WO2018177150A1 - 锁具及具有其的托盘箱 - Google Patents

锁具及具有其的托盘箱 Download PDF

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Publication number
WO2018177150A1
WO2018177150A1 PCT/CN2018/079471 CN2018079471W WO2018177150A1 WO 2018177150 A1 WO2018177150 A1 WO 2018177150A1 CN 2018079471 W CN2018079471 W CN 2018079471W WO 2018177150 A1 WO2018177150 A1 WO 2018177150A1
Authority
WO
WIPO (PCT)
Prior art keywords
lock
handle
lock according
box
torsion spring
Prior art date
Application number
PCT/CN2018/079471
Other languages
English (en)
French (fr)
Inventor
苏继军
刘春良
倪建生
李波
Original Assignee
大连中集特种物流装备有限公司
中国国际海运集装箱(集团)股份有限公司
中集集团集装箱控股有限公司
大连中集物流装备有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 大连中集特种物流装备有限公司, 中国国际海运集装箱(集团)股份有限公司, 中集集团集装箱控股有限公司, 大连中集物流装备有限公司 filed Critical 大连中集特种物流装备有限公司
Priority to US16/493,436 priority Critical patent/US11548684B2/en
Priority to EP18777250.4A priority patent/EP3566967B1/en
Priority to JP2019569532A priority patent/JP6859458B2/ja
Priority to KR1020197025319A priority patent/KR102254464B1/ko
Priority to SG11201906892PA priority patent/SG11201906892PA/en
Publication of WO2018177150A1 publication Critical patent/WO2018177150A1/zh
Priority to US16/551,678 priority patent/US11577884B2/en

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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
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/38—Details or accessories
    • 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
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/02—Rigid pallets with side walls, e.g. box pallets
    • B65D19/06—Rigid pallets with side walls, e.g. box pallets with bodies formed by uniting or interconnecting two or more components
    • 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
    • B65D19/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D19/02—Rigid pallets with side walls, e.g. box pallets
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B1/00—Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
    • E05B1/0092—Moving otherwise than only rectilinearly or only rotatively
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E05C3/004—Fastening devices with bolts moving pivotally or rotatively about an axis perpendicular to the surface on which the fastener is mounted
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E05C3/02—Fastening devices with bolts moving pivotally or rotatively without latching action
    • E05C3/04—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt
    • E05C3/041—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt rotating about an axis perpendicular to the surface on which the fastener is mounted
    • E05C3/045—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt rotating about an axis perpendicular to the surface on which the fastener is mounted in the form of a hook
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E05C3/02—Fastening devices with bolts moving pivotally or rotatively without latching action
    • E05C3/04—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt
    • E05C3/047—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member rigid with the bolt rotating about an axis parallel to the surface on which the fastener is mounted
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E05C3/02—Fastening devices with bolts moving pivotally or rotatively without latching action
    • E05C3/06—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member moving otherwise than rigidly with the bolt
    • E05C3/08—Fastening devices with bolts moving pivotally or rotatively without latching action with operating handle or equivalent member moving otherwise than rigidly with the bolt the handle or member moving essentially towards or away from the plane of the wing or frame
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00552—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer
    • B65D2519/00572—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer with separate auxiliary element, e.g. screws, nails, bayonets
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00577—Connections structures connecting side walls, including corner posts, to each other
    • B65D2519/00582—Connections structures connecting side walls, including corner posts, to each other structures intended to be disassembled, i.e. collapsible or dismountable
    • B65D2519/00611—Connections structures connecting side walls, including corner posts, to each other structures intended to be disassembled, i.e. collapsible or dismountable side walls maintained connected to each other by means of auxiliary locking elements, e.g. spring loaded locking pins
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00636—Connections structures connecting side walls to the pallet
    • B65D2519/00641—Structures intended to be disassembled
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00636—Connections structures connecting side walls to the pallet
    • B65D2519/00641—Structures intended to be disassembled
    • B65D2519/00646—Structures intended to be disassembled by means of hinges
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00547—Connections
    • B65D2519/00636—Connections structures connecting side walls to the pallet
    • B65D2519/00641—Structures intended to be disassembled
    • B65D2519/00661—Structures intended to be disassembled side walls maintained connected to pallet by means of auxiliary locking elements, e.g. spring loaded locking pins
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00736—Details
    • B65D2519/00865—Collapsible, i.e. at least two constitutive elements remaining hingedly connected
    • B65D2519/00875—Collapsible, i.e. at least two constitutive elements remaining hingedly connected collapsible side walls
    • 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
    • B65D2519/00—Pallets or like platforms, with or without side walls, for supporting loads to be lifted or lowered
    • B65D2519/00004—Details relating to pallets
    • B65D2519/00736—Details
    • B65D2519/00865—Collapsible, i.e. at least two constitutive elements remaining hingedly connected
    • B65D2519/00875—Collapsible, i.e. at least two constitutive elements remaining hingedly connected collapsible side walls
    • B65D2519/009—Collapsible, i.e. at least two constitutive elements remaining hingedly connected collapsible side walls 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
    • B65D2555/00—Accessories for container closures not otherwise provided for
    • B65D2555/02—Locking devices; Means for discouraging or indicating unauthorised opening or removal of closure

Definitions

  • the present invention generally relates to the technical field of container transportation, and more particularly to a lock and a tray box having the same.
  • the end and side walls of the pallet box are usually provided in a detachable or foldable form.
  • the end walls of the pallet box need to be provided with locks connected to the adjacent side wall columns to lock the adjacent end walls and side walls to maintain a relatively fixed state when loading the cargo.
  • Fig. 1 it is a conventional pallet lock.
