CN105905394B - Folding carton - Google Patents
Folding carton Download PDFInfo
- Publication number
- CN105905394B CN105905394B CN201610341375.3A CN201610341375A CN105905394B CN 105905394 B CN105905394 B CN 105905394B CN 201610341375 A CN201610341375 A CN 201610341375A CN 105905394 B CN105905394 B CN 105905394B
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- China
- Prior art keywords
- side plate
- handle
- locking piece
- locking
- lock tongue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 239000011324 bead Substances 0.000 claims description 12
- 230000014759 maintenance of location Effects 0.000 claims description 12
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 210000001364 upper extremity Anatomy 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D11/00—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material
- B65D11/18—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material collapsible, i.e. with walls hinged together or detachably connected
- B65D11/1833—Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, components made wholly or mainly of plastics material collapsible, i.e. with walls hinged together or detachably connected whereby all side walls are hingedly connected to the base panel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D21/00—Nestable, stackable or joinable containers; Containers of variable capacity
- B65D21/02—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together
- B65D21/0209—Containers specially shaped, or provided with fittings or attachments, to facilitate nesting, stacking, or joining together stackable or joined together one-upon-the-other in the upright or upside-down position
- B65D21/0228—Containers joined together by screw-, bayonet-, snap-fit or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cartons (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
Abstract
The invention discloses a kind of folding cartons, including bottom plate, a pair of first side plate and a pair of second side plate, the first side plate and the second side plate to be hinged to bottom plate and can fold relative to bottom plate, and the first side plate and second side plate pass through locking mechanism releasedly mutually locking.The locking mechanism is made of guidance feature, locking piece and reset feature, and wherein locking piece is set on the first side plate and for being used for the first adjacent side plate and the second side plate mutually locking and reset feature to drive locking piece.Folding carton of the invention is frequently reused conducive to cabinet in use, locking and unlock driving force are small, the comfort level for promoting operation, reduces the fatigue and loss of operator, the unlock of side plate is simple and convenient, and it is small to rub when locking and unlock, extends the service life of locking mechanism and cabinet.
Description
Technical field
The present invention relates to containers, and in particular to folding carton.
Background technique
Existing folding carton has fixed side plate thickness and height, and when in use, upright, four blocks of side plates opposite will be unfolded in side plate
Interlocking, so that holding freight is carried out in the space for forming relative closure, and after cargo empties, cabinet needs are recovered, in order to bigger
Change save the cost, box side is folded, and makes that more cabinet recycling can be accommodated in same space.
It in the removal process of folding carton, needs convenient for cleaning, is especially eaten when folding carton is used to load fresh wait of vegetables and fruits
It is cleaned when product, after use particularly important.Meanwhile cabinet in use, should guarantee its load cargo when it is safe and reliable, again
The unlock and folding that side plate can be simple and fast when cargo empties in the case.
The side plate of existing folding carton, such as folding carton disclosed in patent application WO2011062565A1, cabinet can be real
Now quickly locking, but the handle of cabinet is generally located on side plate outer rim, when folding carton is in use often by interior
Loading object is to side plate project power, and the fit-up gap that handle needs easilys lead to handle portion deformation and protrudes the outer of side plate
Edge, in this case, cabinet are still easy to be triggered to handle in use and it are allowed to unlock in carrying, to folding
Case brings security risk, and when side plate locking, the guidance feature phase mutual friction of the lock tongue and side plate at handle both ends overcomes on handle
Elastic slice deformation and cross the guidance feature of side plate to lock, like this, frequent repetitive operation can bring the abrasion of handle
And additional loss is caused, a large amount of reinforcing rib in addition is arranged on this folding carton side plate to reinforce the intensity of side plate, this makes
Be easy to shelter evil people and countenance evil practices in cabinet use process, be also unfavorable for rapid cleaning after use, be unfavorable for the food safeties such as vegetables and fruits are fresh.
Summary of the invention
The object of the present invention is to provide a kind of foldable double smooth surface folding cartons, the smooth no reinforcing rib arrangement of appearance is easy to
Rapid cleaning, the unlock of side plate is simple and convenient when empty van recycles, and handle is placed in side plate interior sides, is not easy in use process by accident
It triggers and unlocks.
