lock pin simultaneously, directly be called lock pin 344 below.

Pivoting hole 3111 action principles of the pivoting hole 321 of pivot 33, inner hinge 32, outer hinge 31 are identical with the principle of prior art, be in the pivoting hole of pivot 33 pivoting hole 3111, the second outer flap 312 that inserts the pivoting hole 321 of inner hinge 32 and the first outer flap 311 respectively, the end construction that inner hinge 32 can drive folding carton realize in casing by pivot 33 or outer upset folding.Also can in pivoting hole 3111, establish axle sleeve 3112 in addition and make pivot 33 convenient rotation in axle sleeve 3112, also can axle sleeve be set correspondence in the pivoting hole of the second outer flap 312.

Fig. 6 B is the structural representation of inhibiting device 34.Shown in Fig. 6 B, inhibiting device 34 is arranged at the inboard of two outer flaps 311,312, and it comprises first, second axle sleeve 341,342 that be arranged in parallel and the pivot arm 343 that is connected in two axle sleeves, 341,342 bottom sides.Axle sleeve 341 further comprise base 3411 again and be positioned at base 3411 outsides and with the axle sleeve body 3412 of base 3411 Joints, base 3411 just mates in " U " v notch v 3113 that is embedded at outer flap 311 rotationally, and axle sleeve 342 further comprises base 3421 and be positioned at base 3421 outsides and with the axle sleeve body 3422 of base 3421 Joints, base 3421 just mates in " U " v notch v 3123 that is embedded at outer flap 312 rotationally; The pivot arm 343 of inhibiting device 34 can be " U " shape pivot arm or circular arc pivot arm, two open ends of this pivot arm respectively with the bottom side Joint of two

axle sleeve bodies

3412,3422, pivot arm 343 can rotate the inboard of flap 311,312 outside two.

In conjunction with referring to Fig. 6 A, 6C, 6D, on the

base

3411,3421 of first, second axle sleeve 341,342 and

axle sleeve body

3412,3422, be respectively arranged with " U "

shape notch

3413 and 3423 with " U "

v notch v

3113,3123 cooresponding positions of outer flap 311,312 respectively, " U " shape notch 3413 of first axle sleeve 341 is corresponding with " U " v notch v of outer flap 311 3113 couplings, and " U " shape notch 3423 of second axle sleeve 342 is corresponding with " U " v notch v 3123 couplings of outer flap 312.

Certainly, theoretically, inhibiting device 34 also can be arranged at the outside of two outer flaps 311,312, and its action principle is to be arranged at inboard principle similar, and just pivot arm must design suitablely with two outer flaps 311,312.For example, if U-shaped pivot arm, then the distance between two vertical edges of U-shaped pivot arm should be greater than the distance between the two outer flaps 311,312, if the circular arc pivot arm that opening makes progress, then the distance between the open end of circular arc pivot arm should satisfy its rotation outside the flap 311,312 outside two, is provided with first, second lockout mechanism 322,323 in the lower wing plate bottom of inner hinge 32 with pivot arm 343 relevant positions.

The working process of hinge of the present invention is shown in Fig. 6 D, 6E, 6F:

Shown in Fig. 6 D, when the folding carton end construction is in vertical position, inside and

outside hinge

32,31 is in the lock state by inhibiting device 34, " U " v notch v 3113 on " U " shape notch 3413 on this moment inhibiting device 34 axle sleeves 341 and the outer flap 311, and the opening of " U " v notch v 3123 on the opening of " U " shape notch 3423 on the axle sleeve 342 and the outer flap 312 misplaces, and lock with first lockout mechanism 322 on the inner hinge plate, make the folding carton end construction stably be in vertical position.

Shown in Fig. 6 E, when the end construction of vertical position will turn up turnover when folded to casing, it is folding outside casing promptly to drive end construction by inner hinge 32, discharge first lockout mechanism 322 earlier, rotating pivot arm 343 makes the hinge inhibiting device 34 that is located on the outer hinge 32 be in the reference position release position, this moment inhibiting device 34 two axle sleeves 341, " U " shape notch 3413 on 342,3423 respectively be located at outer hinge wallboard 311, " U " v notch v 3113 on 312,3123 alignment, be two axle sleeves 341 of inhibiting device 34, " U " shape notch 3413 on 342,3423 path of motions that satisfy lock pin 344 also can be passed through, lock pin 344 on the inner hinge 32 is from " U " shape notch 3413 of alignment then, 3423 with outer hinge wallboard 311, " U " v notch v 3113 on 312, extract out in 3123, and be that centre of gration is to inner rotary and drive the upset of whole end construction outside casing and fold with pivot 33.