  • the stopper 113' is first moved upward to be completely disengaged from the lock hook 111', and the operator rotates the handle 112' downward to disengage the lock hook 111' from the side wall column 21', at this time, the end wall and the side The wall is not constrained by the attachment and can be removed or folded.
  • the use of such a lock has limitations because it requires a single hand to hold the handle 112', thus requiring the operating space (the vertical distance between the outer surface of the end wall 10' and the inside of the handle 112').
  • the lock Since the lock is to be located within a vertical distance (ie, the thickness of the end wall) between the outer surface of the end wall panel 10' and the outer surface of the end wall pillar 11', that is, the lock cannot exceed the outer surface of the end wall pillar 11', and the handle 112'
  • the distance between the inner surface of the inner side to the end wall 10' must ensure that the finger can be normally inserted to hold the handle 112', so when the thickness of the end wall is small, the outer surface of the end wall 10' and the inner side of the handle 112'
  • the vertical distance is small and there is no guarantee that the lock will no longer be suitable for such a pallet box when the finger is normally inserted.
  • the lock device also needs to have a separately arranged stopper 113', which has a complicated structure, requires two-hand operation during operation, moves the stopper 113' with one hand, and rotates the handle 112' with the other hand, which is inconvenient to operate.
  • the thickness of the end and the side wall of the tray box are designed to be as small as possible. This prior art lock is not suitable.
  • the present invention provides a lock for a tray box, and a position corresponding to the lock on the tray box is provided with a lock hole, and the lock includes:
  • a lock lever a first end of the lock bar is provided with a hook head that cooperates with the lock hole to achieve locking, the lock bar is provided with a connecting portion, and the lock bar is rotatably connected through the connecting portion To the case of the tray box, and as the lock bar rotates about the connection portion in a plane parallel to the outer surface of the case, the hook head extends into the lock hole or from the Locking the keyhole to achieve locking or unlocking of the lock;
  • the handle including a connecting end, the handle being rotatably coupled to the second end of the lock bar opposite the first end by the connecting end, and with the handle surrounding the connecting end Rotating, the position of the handle varies between an outer surface adjacent the adjacent casing and an outer surface remote from the adjacent casing.
  • a lock base is further included, the lock seat is fixedly coupled to the case, and the lock bar is rotatably coupled to the lock seat through the connection portion.
  • the lock seat is provided with a reinforcing plate, and the lock bar is rotatably connected to the reinforcing plate through the connecting portion.
  • a support portion is further included to support the handle by the support portion when the lock is in an unlocked state.
  • a limiting portion is further included, so that the handle is fixed by the limiting portion when the locking device is in a locked state.
  • the second end of the lock bar is provided with a U-shaped slot, the opening of the U-shaped slot faces away from the tray box, and the connecting end of the handle is inserted into the U-shaped slot and A connecting shaft is connected through the two side walls of the U-shaped groove, and the handle is rotatable about the connecting shaft.
  • an end of the U-shaped groove remote from the handle is closed to increase strength.
  • a side of the end of the connecting end facing the bottom wall of the U-shaped groove is provided with a first inclined surface to avoid the connecting end and the bottom wall of the U-shaped groove when the handle rotates put one's oar in.
  • a torsion spring is further provided, the torsion spring has a first force receiving end and a second force receiving end, the torsion spring is set on the connecting shaft, and the first force receiving end abuts against the U a bottom wall of the groove, the second force receiving end abutting the handle such that the handle abuts against the box under the elastic force of the torsion spring.
  • the connecting end of the handle is provided with a groove, the connecting shaft passes through the groove, and the torsion spring is disposed in the groove.
  • the handle is provided with a limit groove at a position corresponding to the second force receiving end of the torsion spring to limit the torsion spring.
  • the connecting end of the handle is provided with a U-shaped opening
  • the second end of the locking bar is inserted into the U-shaped opening and passes through two side walls of the U-shaped opening using a connecting shaft Connected, the handle is rotatable about the connecting shaft.
  • a thickness of a portion of the handle remote from the connecting end is smaller than a thickness of the connecting end such that a distance of a portion of the handle remote from the connecting end and an outer surface of the case is maintained at a sufficient distance.
  • the first end of the lock bar is provided with a stopping portion, and the extending direction of the stopping portion is opposite to the extending direction of the hook head, wherein when the lock is in the locked state, the The end of the stop abuts or abuts against the side wall of the keyhole.
  • the end of the stop is provided with a chamfer to prevent the stop from interfering with the sidewall of the lock hole.
  • the handle when the handle is parallel to the hook head, the handle extends in a direction opposite to the hook head.
  • a pallet box wherein the pallet box comprises any of the locks as described above.
  • the lock according to the present invention has a simple structure, is easy to manufacture and manufacture, has low cost, and is flexible and labor-saving, and can adapt to the case where the end wall of the tray box and the thickness of the side wall are small.
  • Figure 1 is a schematic view of a conventional pallet lock
  • FIG. 2 is a schematic view showing the assembly of a lock according to a preferred embodiment of the present invention.
  • Figure 3 is a schematic view of the lock lever of the lock shown in Figure 2;
  • Figure 4 is a schematic view of the handle of the lock shown in Figure 2;
  • Figure 5 is a schematic view of the torsion spring of the lock shown in Figure 2;
  • Figure 6 is a top plan view of the lock of Figure 2, wherein the handle is parallel to the plane in which the lock bar and the hook head are located;
  • Figure 7 is a top plan view of the lock of Figure 2, wherein the handle has a maximum angle with the plane in which the lock bar and the hook head are located;
  • Figure 8 is a schematic view of the lock shown in Figure 2 mounted to the pallet box, wherein the lock is in an open state;
  • Figure 9 is a schematic view of the lock shown in Figure 2 mounted to the pallet box, wherein the lock is in a locked state;
  • Figure 10 is a schematic view of a long through hole of an end wall column
  • Figure 11 is a schematic view of a keyhole of a side wall column
  • Figure 12 is a schematic view of a projection
  • Figure 13 is a schematic view of a lock according to a second embodiment of the present invention.