To solve the above-mentioned problems, according to an aspect of the invention, there is provided a kind of folding carton, the folding carton include
Bottom plate, a pair of first side plate and a pair of second side plate, first side plate and second side plate are hinged to the bottom plate and can
It is folded relative to the bottom plate, first side plate and second side plate pass through locking mechanism releasedly mutually locking, institute
It states locking mechanism to be made of guidance feature, locking piece and reset feature, wherein the locking piece is set on first side plate
And it is used for the first adjacent side plate and the second side plate mutually locking；The guidance feature is set on second side plate and is used in combination
Cooperate in the locking piece；And the reset feature is for driving the locking piece.
Preferably, the reset feature is set on the locking piece or first side plate.
Preferably, the guidance feature includes the inclined-plane being arranged in the protrusion for protrude from the inner wall of second side plate, it should
Inclined-plane is located at the upper surface of the protrusion and tilts down towards the inside of cabinet.
Preferably, the top of the side plate is equipped with positioning protrusion, it is equipped with and the positioning protrusion in the bottom of the bottom plate
The groove of cooperation, wherein the pit of the bottom base plate of a upper folding carton is caught in next folding when multiple folding carton stackings
In the positioning protrusion of the side plate upper end of case.
Preferably, one end of the locking piece is equipped with lock tongue, the reset feature is be set to the locking piece another
The opening of the V-shaped elastic slice at end and the V-shaped elastic slice is towards the lock tongue.
Preferably, the locking piece is further provided with the second lock tongue elastic slice, wherein the second lock tongue elastic slice is set to institute
The upside or downside for stating locking piece, for forcing the lock tongue to swing on the first side plate, so that long side plate is in locking
State.
According to another aspect of the present invention, a kind of folding carton is provided, the folding carton includes bottom plate, a pair of first side plate
With a pair of second side plate, first side plate and second side plate are hinged to the bottom plate and can roll over relative to the bottom plate
Folded, releasedly mutually locking, the locking mechanism include handle by locking mechanism for first side plate and second side plate
Hand, guidance feature, locking piece and reset feature, wherein the locking piece is set on first side plate and for will be adjacent
First side plate and the second side plate mutually locking；The guidance feature is set on second side plate and is used for and the locking piece
Cooperation；One end of the locking piece is equipped with lock tongue, the reset feature include the stopper section that is set on first side plate and
It is set to the other end of the locking piece and the opening with the V-shaped elastic slice of stopper section cooperation and the V-shaped elastic slice
Away from the lock tongue；And the handle is slidably mounted on first side plate and cooperates with the locking piece.
Preferably, the handle is arranged to after the handle is installed on first side plate, the lateral surface of the handle
The distance between inner surface of first side plate is less than the thickness of first side plate.
Preferably, the locking piece is further provided with the first lock tongue elastic slice, the first lock tongue elastic slice is set to the lock
Determine the outside of part and be equipped with retention bead and triggering protrusion, first side plate be equipped be respectively used to accommodate the retention bead and
Limit hole and the triggering hole of protrusion are triggered, wherein the retention bead and limit hole cooperation are to make the locking piece
It is able to maintain in unlocked state, the triggering protrusion can be triggered by second side plate and the retention bead is made to be detached from institute
State limit hole.
Preferably, the locking piece is further provided with the second lock tongue elastic slice, wherein the second lock tongue elastic slice is set to institute
The upside or downside for stating locking piece, for forcing the lock tongue to swing on the first side plate, so that long side plate is in locking
State.
Preferably, extending a mounting wall parallel with the inner wall of the first side plate on the inner wall of the first side plate, and described
One of first side plate and the handle are equipped with hook and another is equipped with hanging groove, and the handle is contained in the interior of first side plate
In the space formed between wall and the mounting wall and the hook cooperates with the hanging groove, so that the handle can be along institute
The first side plate is stated to slide up and down.
Preferably, the handle and the locking piece are arranged to be in locking when first side plate and second side plate
When state, the both ends of the handle bear against one end of two locking pieces, and after the handle mobile preset distance, it is described
The both ends of handle are detached from the locking piece.