When inner hinge 32 folding outside casing or end construction will be returned to vertical position, inner hinge 32 is that centre of gration rotates in casing and drives whole end construction and rotates in casing with pivot 33, the outer flap 311 of this moment, " U " v notch v 3113 on 312,3123 pairs of inner hinges 32 play the spacing effect that returns, promptly, inner hinge 32 rotations arrive outer chain wallboard 311 when making lock pin 344, " U " v notch v 3113 of 312, during 3121 places, lock pin 344 is from this " U " v notch v 3113, " U " shape notch 3413 of the axle sleeve 341 that 3121 opening part insertion position overlaps and the bottom of " U " v notch v 3113 of outer chain wallboard 311, and the bottom of " U " v notch v 3123 of " U " shape notch 3423 of the axle sleeve 342 of position coincidence and outer chain wallboard 321, inner hinge 32 resetted and drove end construction and gets back to vertical position this moment, the pivot arm 343 of rotary limit device 34 then, make axle sleeve 341,342 around lock pin 344 rotations, " U " v notch v 3113 on " U " shape notch 3413 and the outer flap 311 on the axle sleeve 341 and the opening of " U " shape notch 3423 on the axle sleeve 342 and the opening of " U " v notch v 3123 on the outer flap 312 are misplaced, and with first lockout mechanism 322 location that is located on the inner hinge 32, thereby locking inner hinge 32 is so that end construction stably remains on folded state.

In conjunction with shown in the 6D, when the end construction of vertical position will overturn in casing when being folded on the underframe, it is folding in casing promptly to drive end constructions by inner hinge 32 as Fig. 6 F.Discharge first lockout mechanism 322 this moment earlier, again pivot 33 is withdrawed from from the pivoting hole 321 of outer hinge two pivoting holes 3111 (be provided with axle sleeve from axle sleeve 3112) and inner hinge 32 by sliding hammer 42 (shown in Fig. 6 C), if pivot 33 is directly to be fixed on the inner hinge 32 certainly, just directly with the pivot on the inner hinge 32 33 extraction from outer hinge two pivoting holes 3111 (be provided with axle sleeve from axle sleeve 3112), this moment, inner hinge 32 was the inside rotary folding in center with the lock pin 344 of self promptly, when inner hinge 32 drive end constructions turn on the underframe, the identical pivot arm 343 that promptly rotates counterclockwise with inner hinge 32 hand of rotation, " U " v notch v 3113 on " U " shape notch 3413 and the outer flap 311 on the axle sleeve 341 and " U " shape notch on the axle sleeve 342 3423 and " U " v notch v 3123 continuation on the outer flap 312 are misplaced, this moment axle sleeve 341, " U " shape notch 3413 on 342,3423 basic horizontal are in casing, be that second lockout mechanism 323 on the available inner hinge locks, reach promptly that end construction is folding in casing to be tiled on the underframe and the purpose of locking.

When the end construction on being folded to underframe will be returned to vertical position, untie second lockout mechanism 323, insert in the pivoting hole 321,3111 of inside and outside hinge until desired location and with pivot 33 for middle mind-set casing rotates inner hinge 32 outward with lock pin 344.In addition, because inner hinge 32 flop phenomenon may occur when folding, cause pivot 33 to reset, so flap 311,312 inside bottom are provided with pile support 35 outside, when inner hinge 32 resets, the end face 351 of this pile support 35 is promptly fitted with the lower wing plate bottom surface 328 of inner hinge 32, thereby inner hinge 32 is accurately resetted.

[embodiment 2]

Fig. 7 is the front view of second kind of embodiment of hinge for folding box of the present invention.

Embodiment 2 as shown in Figure 7, difference from Example 1 is, adopt two cover pivot and lockout mechanisms as described in Example 1 fully, promptly on inner hinge 32, directly be provided with two lock pins 344 and 344 ', have on every block of outer flap 311 simultaneously two " U " v notch vs 3113 and 3113 ', inner hinge 32 is when operation like this, just cancelled the operation of pivot 33, simultaneously because breach 3113 ' the position be provided with, the mistake flop phenomenon that can effectively avoid inner hinge 32 when folding, may occur, so can not adopt example 1 described pile support 35, because the principle of work of present embodiment is similar to example 1, so do not repeat them here.

[embodiment 3]

Fig. 8 A, 8B, 8C are the structural representation of the third embodiment of hinge for folding box of the present invention.

Embodiment 3 is with the difference of embodiment 1, this example is the improvement of carrying out on existing folding carton universal hinge structure, shown in Fig. 8 A, be about to adopt pivot and lockout mechanism as described in Example 1, and pivot 33 structures of the other end are constant with the lockout mechanism of base angle part 5 bonded assemblys one end.