  • Figure 14 is a schematic view of the lock shown in Figure 13 mounted to the pallet box, wherein the lock is in a locked state;
  • Figure 15 is a schematic view of a lock according to a third embodiment of the present invention mounted to a pallet box, wherein the lock is in a locked state;
  • Figure 16 is a schematic view showing the open state of the lock attached to the pallet box shown in Figure 15;
  • Figure 17 is a schematic view of a preferred embodiment of a lock seat of a lock according to the present invention, wherein the lock seat, the support portion, the first limit portion and the second limit portion are integrally formed;
  • Figure 18 is a schematic view of the lock seat shown in Figure 17 mounted to the pallet box.
  • the invention discloses a pallet box lock for connecting the end wall and the side wall of the tray box, and is particularly suitable for the end wall structure with a small distance between the outer surface of the end wall panel and the outer surface of the end wall pillar.
  • the lock 100 mainly includes a lock lever 120 and a handle 110.
  • One end of the lock bar 120 is provided with a hook head 121.
  • the hook head 121 is perpendicular to the lock bar 120 and extends outward from the lock bar 120.
  • a lock hole is disposed on the tray box at a corresponding position with the lock device 100, and the lock 100 passes the hook. The cooperation of the head 121 and the keyhole enables locking of the pallet box.
  • the middle of the lock bar 120 is provided with a shaft hole 122, and the plane of the shaft hole 122 is parallel to the plane in which the lock bar 120 and the hook head 121 are located. As shown in FIG.
  • the lock lever 120 can be mounted to the outer surface of the tray box through the shaft hole 122, such as the positioning shaft 140, such that the lock lever 120 can be rotated about the positioning shaft 140, and with the rotation of the lock lever 120.
  • the hook head 121 is extended into or out of the lock hole.
  • the positioning shaft 140 can be detachably connected by a threaded connection or a pin, etc., in order to ensure the strength of the connection, so that the maintenance and replacement of the lock 100 can be facilitated.
  • the shaft hole 122 may also be directly disposed in the form of a shaft integrally formed with the lock lever 120 and perpendicular to the plane of the lock lever 120 and the hook head 121, that is, as long as the lock lever 120 can be connected to the tray box.
  • the connecting portion is rotatable in a plane parallel to the outer surface of the tray box.
  • the specific structure of the lock rod 120 connected to the tray box is not limited.
  • a handle mounting portion 123 is provided on the second end of the lock lever 120 opposite to the hook head 121.
  • the handle 110 is mounted to the lock lever 120 through the handle mounting portion 123 and is rotatable about the handle mounting portion 123, so that when the lock 100 is mounted to the tray box, the handle 110 and the tray box are rotated as the handle 110 is rotated about the handle mounting portion 123.
  • the angle between the outer surfaces varies within a predetermined range.
  • the handle mounting portion 123 is a U-shaped groove. As shown in Fig. 8, the U-shaped groove is arranged such that when the lock 100 is mounted to the tray box, the opening of the U-shaped groove faces away from the tray box.
  • Symmetrical through holes 124 are formed in the two side walls of the U-shaped groove.
  • the mounting end 111 of the handle 110 is also provided with a mounting hole 115 at a corresponding position.
  • the connecting end 111 of the handle 110 is inserted from the opening of the U-shaped groove, and the handle 110 is coupled to the lock lever 120 by the cooperation of the connecting shaft 127 with the through hole 124 and the mounting hole 115.
  • the handle 110 can be rotated about the connecting shaft 127.
  • the connecting shaft 127 can be in a detachable form such as a threaded connection or a pin to facilitate maintenance of the lock 100 and replacement of components.
  • the handle 110 when the handle 110 is parallel to the hook head 121, the handle 110 and the hook head 121 extend in opposite directions to facilitate the operation of the lock 100. Further preferably, the end of the U-shaped groove away from the handle 110 is provided with a closing surface 126, which can increase the strength of the handle mounting portion 123.
  • the handle 110 is substantially elongated and has a connecting end 111 and an operating end 117.
  • the thickness of the operating end 117 is smaller than the thickness of the connecting end 111, so that when the handle 110 is close to the tray box, the inner side of the operating end 117 has a certain operating space with the outer surface of the tray box, so that the finger can be extended into it.
  • the handle 110 may also be provided in an arc shape having a predetermined arc in the longitudinal direction, and the arc protrudes away from the direction of the tray box, or other structure capable of ensuring that the inside of the handle 110 has sufficient operation space from the outer surface of the tray box. .
  • a groove portion 112 penetrating in the thickness direction of the handle 110 is disposed, wherein the mounting hole 115 is located on two side walls of the groove portion 112 along the length direction of the handle 110, that is, when When the handle 110 is mounted to the lock lever 120, the connecting shaft 127 passes through the groove portion 112.
  • the torsion spring 130 is preferably placed on the connecting shaft 127, and the torsion spring 130 is located in the groove portion 112. As shown in FIG. 5, the torsion spring 130 has a first force receiving end 131 and a second force receiving end 132.
  • the first force receiving end 131 of the torsion spring 130 abuts against the side wall 125 of the handle mounting portion 123 toward the side of the handle 110, and the second force receiving end 132 abuts against the side of the handle 110 away from the bottom wall 125.