Preferably, the both ends of the handle are equipped with handle elastic slice, the handle elastic slice is for driving the handle in movement
After reset.
Preferably, one end opposite with the lock tongue of the locking piece is equipped with guide surface, the handle is led with described
The end cooperated to face is equipped with curved surface, and the curved surface and the guide surface cooperate so that the end of the handle can be in institute
It states and is smoothly slided on guide surface.
In accordance with a further aspect of the present invention, a kind of folding carton is provided, the folding carton includes bottom plate, a pair of first side plate
With a pair of second side plate, first side plate and second side plate are hinged to the bottom plate and can roll over relative to the bottom plate
Folded, releasedly mutually locking, the locking mechanism include handle by locking mechanism for first side plate and second side plate
Hand, guidance feature, locking piece and reset feature, wherein the locking piece is set on first side plate and for will be adjacent
First side plate and the second side plate mutually locking；The guidance feature is set on second side plate and is used for and the locking piece
Cooperation；One end of the locking piece is equipped with lock tongue, the reset feature include the stopper section that is set on first side plate and
Be set to the locking piece upside or downside and with the elastic slice of stopper section cooperation and the elastic slice and the locking piece
Predetermined angular is formed between uper side surface；And the handle be slidably mounted on first side plate and with the locking
Part cooperation.
Folding carton of the invention is in use, small (handle lifts strength and lock tongue and side plate to driving force when locking and unlock
Compressing), more conducively cabinet frequently duplicate use promotes the comfort level of operation, reduces the fatigue and loss of operator, side plate
It unlocks simple and convenient, and locks and when unlock rubs small, extend the service life of locking mechanism and chest.
Secondly, locking structure of the invention can not only realize the mutually locking between side plate, while structure is simple, locking
And convenient for unlocking, save the cost.
Locking piece of the invention be arranged to box side independence, and locking piece is in intensity, the performances such as wear-resisting, endurance
It is better than the material of cabinet, it is also replaceable when the loss of its cabinet vulnerable part (locking piece), the use of cabinet is extended on the whole
Service life.
Detailed description of the invention
Fig. 1 is the perspective view of the folding carton of an embodiment according to the present invention, and local cutting is to show locking mechanism；
Fig. 2-5 is the enlarged drawing of A, B in Fig. 1, C portion respectively, and wherein Fig. 3 is another state of Fig. 2；
Fig. 6 is locked out the perspective view for the first side plate that mechanism is mounted thereon；
Fig. 7-8 is the enlarged drawing of the part D of Fig. 6, wherein Fig. 8 is another state of Fig. 7；
Fig. 9 is the perspective view of locking mechanism of the invention in the locked state；
Figure 10 is the enlarged drawing of the part E of Fig. 9；
Figure 11 is the perspective view of the locking structure of one embodiment of the invention in the locked state, shows lock described in Fig. 9
Determine the reverse side of mechanism；
Figure 12 is the enlarged drawing of the part F of Figure 11；
Figure 13 is the stereogram exploded view of the locking mechanism of Figure 11；
Figure 14 is the perspective view of the first side plate of the locking mechanism of installation diagram 13；
Figure 15 is the folding carton of Fig. 1 from the perspective view in terms of another visual angle；
Figure 16-17 is the enlarged drawing of the part H in Figure 15, and wherein Figure 17 shows another state of Figure 16；
The folding carton of Figure 18 Figure 15 from the perspective view in terms of another visual angle；
Figure 19-20 is the enlarged drawing of the part I in Figure 18, and wherein Figure 20 shows another state of Figure 19；
Figure 21 is the stereogram exploded view of the locking piece of another embodiment of the present invention；
Figure 22 is the perspective view of the first side plate of the locking mechanism of installation diagram 21.
Figure 23 is the stereogram exploded view of the locking structure of another embodiment of the present invention；
Figure 24 is the perspective view of the first side plate of the locking mechanism of installation diagram 23；And
Figure 25-26 is the perspective view that the slave tow sides of the locking mechanism of Figure 23 in the locked state are watched.