The inner hinge 32 of present embodiment 3 is connected with outer hinge 31 by pivot 33, and the pivot 33 of its connection mode and example 1 is identical with the connection mode of outer hinge 31, so do not repeat them here; And similar to the action principle of the lock pin 344 of base angle part 5 bonded assembly extended end to example 1, do not do detailed description at this yet, now only carry out simple declaration in conjunction with view.

For another example shown in Fig. 8 A, lock pin 344 has been fixedly connected on the inner hinge 32, inhibiting device 34 is arranged at the inboard of two outer flaps 311,312, it comprises two axle sleeves 341,342 that be arranged in parallel and the U-shaped pivot arm 343 that is connected in two axle sleeves, 341,342 lower ends, correspondence position is respectively arranged with " U "

shape notch

3413 and 3423 on axle sleeve 341,342, " U " shape notch 3413 of axle sleeve 341 is corresponding with original lockpin hole of outer flap 311 3111 couplings, and " U " shape notch 3423 of axle sleeve 342 is corresponding with original lockpin hole 3121 couplings on the outer flap 312.Certainly, the

lockpin hole

3111,3121 of outer flap 311,312 can not be provided with yet, or adopts example 1 described " U " v notch v, and breach is corresponding with " U "

shape notch

3413,3423 couplings of axle sleeve 341,342, its action principle is similar to example 1, so also do not describe in detail at this.

Shown in Fig. 8 B, when end construction need be in casing during folded turnover, the inhibiting device 34 that is located on the outer hinge 32 is in the reference position release position, be the path of motion that " U "

shape notch

3413,3423 on the axle sleeve 341,342 on the inhibiting device satisfies lock pin 344, lock pin 344 breaks away from from " U "

shape notch

3413,3423 of axle sleeve 341,342, inner hinge 32 rotates the drive end construction around pivot 33 and folds in case and be tiled on the underframe in casing, and positions with the 3rd lockout mechanism 324 that is located on the inner hinge 32.

Shown in Fig. 8 C, when the end construction on being folded to underframe will be returned to vertical position, discharge the 3rd lockout mechanism 324, outside casing, rotate inner hinge 32 when axle sleeve 341,342 relevant positions of inhibiting device 34, lock pin 344 inserts in " U "

shape notch

3413,3423 of axle sleeve 341,342 again, rotates pivot arm 343 and makes inner hinge 32 get back to reference position also with the 4th lockout mechanism 325 location that are located on the inner hinge 32.

[embodiment 4]

Fig. 9 A, 9B are the structural representation of the 4th kind of embodiment of hinge for folding box of the present invention.

Shown in Fig. 9 A, 9B, present embodiment 4 is with the difference of embodiment 1, the shape of the inside and outside hinge in this example and embodiment 1 are different, so features of shape according to inner hinge in this example, to adopt pivot and lockout mechanism as described in Example 1 with lock pin 344 structures of base angle part 5 bonded assembly extended end, and pivot 33 structures of another extended end are constant, but on inner hinge plate 32 lower wing plates bottom and these bottom corner fittings 5 inboard drift angle ends two the 5th, the 6th lockout mechanism 326,327 are set respectively.

When the end construction of vertical position will overturn in casing when being folded on the underframe, it is folding in casing promptly to drive end construction by inner hinge 32, the inhibiting device 34 that be located on the outer hinge 32 this moment is in the reference position release position, lock pin 344 on the inner hinge 32 is extracted out from " U " shape notch of inhibiting device, and be that centre of gration rotates in casing and to drive the upset of whole end construction outside casing folding with pivot 33, inhibiting device 34 under this state can be fixing with locking inner hinge 32 with the lockout mechanism 326 that is positioned on the base angle part 5 inboard drift angle ends, end construction stablized be folded on the platform chassis.

When the end construction on being folded to underframe will be returned to vertical position, outside casing, rotate inner hinge 32 when inhibiting device 34 positions, lock pin 344 inserts in inhibiting device 34 " U " the shape notch again, rotate pivot arm 343 (shown in Fig. 6 B) and make inner hinge 32 get back to reference position, make end construction stably remain on vertical state also with lockout mechanism 327 location that are located on the inner hinge 32.

As known by the technical knowledge, the present invention can realize by other the embodiment that does not break away from its spirit or essential feature.Therefore, above-mentioned disclosed embodiment with regard to each side, all is a casehistory, is not only.All within the scope of the present invention or the change in being equal to scope of the present invention all be included in the invention.