  • the effect of the torsion spring 130 exerting a force on the handle 110 causes the handle 110 to have a tendency to abut against the outer surface of the tray box, preventing the handle 110 from freely rotating about the connecting shaft 127 to protrude beyond the tray box.
  • the outermost surface causes collision or damage or the lock in the pallet box is accidentally opened by bumps.
  • the limiting slot 113 is disposed, and the second force receiving end 132 is located in the limiting slot 113, so that the position of the torsion spring 130 can be kept fixed and prevented from being twisted.
  • the spring 130 is tilted up and down in the axial direction of the connecting shaft 127.
  • a relief groove 114 is provided at a position of the handle 110 facing the bottom wall 125 corresponding to the first force receiving end 131 of the torsion spring 130, such that when the handle 110 is rotated about the connecting shaft 127, the first The force end 131 enters the space of the escape groove 114, and prevents the connection end 111 from interfering with the first force receiving end 131 to affect the rotation of the handle 110.
  • the mounting hole 115 necessarily has a certain distance from the end of the connecting end 111.
  • the end of the connecting end 111 The portion will interfere with the bottom wall 125 of the handle mounting portion 123. Thereby affecting the rotation of the handle 110. Therefore, a first inclined surface 116 is provided at the end of the connecting end 111 toward the side of the bottom wall 125. As shown in FIG. 6, the angle between the first inclined surface 116 and the bottom wall 125 is F.
  • the presence of the first ramp 116 allows the handle 110 to be rotated about the connecting shaft 127 by a maximum angle of about F, as shown in FIG.
  • the lock 100 is attached to the end wall panel 10 of the tray box by the lock seat 150 at a position close to the end wall pillar 11.
  • a reinforcing plate 190 is further provided at the mounting position of the lock 100 on the lock base 150 for increasing the strength.
  • a long through hole 12 penetrating the end wall column 11 is provided on the end wall column 11 at a position corresponding to the hook head 121 of the lock 100, as shown in FIG. 11, at the end wall of the side wall column 21.
  • a lock hole 22 is provided at a position on the side wall of the column 11 corresponding to the long through hole 12.
  • the operating handle 110 rotates the lock lever 120 about the positioning shaft 140, and the hook head 121 moves toward the end wall upright 11 and passes through the long through hole 12 into the lock hole 22, and continues to rotate, so that the hook head 121 is attached.
  • the surface 128 hooks the side wall of the side wall column 21 toward the end wall column 11 to prevent the side wall of the tray box from moving outward in the horizontal direction, as shown in Fig. 9, thus achieving the locking of the lock 100.
  • the operating handle 110 is then rotated about the connecting shaft 127 to abut against the outer surface of the end wall panel 10.
  • a stopper portion 129 is provided at one end of the lock lever 120 where the hook head 121 is provided.
  • the stopping portion 129 is opposite to the extending direction of the hook head 121, and the length and position of the stopping portion 129 are preset such that when the lock 100 is locked, the lower end of the stopping portion 129 abuts or approaches the lower side wall of the locking hole 22.
  • the length of the locking hole 22 is set in advance such that the side of the locking bar 120 connected to the hook head 121 abuts against the upper side wall of the locking hole 22, that is, the end of the stopping portion 129 is away from the locking head 120 and the hook head.
  • the distance A of the side of the connecting portion 121 is equal to or slightly smaller than the length B of the locking hole 22, so that the movement of the side wall in the up and down direction can be prevented, so that the locking is more firm.
  • a chamfer is formed at the end of the stopper portion 129 to intersect the lower side of the stopper portion 129, so that the between the stopper portion 129 and the lower side wall of the lock hole 22 during the locking and loosening movement can be avoided. Interference.
  • the first limiting portion 151 and the second limiting portion 152 are disposed on the lock base 150 at a position corresponding to the handle 110 when the lock 100 is locked, and the first limiting portion 151 and the second limiting portion 152 are opposite.
  • the handle 110 is fixed to keep the lock 100 in a locked state, and the handle 110 is kept in a state of abutting against the end wall panel 10, and the handle 110 is prevented from rotating around the connecting shaft 127 to protrude from the outer surface of the end wall panel 10 to cause unlocking or collision. damage.
  • the first limiting portion 151 and the second limiting portion 152 may be fixedly connected to the lock base 150 by means of welding or the like, or may be integrally formed with the lock base 150.
  • a hemispherical protruding portion 153 as shown in FIG. 12 may be disposed, and the distance between the vertex of the protruding portion 153 and the opposite surface of the second limiting portion 152 is slightly smaller than the handle 110. The width at the position corresponding to the protrusion 153.
  • the handle 110 when the lock 100 is locked, the handle 110 is defined between the protrusion 153 and the outer surface of the end wall panel 10, and since the apex of the protrusion 153 is slightly smaller than the handle from the opposite side of the second limit portion 152, the handle is slightly smaller than the handle
  • the width of the position corresponding to the protrusion 153 on the 110 is maintained, and the handle 110 is kept in a state of being restrained and cannot be freely detached.
  • a first guiding surface 118 and a second guiding surface 119 are provided, specifically a curved surface or a sloped surface, such that the first guiding surface 118 is passed through the first guiding surface 118.
  • the cooperation of the second guiding surface 119 and the protruding portion 153 can conveniently limit and release the handle 110.
  • the support portion 154 is disposed on the lock base 150 to support the handle 110 in the unlocked state to prevent the lock 100 from automatically rotating and locking under the driving of the handle 110.