Specific embodiment
Presently preferred embodiments of the present invention is described in detail below with reference to attached drawing, it is of the invention to be clearer to understand
Objects, features and advantages.It should be understood that embodiment shown in the drawings does not limit the scope of the present invention, and only it is
Illustrate the connotation of technical solution of the present invention.
Fig. 1 is the perspective view of the folding carton 100 of an embodiment according to the present invention, and wherein local cutting is to show part lock
Determine mechanism, Fig. 2-5 is the enlarged drawing of A, B in Fig. 1, C portion respectively, and wherein Fig. 3 is another state of Fig. 2.As Fig. 1-5 institute
Show, folding carton 100 includes bottom plate 1, a pair of first side plate 2,2 and a pair of second side plate 3,3.Wherein the first side plate 2 and second side
Plate 3 is respectively articulated with to bottom plate 1 and can fold relative to bottom plate 1.Adjacent the first side plate and the second side plate can by locking mechanism 4
Release ground mutually locking.Preferably, the first side plate and the second side plate are double smooth surface side plates.In the present embodiment, the first side plate ratio
Second side plate is short, therefore the first side plate is also referred to as short side plate, and the second side plate is also referred to as long side plate.Long short side plate is preferably by for example
The high-strength materials such as highstrenghtpiston are made.
In the present embodiment, locking mechanism 4 includes handle 41, locking piece 42 and the guidance feature being set on the second side plate 3
31 (such as protrusions 31 that guiding surface is equipped with shown in Figure 16-17), wherein the handle can be installed on the first side up or down
On plate 2.The locking piece 42 is used for adjacent 3 mutually locking of the first side plate 2 and the second side plate.Specifically, when 2 He of the first side plate
When second side plate 3 is in the lock state, handle 41 carries out limit to locking piece 42 prevents it from moving to limit locking piece 42,
And when handle 41 moves up and (in other embodiments, can also move down) preset distance to provide its movement for locking piece 42
Behind required space, locking piece 42 can cooperate with the guidance feature of such as guiding surface, such as move along guiding surface, thus
It drives locking piece 42 to move (retraction) and realizes unlock, be detailed further below.
Fig. 6 is locked out the perspective view for the first side plate that mechanism is mounted thereon, and Fig. 7-8 is the enlarged drawing of the part D of Fig. 6,
Wherein, Fig. 8 is another state of Fig. 7.Fig. 9 is the perspective view of locking mechanism of the invention in the locked state；Figure 10 is Fig. 9
The part E enlarged drawing；Figure 11 is the perspective view of the locking structure of one embodiment of the invention in the locked state, shows Fig. 9
The reverse side of the locking mechanism；Figure 12 is the enlarged drawing of the part F of Figure 11；Figure 13 is the stereo decomposing of the locking mechanism of Figure 11
Figure.
It as described and depicted in figs. 9-13, is hand-held part in the middle part of handle 41, both ends are equipped with butting section 411.Butting section 411 is equipped with handle
First guiding surface 4111.The both ends of handle 41 are additionally provided with handle elastic slice 412, and handle elastic slice 412 is for driving handle 41 moving
It is resetted after dynamic.Be additionally provided with hanging groove 414 at the both ends of handle 41, for the cooperation (as shown in Figure 5) of hook 25 on the first side plate 2
And makes handle 41 be connected to the first side plate 2 and can be slided up and down along the first side plate 2.
With continued reference to Fig. 9-13, one end of locking piece 42 is equipped with lock tongue 422, and the other end is equipped with V-shaped elastic slice 421 (also referred to as
For reset feature, in other embodiments, other shapes are can also be used in reset feature, as long as it can drive locking piece in locking
Rebound), wherein towards lock tongue 422, V-shaped elastic slice 421 is used for and the V on the first side plate for the bottom of V-shaped elastic slice
The cooperation of font elastic slice auxiliary section, when handle moves up, V-shaped elastic slice 421 resets and lock tongue 422 is driven to move back from the second side plate
Out to realize unlock, will be described in detail further below.