Claims

1. hinge for folding box, comprise inner hinge and outer hinge, should comprise two blocks of outer flaps that are parallel to each other by outer hinge, in the described two outer flaps at least one perpendicular to the base angle part of the folding carton angle end at described two outer flap places and with this bottom, angle corner fittings Joint, this inner hinge is set in parallel between the described two outer flaps and by two pivots that are parallel to each other and described two outer flaps activities and articulates, it is characterized in that, vertical and the outstanding both sides that are fixed in this inner hinge, two ends of at least one pivot, the correspondence position at the pivot two ends that described and inner hinge is affixed is provided with the radial displacement inhibiting device of the described pivot that can rotate around described pivot two ends, but this inhibiting device comprises and described two outer flaps two axle sleeves that connect of embedding phase inversion and be fixed in described two axle sleeve bottom sides and can drive the described two axle sleeves pivot arm of rotation synchronously mutually, put and be provided with " U " shape notch at described diaxon with the described cooresponding position, pivot two ends that is fixed on the inner hinge, " U " shape notch that described diaxon puts can be put into or break away from the described two ends that are fixed in the pivot on the inner hinge, make described in, outer hinge pivots and connects or break away from.

2. hinge for folding box according to claim 1, it is characterized in that, with respectively offer " U " shape notch coupling cooresponding " U " v notch v that puts with this inhibiting device diaxon on the affixed cooresponding outer flap in pivot two ends of this inner hinge, " U " shape notch that described " U " v notch v and described diaxon put can be put into or break away from the described two ends that are fixed in the pivot on the inner hinge respectively, can limit the radial displacement of described pivot outside described during the opening dislocation of the opening of " U " v notch v of flap and " U " shape notch that described diaxon puts.

3. hinge for folding box according to claim 2, it is characterized in that, described inhibiting device is arranged at the inboard of described two outer flaps, described each axle sleeve just comprise coupling be embedded at the base in " U " v notch v of described outer flap rotationally and be positioned at this base inboard and with the axle sleeve body of this base Joint, the pivot arm of described inhibiting device is " U " shape pivot arm or circular arc pivot arm, two open ends of this pivot arm respectively with the bottom side Joint of two axle sleeve bodies, this pivot arm can rotate in the space between the flap outside described two.

4. hinge for folding box according to claim 3, it is characterized in that, described two outer flap inside bottom are provided with the pile support that this inner hinge is accurately resetted, when the end construction of this inner hinge drive folding carton resets in vertical state, fit in the bottom surface of the end face of this pile support and this inner hinge lower wing plate.

5. hinge for folding box according to claim 3, it is characterized in that, described two pivots vertically are fixed in the both sides of this inner hinge respectively highlightedly, cooresponding with it described revolving inhibiting device is two, with " U " v notch v of offering on the affixed cooresponding every block of outer flap in pivot two ends of this inner hinge be two.

6. hinge for folding box according to claim 2, it is characterized in that, described inhibiting device is arranged at the outside of described two outer flaps, described each axle sleeve just comprise coupling be embedded at rotationally described outer flap " U " v notch v bottom sides base and be positioned at this chassis outer side and with the axle sleeve body of this base Joint, the pivot arm of described inhibiting device is " U " shape pivot arm or circular arc pivot arm, two open ends of this pivot arm respectively with the bottom side Joint of two axle sleeve bodies, this pivot arm can rotate in the outside of flap outside described two.

7. according to claim 3 or 6 described hinge for folding box, it is characterized in that, with the wing plate bottom of this inner hinge of the pivot arm correspondence position of described inhibiting device or/and the base angle part is provided with the detent mechanism that the pivot arm with this described inhibiting device positions.

8. hinge for folding box according to claim 1, it is characterized in that, with respectively offer " U " shape notch that puts with described diaxon on the affixed cooresponding outer flap in pivot two ends of inner hinge and mate cooresponding pivoting hole, the described two ends that are fixed in the pivot of inner hinge can insert or break away from " U " shape notch that described diaxon puts and described inside and outside hinge be pivoted connect or break away from.

9. hinge for folding box according to claim 8 is characterized in that, described two pivots vertically are fixed in the both sides of this inner hinge respectively, and cooresponding with it inhibiting device is two.

10. hinge for folding box according to claim 8 is characterized in that, with the wing plate bottom of the described inner hinge of the pivot arm correspondence position of described inhibiting device or/and the base angle part is provided with the detent mechanism that the pivot arm of this described inhibiting device positions.

11. folding carton, comprise underframe and the two collapsible end constructions at these underframe two ends are set, the bottom of described each end construction is connected with the end carriage body of this underframe by two hinges, it is characterized in that described hinge is the hinge for folding box as one of claim 1 to 10.