  • the support portion 154 may be fixedly connected to the lock seat 150 by means of welding or the like, or may be integrally formed with the lock base 150.
  • the position of the support portion 154 may correspond to the positions of the first guide surface 118 and the second guide surface 119.
  • the lock seat 150' is integrally formed with the support portion 154', the first limiting portion 151' and the second limiting portion 152', and the support portion 154' has a protrusion protruding from the lock seat.
  • the surface of 150' extends to the lengthwise structure at the second stop 152'.
  • the operator may mistake the handle 110 in the neutral space between the second limiting portion 152 and the supporting portion 154 during the opening of the lock 100, so that the lock is locked.
  • the hook head 121 When the 100 is not fully opened, the hook head 121 cannot be completely retracted into the inner space of the end wall column 11, and at this time, the tray box is folded, the front end of the hook head 121 may scratch the side wall, and the tray cannot be completed.
  • the folding of the box According to the embodiment, the operator needs to completely raise the handle 110 to the support portion 154' to place the handle 110 near the outer surface of the tray box. Otherwise, the handle 110 may be away from the tray box due to the action of the support portion 154'.
  • the state of the support of the surface acts as a warning reminder so that the incomplete opening of the lock 100 can be avoided.
  • the lock seat is integrally formed with the support portion, the first limiting portion and the second limiting portion. Such a structure is simple in construction, low in cost, good in strength, and beautiful in appearance, and is a preferred embodiment.
  • the purpose of setting the lock seat and the reinforcing plate is to increase the strength of the pallet box and prevent the lock box from being damaged when the lock is tightened.
  • the reinforcing plate can be installed directly to the outer surface of the pallet box without providing a reinforcing plate or even without a lock seat.
  • the limiting portion and the supporting portion may be coupled to the outer surface of the tray box.
  • the locking process is as follows:
  • the lock 100 is in an open state.
  • the operator pushes the finger into the inner side of the handle 110, pushes the handle 110 upward, rotates the lock 100 about the positioning shaft 140, causes the handle to exceed the top edge of the support portion 154, and then lifts the handle toward the outside of the box.
  • the handle 110 is overcome against the action of the second force receiving end 132 of the torsion spring 130 against the handle 110, and is rotated about the connecting shaft 127 to a maximum angle F (the front end surface of the connecting end 111 of the handle 110 and the first inclined surface 116 at this time)
  • the intersecting ridges are in contact with the U-shaped groove bottom wall 125 of the handle mounting portion 123, as shown in FIG.
  • the handle 110 is rotated downward to rotate the lock lever 120 about the positioning shaft 140.
  • the hook head 121 first passes through the long through hole 12 in the end wall column 11, and then passes through the side wall column 21 toward the end wall column 11.
  • the locking hole 22 on the side wall, the upper surface 128 of the hook head 121 is hooked on the inner side of the side wall of the locking hole 22, the lower end of the stopping portion 129 abuts or approaches the lower side wall of the locking hole 22, and the hook of the locking rod 120
  • the side of the connecting portion abuts against the upper side wall of the locking hole 22 (so that the locking force point of the hook head 121 is as close as possible to the axial center plane of the positioning shaft 140, so that the locking force of the hook head 121 can be reduced to the positioning shaft 140.
  • the generated torque thereby reducing the pressure of the handle of the handle portion 110 that is resisted by the second limit portion 152 against the torque, can increase the locking force of the lock.
  • the handle 110 faces the area between the first limiting portion 151 and the second limiting portion 152.
  • the handle 110 is pushed in the direction of the end wall panel 10.
  • the second guiding surface 119 of the handle 110 is in contact with the protruding portion 153, and the other side of the handle 110 is in contact with the vertical edge of the second limiting portion 152, and the handle 110 is pushed hard.
  • the protrusion 153 is positioned outside the first guiding surface 118 over the second guiding surface 119 to block the first guiding surface 118 to fix the handle 110.
  • the inner side of the handle 110 is attached to the end wall panel 10.
  • the protrusion 153 ensures that the handle 110 does not freely rotate outside the box, and the torsion spring 130 further causes the handle 110 to abut the end wall panel 10, preventing the handle 110 from moving toward the box.
  • the outer rotation can prevent the handle 110 from protruding outside the box; the first limiting portion 151 and the second limiting portion 152 can also ensure that the handle 110 does not swing left and right. This completes the locking of the end wall and side walls of the pallet 100 by the lock 100.
  • the opening process of the lock 100 shown in the present invention is as follows:
  • the lock 100 is in a locked state.
  • the operator lifts the handle 110 with a finger, preferably leaving a gap between the first guiding surface 118 and the protruding portion 153, so that the finger can extend between the handle 110 and the end wall panel 10 to facilitate the force.
  • the power of the spring 130 The handle 110 is continuously lifted toward the outside of the box.
  • the first guiding surface 118 is in contact with the protruding portion 153, and at the same time, the force of the torsion spring 130 and the resistance of the protruding portion 153 are overcome, and the handle is raised to the maximum angle F, and the protruding portion 153 is disengaged.
  • a second limiting portion 152 is provided to the handle 110 with a finger, preferably leaving a gap between the first guiding surface 118 and the protruding portion 153, so that the finger can extend between the handle 110 and the end wall panel 10 to facilitate the force.
  • the power of the spring 130 The handle 110 is continuously lifted toward the outside of the box.
  • the handle 110 is rotated upwardly, and the lock lever 120 is rotated around the positioning shaft 140.
  • the foremost section of the hook head 121 is disengaged from the side wall column 21 and retracted into the inner space of the end wall column 11, and the end wall is completely separated from the side wall.