Circular arc guide surface is provided on lock tongue 422.The first lock tongue is equipped in the outside (preferably at middle part) of locking piece 42
Elastic slice 423, the first lock tongue elastic slice 423 are equipped with retention bead 424 and triggering protrusion 425.Here, term " outside " refer to
Identical side outside folding carton.The second lock tongue elastic slice 426 is additionally provided on the upside of locking piece 42, and (in another embodiment, second locks
Tongue elastic slice may also set up in the downside of locking piece).Second lock tongue elastic slice 426 is used for when lock tongue is when in release (i.e. lock tongue completely
Stretching state in locking) and the first side plate when being in folded state, the first side plate moves (cabinet exhibition to vertical direction at this time
Open locking), lock tongue will be oriented to along the stopper section of the second side plate, force 426 flexible deformation of the second lock tongue elastic slice, lock tongue direction
First side plate upper limb is swung.When the more too long side plate stopper section of lock tongue, the outside of the second lock tongue elastic slice is limited in the first side always
In the corresponding mounting portion of plate, lock tongue is pushed between the second side plate stopper section and the second side plate interconnecting piece by elastic reset,
So that long side plate is in the lock state.
Locking piece 42 and the identical one end of V-shaped elastic slice 421 be equipped with locking corresponding with the first guiding surface 4111
Guide surface 428 (as shown in Figure 10), when unlocked, locking guide surface 428 can be moved along the first guiding surface 4111.
As illustrated in figures 4-5, extend a mounting wall parallel with the inner wall of the first side plate on the inner wall of the first side plate 2.
Hook 25 is formed on the inner wall of side plate.When assembling, handle 41 is contained between the inner wall and mounting wall of the first side plate and is formed
Space in and link up with 25 with hanging groove 414 cooperate, so that handle can be slided up and down along the first side plate 2.It should be pointed out that
Here hook may also be arranged on handle, and correspondingly, hanging groove is arranged on the first side plate, can also equally realize identical function
Energy.In the present embodiment, handle is arranged to when the space formed between the inner wall and mounting wall that handle 41 is contained in the first side plate
When interior, the lateral surface of handle is located in the lateral surface of the first side plate, i.e., when handle 41 is contained in inner wall and the installation of the first side plate
When in the space formed between wall, the lateral surface of handle is at a distance from the first side wall inner surfaces less than the thickness of the first side plate.
Limit hole 26 and triggering hole 27 (such as shown in FIG. 7 and 8) are additionally provided on first side plate 2.The inner cavity of first side plate 2
Equipped with retaining convex rib 22, retaining convex rib 22 is used as V-shaped elastic slice auxiliary section.Second side plate 3 is equipped with 32 (such as Figure 19-20 of trigger unit
It is shown).Wherein, retention bead 424 and limit hole 26 cooperation being set on locking piece 42 are to enable locking piece 42
It is maintained at unlocked state.Triggering protrusion 425 and the cooperation of trigger unit 32 are so that retention bead 424 can be detached from limit hole 26.
Retaining convex rib 22 and V-shaped elastic slice cooperate, so that V-shaped elastic slice deforms and drives locking piece 42 to reset in unlock when locking.
The protrusion of the second guiding surface 311 is provided on the inner wall of second side plate 3 at the position close to the first side plate
(also referred to as stopper section) 31.Second side plate, 3 left and right sides edge vertically extends interconnecting piece 33.In the locked state, locking piece
42 one end (lock tongue end) is located between protrusion 31 and interconnecting piece 33 and is limited by protrusion 31 and interconnecting piece 33.
The process of the lock and unlock (fold or be unfolded) of folding carton of the invention is as follows: when side plate is unfolded, lock tongue is in
Retracted state, side plate are moved to vertical direction, when the first lock tongue elastic slice on lock tongue sets out trigger unit corresponding to side plate, the
Lock tongue stopper section on one lock tongue elastic slice is detached from the limit hole of short side plate, and handle elastic slice is resetted and moved down at this time, in lock tongue
With handle both ends engaging portion, handle and lock tongue end chamfer are oriented to, and force lock tongue protruding, lock tongue is just in locking shape
State.Wherein, when side plate of the side plate from folded state to vertical direction is closed, lock tongue along side plate stopper section inclined-plane guiding by
On lift (the second lock tongue elastic slice is compressed), after lock tongue crosses stopper section, lock tongue by the second lock tongue elastic slice reset (downwards
Pendulum), lock tongue enters between long side plate stopper section and long side end, and short side plate is just locked into upright state at this time.It is first when unlock
First handle is lifted up, so that the movement for locking piece provides avoiding space, V-shaped elastic slice resets, and locking piece is in V-shaped bullet
It bounces back under the driving of piece, exits long side plate and realize unlock.