  • the handle 110 is hung on the support portion 154 to ensure that the handle 110 does not rotate downward around the positioning shaft 140 by gravity, so that the lock bar 120 protrudes from the end wall column 11, thereby affecting the folding and assembly of the end wall, or Also lock the end and side walls.
  • This lock is unlocked. Once unlocked, the pallet box can be folded or removed.
  • the lock 200 is substantially identical in structure to the lock 100 except that the connecting end 211 of the handle 210 is not provided with a recessed portion such as the handle 110, and no torsion spring is attached.
  • the handle 210 does not need to overcome the force of the torsion spring during the lifting process; when the lock 200 is in the locked state, the torsion spring does not give the force of the handle 210, and only the first limiting portion 251 and the second limiting portion 252
  • the function of limiting the fixing of the handle 210 to the outside of the box is fixed.
  • the lock 200 according to the second embodiment is identical in operation to the lock 100 according to the first embodiment, and will not be described herein.
  • FIGS. 15 and 16 A lock 300 according to a third embodiment of the present invention is shown in FIGS. 15 and 16.
  • the lock 300 is different from the lock 100 and the lock 200 in that the handle mounting portion 323 of the lock lever 320 is T-shaped, the T-shaped vertical wall is equivalent to the two side walls of the U-shaped groove, and the connection end 311 of the handle 310 is provided with a U.
  • the shaped opening, the T-shaped vertical wall is inserted into the U-shaped opening of the handle 310 and connected by a connecting shaft 327.
  • the hook head 321 When the lock 300 is in the locked state, the hook head 321 is downward, the hook head 321 is perpendicular to the handle 310, and the handle 310 is fixed by the first limiting portion 351 and the second limiting portion 352.
  • the handle 310 When the lock 300 is in the open state, the handle 310 is first raised by about F angle to disengage from the constraints of the first limiting portion 351 and the second limiting portion 352, and the handle 310 is rotated downward, and the locking rod 320 is rotated around the positioning shaft 340 to The hook head 321 retreats into the end wall upright 31, at which time the handle 310 naturally hangs under its own weight, substantially parallel to the end wall upright 31.
  • the lock according to the third embodiment has a simple structure, the support portion is omitted, and the operation is relatively labor-saving.
  • the handle fixing reliability is not as good as the first and second embodiments.
  • the handle fixing reliability is not as good as the second embodiment.
  • a pallet box comprising any of the locks described above.