Although in above embodiments, lock tongue contains the first lock tongue elastic slice, in a further embodiment, lock tongue can also
Not include the first lock tongue elastic slice.In this case, the process for unlocking and locking is substantially the same as in the previous example, and difference is only
It is that lock tongue is directly limited in solution lock-bit by V-shaped elastic slice in this case.
It is illustrated referring to Figure 21-22 pairs of another embodiment of the present invention.The area of the present embodiment and previous embodiment
It is not, the structure that handle and locking piece have been dispensed in the present embodiment is more simpler than first case, thus may be implemented
The basis of the function of first embodiment, further saves cost.Therefore, the place that the present embodiment is not described in detail, referring to before
The associated description of one embodiment.
Figure 21 is the perspective view of the locking piece 52 of the present embodiment, and as shown in figure 21, one end of locking piece 52 is lock tongue 522,
Be the opposite one end of lock tongue 522 be equipped with V-shaped elastic slice 521 (also referred to as reset feature, in other embodiments, reset feature
Other shapes can be used, as long as it can drive locking piece to spring back in locking), wherein the bottom of V-shaped elastic slice is (i.e.
The bottom end of " V " word shape) backwards to lock tongue 522, V-shaped elastic slice 522 is used for and the V-shaped elastic slice auxiliary section on the first side plate
Cooperation.When locking, force lock tongue to retraction in the middle part of the first side plate by the guidance feature of the second side plate, until lock tongue crosses second
After the guidance feature of side plate, reset feature (V-shaped elastic slice) resets, and lock tongue is in locked state.When needing to unlock, pass through lock tongue
Cooperate with the guidance feature of the second side plate, so that reset feature (V-shaped elastic slice) is surrendered, lock tongue retraction, until lock tongue crosses the
After the guidance feature of two side plates, lock tongue resets.
In the present embodiment, the positioning protrusion 23 set on side plate upper end is rationally utilized, to work as in maloperation in order to prevent
When multiple folding carton stackings, the pit (not shown) of the bottom base plate of a upper folding carton is caught on the side plate of next folding carton
In the protrusion 23 at end, to will not inwardly collapse in effect of the side plate by power from outside to inside.It, will be upper when needing to unlock
The folding carton of side is removed, and the first side plate is inwardly pushed, to be cooperated by the guidance feature of lock tongue and the second side plate, so that resetting
Feature (V-shaped elastic slice) surrender, lock tongue retraction unlock, after the guidance feature that lock tongue crosses the second side plate, lock tongue resets.
Although in the above-described embodiments, reset feature (such as V-shaped elastic slice) is set on locking piece, however, other
In embodiment, reset feature also be can be set on the first side plate.
From Figure 21-22 as can be seen that in the present embodiment, locking mechanism does not include that the structure of handle and locking piece is different
It is often simple, while the mutually locking and unlocking function being also able to achieve between the first side plate and the second side plate.
In fact, inventor is exactly by furtheing investigate collapsible box and on the basis of repeated tests,
This programme is just obtained, compared with prior art, this programme can not only be realized well between the first side plate and the second side plate
Mutually locking and unlock, while locking mechanism structure is simple, locking and unlocking are easy to operate, save the cost.
It is described referring to Figure 23-26 pairs of one more embodiment of the present invention.The area of the present embodiment and first embodiment
It is not, has dispensed V-shaped elastic slice in the present embodiment.