  • the pallet box lock according to the present invention has a simple structure, is easy to manufacture and manufacture, has low cost, and is flexible and labor-saving, and can adapt to the case where the end wall of the tray box and the thickness of the side wall are small.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pallets (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Abstract

一种锁具（100）及具有其的托盘箱，托盘箱上设置有锁孔，锁具包括锁杆（120）和手柄（110）。锁杆（120）的第一端设置有与锁孔配合以实现锁紧的钩头（121），锁杆上设置有连接部，锁杆通过连接部可转动地连接至托盘箱的箱体，并且随着锁杆绕连接部在平行于箱体的外表面的平面内转动，钩头伸入锁孔或从锁孔退出，实现锁具的锁紧或解锁；手柄（110）包括连接端（111），手柄通过连接端可转动地连接至锁杆的与第一端相对的第二端，并且随着手柄绕连接端转动，手柄的位置在靠近相邻箱体的外表面和远离相邻箱体的外表面之间变化。该锁具结构简单，加工制造容易，成本低，并且操作灵活、省力，能够适应托盘箱的端壁、侧壁厚度较小的情况。

Description

锁具及具有其的托盘箱 技术领域
本发明总地涉及集装箱运输的技术领域，更具体地涉及一种锁具及具有其的托盘箱。
背景技术
为了便于装卸货物和空箱叠放运输，托盘箱的端、侧壁通常设置为可拆卸或可折叠的形式。托盘箱的端壁上就需要设置与相邻的侧壁立柱连接的锁具对相邻的端壁和侧壁进行锁紧，使其在装载货物时保持相对固定状态。
如图1所示，为现有的一种托盘箱锁具。此锁具打开时，首先将止挡件113′向上移动使其完全脱离锁钩111′，操作人员向下转动手柄112′，使锁钩111′脱离侧壁立柱21′，此时端壁和侧壁没有连接锁具的约束，可以进行拆卸或折叠。目前这种锁具的使用具有局限性，因为转动手柄112′的过程中需要单手握住，这样就对操作空间(端壁板10′外表面与手柄112′内侧之间的垂直距离)有要求，由于锁具要位于端壁板10′外表面与端壁立柱11′外表面之间的垂直距离(即端壁的厚度)内，即锁具不能超出端壁立柱11′外表面，且手柄112′内侧到端壁板10′外表面之间的距离必须保证手指能够正常插入以握住手柄112′，所以，当端壁厚度较小时，端壁板10′外表面与手柄112′内侧之间的垂直距离小，不能保证手指正常插入时，此锁具就不再适用于这样的托盘箱。另外，这种锁具还需要有单独设置的止挡件113′，结构复杂，操作时需要双手操作，一手移动止挡件113′，另一手转动手柄112′，操作不方便。
为了增大托盘箱的容积和减小托盘箱折叠后的高度，从而提高托盘箱的装载量和空箱运输量，减小物流运输成本，目前托盘箱的端、侧壁厚度都设计的尽量小，此种现有技术的锁具不适用。
因此，需要提供一种锁具及具有其的托盘箱，以至少部分地解决上述问题。
发明内容
为至少部分地解决上述问题，本发明提供一种锁具，用于托盘箱，所述托盘箱上与所述锁具对应的位置设置有锁孔，锁具包括：
锁杆，所述锁杆的第一端设置有与所述锁孔配合以实现锁紧的钩头，所述锁杆上设置有连接部，所述锁杆通过所述连接部可转动地连接至所述托盘箱的箱体，并且随着所述锁杆绕所述连接部在平行于所述箱体的外表面的平面内转动，所述钩头伸入所述锁孔或从所述锁孔退出，实现所述锁具的锁紧或解锁；以及
手柄，所述手柄包括连接端，所述手柄通过所述连接端可转动地连接至所述锁杆的与所述第一端相对的第二端，并且随着所述手柄绕所述连接端转动，所述手柄的位置在靠近相邻所述箱体的外表面和远离相邻所述箱体的外表面之间变化。
可选地，还包括锁座，所述锁座固定连接至所述箱体，所述锁杆通过所述连接部可转动地连接至所述锁座。
可选地，所述锁座设置有加强板，所述锁杆通过所述连接部可转动地连接至所述加强板。
可选地，还包括支撑部，以使得所述锁具处于解锁状态时，所述手柄被所述支撑部支撑。
可选地，还包括限位部，以使得所述锁具处于锁紧状态时，所述手柄被所述限位部固定。
可选地，所述锁杆的所述第二端设置U形槽，所述U形槽的开口朝向远离所述托盘箱的方向，所述手柄的所述连接端插入所述U形槽并使用连接轴穿过所述U形槽的两个侧壁连接，所述手柄可绕所述连接轴转动。
可选地，所述U形槽的远离所述手柄的一端封闭设置以增加强度。
可选地，所述连接端的端部的朝向所述U形槽的底壁的一侧设置有第一斜面，以避免在所述手柄转动时所述连接端与所述U形槽的底壁干涉。
可选地，还包括扭簧，所述扭簧具有第一受力端和第二受力端，所述扭簧套装在所述连接轴上，所述第一受力端抵靠所述U形槽的底壁，所述第二受力端抵靠所述手柄，以使得所述手柄在所述扭簧的弹性力作用下抵靠所述箱体。
可选地，所述手柄的所述连接端设置有凹槽，所述连接轴穿过所述凹槽，所述扭簧设置于所述凹槽内。
可选地，所述手柄在与所述扭簧的所述第二受力端对应的位置设置有限位槽以对所述扭簧进行限位。
可选地，所述手柄的所述连接端设置有U形开口，所述锁杆的所述第二端插入所述U形开口并使用连接轴穿过所述U形开口的两个侧壁连接，所述手柄可绕所述连接轴转动。
可选地，所述手柄的远离所述连接端的部分的厚度小于所述连接端的厚度，以使得所述手柄的远离所述连接端的部分与所述箱体的外表面之间保持足够的距离。
可选地，所述锁杆的第一端设置有止动部，所述止动部的延伸方向与所述钩头的延伸方向相反，其中，当所述锁具处于锁紧状态时，所述止动部的末端靠近或抵靠所述锁孔的侧壁。
可选地，所述止动部的末端设置有倒角以避免所述止动部与所述锁孔的侧壁干涉。
可选地，当所述手柄与所述钩头平行时，所述手柄与所述钩头的延伸方向相反。
根据本发明的另一方面，提供一种托盘箱，其中，所述托盘箱包括如上所述的任一种锁具。
根据本发明的锁具，结构简单，加工制造容易，成本低，并且操作灵活、省力，能够适应托盘箱的端壁、侧壁厚度较小的情况。
附图说明
下列附图在此作为本发明的一部分用于理解本发明。附图中：
图1为现有的一种托盘箱锁具的示意图；
图2为根据本发明的一种优选实施方式的锁具的装配示意图；
图3为图2所示锁具的锁杆示意图；
图4为图2所示锁具的手柄示意图；
图5为图2所示锁具的扭簧示意图；
图6为图2所示锁具的俯视图，其中手柄与锁杆和钩头所在的平面平行；
图7为图2所示锁具的俯视图，其中手柄与锁杆和钩头所在的平面具有最大夹角；