As shown in Figure 23-26, locking piece 52 includes lock tongue 522, is provided with circular arc guide surface on lock tongue 522.In locking piece
52 outside is equipped with the first lock tongue elastic slice 523, and the first lock tongue elastic slice 523 is equipped with retention bead 524 and triggering protrusion 525.?
The second lock tongue elastic slice 526 is additionally provided on the upside of locking piece 52, certain second lock tongue elastic slice may also set up in the downside of locking piece.Second
Lock tongue elastic slice 526 be used for when lock tongue be in completely release (i.e. lock tongue be in locking stretching state) and the first side plate be in fold
When state, the first side plate moves (cabinet expansion locking) to vertical direction at this time, and lock tongue will be along the stopper section of the second side plate
Guiding, forces 526 flexible deformation of the second lock tongue elastic slice, and lock tongue is swung towards the first side plate upper limb.When the more too long side plate of lock tongue stops
Stopper, the outside of the second lock tongue elastic slice is limited in always in the corresponding mounting portion of the first side plate, by the end of handle to lock
Lock tongue is pushed between the second side plate stopper section and the second side plate interconnecting piece by tongue force, so that long side plate is in the lock state.
In the present embodiment, after handle is lifted up, short side plate is folded to pedestal direction, and lock tongue end with side plate by stopping
Stopper inclined-plane guiding, forces lock tongue to bounce back, and completes unlock.
Although in above embodiments, lock tongue contains the first lock tongue elastic slice, in a further embodiment, lock tongue can also
Not include the first lock tongue elastic slice.In this case, the process for unlocking and locking is substantially the same as in the previous example, and difference is only
It is, lock tongue is limited in by solution lock-bit by V-shaped elastic slice in the case of the first embodiment, and the second embodiment the case where
Under then unlock when lock tongue be in free state, lock tongue is fixed on by latched position by handle in lock state.
It, can also on the locking piece in above-mentioned second embodiment (in the embodiment for not including handle) in another implementation
The second lock tongue elastic slice 526 is arranged, so that locking piece be made to be maintained at substantially horizontal arrangement, certainly, the second lock tongue elastic slice 526 can also
The downside of locking piece is arranged in.
The present invention is able to solve the frictional force problems of too during lock and unlock, to extend the use of locking mechanism
Service life.Meanwhile the unlock of side plate is simple and convenient in empty van recycling.
Presently preferred embodiments of the present invention has already been described in detail above, it is understood that having read of the invention above-mentioned say
After awarding content, those skilled in the art can make various modifications or changes to the present invention.Such equivalent forms equally fall within this
Apply for the appended claims limited range.
Claims (8)
1. a kind of folding carton, the folding carton includes bottom plate, a pair of first side plate and a pair of second side plate, first side plate and
Second side plate is hinged to the bottom plate and can fold relative to the bottom plate, and first side plate and second side plate are logical
Cross locking mechanism releasedly mutually locking, which is characterized in that the locking mechanism include handle, guidance feature, locking piece and
Reset feature, wherein the locking piece is set on first side plate and is used for the first adjacent side plate and the second side plate phase
Mutually locking；The guidance feature is set on second side plate and for cooperating with the locking piece；The one of the locking piece
End is equipped with lock tongue, and the reset feature includes the retaining convex rib being set on first side plate and is set to the locking piece
The other end simultaneously deviates from the lock tongue with the opening of the V-shaped elastic slice of retaining convex rib cooperation and the V-shaped elastic slice,
Described in retaining convex rib and the V-shaped elastic slice cooperate so that the V-shaped elastic slice deformation and driving institute in unlock when locking
State locking piece reset；And the handle is slidably mounted on first side plate and cooperates with the locking piece.
2. folding carton according to claim 1, which is characterized in that the handle be arranged to when the handle be installed on it is described
After first side plate, the distance between inner surface of the lateral surface of the handle and first side plate is less than first side plate
Thickness.
3. folding carton according to claim 1, which is characterized in that the locking piece is further provided with the first lock tongue elastic slice,
The first lock tongue elastic slice is set to the outside of the locking piece and is equipped with retention bead and triggering protrusion, and first side plate is set
There are the limit hole for being respectively used to accommodate the retention bead and triggering protrusion and triggering hole, wherein the retention bead and the limit
For the cooperation of position hole to make the locking piece be able to maintain in unlocked state, the triggering protrusion can be by second side plate
It triggers and the retention bead is made to be detached from the limit hole.
4. folding carton according to claim 2, which is characterized in that the locking piece is further provided with the second lock tongue elastic slice,
Wherein the second lock tongue elastic slice is set to the upside or downside of the locking piece, for forcing the lock tongue in the first side plate
It swings, so that long side plate is in the lock state.
5. folding carton according to claim 1, which is characterized in that extend on the inner wall of the first side plate and the first side plate
The parallel mounting wall of inner wall, and one of first side plate and the handle are equipped with hook and another is equipped with hanging groove, institute
State handle be contained in the space formed between the inner wall and the mounting wall of first side plate and the hook with it is described
Hanging groove cooperation, so that the handle can be slided up and down along first side plate.
6. folding carton according to claim 5, which is characterized in that the handle and the locking piece are arranged to when described the
When side plate and second side plate are in the lock state, the both ends of the handle bear against one end of two locking pieces, and
After the handle mobile preset distance, the both ends of the handle are detached from the locking piece.
7. folding carton according to claim 1, which is characterized in that the both ends of the handle be equipped with handle elastic slice, described
Hand elastic slice is for driving the handle to reset after movement.
8. folding carton according to claim 1, which is characterized in that one end opposite with the lock tongue of the locking piece is set
Have a guide surface, the handle is equipped with curved surface with the end of guide surface cooperation, the curved surface and the guide surface cooperate from
And the end of the handle is smoothly slided on the guide surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610341375.3A CN105905394B (en) | 2016-05-19 | 2016-05-19 | Folding carton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610341375.3A CN105905394B (en) | 2016-05-19 | 2016-05-19 | Folding carton |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105905394A CN105905394A (en) | 2016-08-31 |
| CN105905394B true CN105905394B (en) | 2019-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610341375.3A Active CN105905394B (en) | 2016-05-19 | 2016-05-19 | Folding carton |
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| Country | Link |
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| CN (1) | CN105905394B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114455169A (en) | 2017-04-10 | 2022-05-10 | 上海鸿研物流技术有限公司 | Folding box |
| CN108860921B (en) * | 2018-08-08 | 2020-11-20 | 上海鸿研物流技术有限公司 | collapsible container |
| CN109592172B (en) * | 2018-10-24 | 2024-05-31 | 上海鸿研物流技术有限公司 | Folding box |
| CN109764623B (en) * | 2018-12-28 | 2020-12-04 | 海尔智家股份有限公司 | Adjustable shelf and refrigerator using the same |
| CN110254896A (en) * | 2019-07-22 | 2019-09-20 | 常熟市发东塑业有限公司 | Open Turnover Folding Box |
| CN110654675B (en) * | 2019-09-02 | 2025-01-10 | 上海箱箱智能科技有限公司 | Folding Box |
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| CN104163279A (en) * | 2014-07-22 | 2014-11-26 | 上海鸿研物流技术有限公司 | Foldable container and locking mechanism thereof |
| CN104369947A (en) * | 2014-09-05 | 2015-02-25 | 上海鸿研物流技术有限公司 | Locking device and foldable box |
| CN104691892A (en) * | 2015-01-16 | 2015-06-10 | 上海鸿研物流技术有限公司 | Folding box |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3298831B2 (en) * | 1998-02-02 | 2002-07-08 | 株式会社山口紙器工業所 | Assembling type container |
| JP2004051142A (en) * | 2002-07-18 | 2004-02-19 | Endou:Kk | Thermally insulated container |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104163279A (en) * | 2014-07-22 | 2014-11-26 | 上海鸿研物流技术有限公司 | Foldable container and locking mechanism thereof |
| CN104369947A (en) * | 2014-09-05 | 2015-02-25 | 上海鸿研物流技术有限公司 | Locking device and foldable box |
| CN104691892A (en) * | 2015-01-16 | 2015-06-10 | 上海鸿研物流技术有限公司 | Folding box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105905394A (en) | 2016-08-31 |
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