图8为图2所示的锁具安装至托盘箱的示意图，其中锁具处于打开状 态；
图9为图2所示的锁具安装至托盘箱的示意图，其中锁具处于锁紧状态；
图10为端壁立柱的长通孔的示意图；
图11为侧壁立柱的锁孔的示意图；
图12为突出部的示意图；
图13为根据本发明的第二实施方式的锁具的示意图；
图14为图13所示的锁具安装至托盘箱的示意图，其中锁具处于锁紧状态；
图15为根据本发明的第三实施方式的锁具安装至托盘箱的示意图，其中锁具处于锁紧状态；
图16为图15所示安装至托盘箱的锁具的打开状态示意图；
图17为根据本发明的锁具的锁座的一种优选实施方式的示意图，其中，锁座、支撑部、第一限位部和第二限位部一体成型；以及
图18为图17所示的锁座安装至托盘箱的示意图。
具体实施方式
在下文的描述中，给出了大量具体的细节以便提供对本发明更为彻底的理解。然而，对于本领域技术人员来说显而易见的是，本发明可以无需一个或多个这些细节而得以实施。在其它的例子中，为了避免与本发明发生混淆，对于本领域公知的一些技术特征未进行描述。
本发明公开了一种托盘箱锁具，用于连接托盘箱的端壁和侧壁，特别适用于端壁板外表面与端壁立柱外表面之间的距离较小的端壁结构。
如图2至图4所示，为本发明所示的一种优选实施方式的锁具100。锁具100主要包括锁杆120和手柄110。
锁杆120的一端设置有钩头121，钩头121垂直于锁杆120并从锁杆120向外延伸，在托盘箱上与锁具100安装位置的对应位置处设置有锁孔，锁具100通过钩头121与锁孔的配合实现对托盘箱的锁紧。锁杆120的中部设有轴孔122，轴孔122所在的平面与锁杆120与钩头121所在的平面平行。如图8所示，可以通过诸如定位轴140等穿过轴孔122将锁杆120安装至托盘箱的外表面上，如此锁杆120可以绕定位轴140转动，并且随着锁杆120的转动实现钩头121伸入或者退出锁孔。优选地，在保证连接 强度的前提下，定位轴140可以采用螺纹连接或销钉等可拆卸的连接方式，这样可以方便锁具100的维护与更换。应当理解，轴孔122也可以直接设置为与锁杆120一体成型并垂直于锁杆120与钩头121所在平面的轴的形式，也就是说，只要保证锁杆120能够绕连接至托盘箱的连接部在平行于托盘箱外表面的平面内转动即可，本发明对锁杆120连接至托盘箱的具体结构形式不做限定。
在锁杆120上与钩头121相对的第二端，设置有手柄安装部123。手柄110通过手柄安装部123安装至锁杆120，并可绕手柄安装部123转动，从而使得锁具100安装至托盘箱时，随着手柄110绕手柄安装部123的转动，手柄110与托盘箱的外表面之间的角度在预定范围内变化。具体地，如图2和图3所示，手柄安装部123为U形槽。如图8所示，U形槽设置为当锁具100安装至托盘箱时，U形槽的开口朝向远离托盘箱的方向。U形槽的两个侧壁上设有对称的通孔124，如图4所示，手柄110的连接端111对应位置处也设置有安装孔115。连接时，手柄110的连接端111从U形槽的开口插入，并通过连接轴127与通孔124和安装孔115的配合将手柄110与锁杆120连接在一起。这样，手柄110即可绕连接轴127转动。优选地连接轴127可以采用螺纹连接或销钉等可拆卸的形式，以方便锁具100的维护与零部件的更换。其中，当手柄110与钩头121平行时，手柄110与钩头121的延伸方向相反，方便对锁具100进行操作。进一步优选地，U形槽远离手柄110的一端设置有封闭面126，可以增加手柄安装部123的强度。
如图4所示，手柄110大致为长条状，具有连接端111和操作端117。为方便操作，操作端117的厚度小于连接端111的厚度，这样当手柄110靠近托盘箱时，操作端117的内侧面与托盘箱外表面具有一定的操作空间，使得手指可以伸入其中抬起手柄，以便进一步握住手柄110。应当理解，手柄110也可以设置为沿长度方向具有预定的弧度的弧形，并且弧形朝向远离托盘箱的方向突出，或者其他能够保证手柄110的内侧距托盘箱外表面具有足够操作空间的结构。
在手柄110的连接端111处，设置有沿手柄110的厚度方向贯通的凹槽部112，其中安装孔115位于凹槽部112的沿手柄110长度方向的两个侧壁上，也即，当手柄110安装至锁杆120时，连接轴127穿过凹槽部112。优选地在连接轴127上套装扭簧130，扭簧130位于凹槽部112内。如图5 所示，扭簧130具有第一受力端131和第二受力端132。安装时，扭簧130的第一受力端131抵靠在手柄安装部123的底壁125朝向手柄110的侧面，第二受力端132抵靠在手柄110的远离底壁125的侧面。这样，当锁具100安装至托盘箱时，扭簧130对手柄110施加力的作用使得手柄110具有抵靠托盘箱的外表面的趋势，防止手柄110绕连接轴127自由转动至突出于托盘箱的最外表面造成碰撞或损坏或托盘箱载货运输中锁具受颠簸意外打开。
优选地，在手柄110上第二受力端132抵靠的位置，设置有限位槽113，第二受力端132位于限位槽113内，这样可以使扭簧130的位置保持固定，防止扭簧130沿连接轴127的轴向上下窜动。进一步优选地，在手柄110的朝向底壁125的侧面与扭簧130的第一受力端131对应的位置，设置有避让槽114，这样，当手柄110绕连接轴127转动时，第一受力端131进入避让槽114的空间，避免连接端111与第一受力端131产生干涉而影响手柄110的转动。
由于凹槽部112的存在，安装孔115距连接端111的端部必然会有一定的距离，这样，在手柄安装部123厚度受限的情况下，当手柄110转动时，连接端111的端部将与手柄安装部123的底壁125产生干涉。从而影响手柄110的转动。因此，在连接端111的端部朝向底壁125的侧面设置第一斜面116，如图6所示，第一斜面116与底壁125的角度为F。这样，第一斜面116的存在，使得手柄110可以绕连接轴127转动最大约F角度，如图7所示。
如图8至图9所示，锁具100通过锁座150安装至托盘箱的端壁板10上靠近端壁立柱11的位置处。在锁座150上锁具100的安装位置处还设置有加强板190，用以增加强度。如图10所示，在端壁立柱11上与锁具100的钩头121对应位置处设置有贯通端壁立柱11的长通孔12，如图11所示，在侧壁立柱21的朝向端壁立柱11的侧壁上与长通孔12对应的位置处，设置有锁孔22。当锁具100锁紧时，操作手柄110使锁杆120绕定位轴140转动，钩头121朝向端壁立柱11移动并穿过长通孔12进入锁孔22，继续转动，使得钩头121的上表面128勾住侧壁立柱21的朝向端壁立柱11的侧壁，防止托盘箱的侧壁在水平方向向外移动，如图9所示，这样就实现了锁具100的锁紧。然后操作手柄110绕连接轴127转动使其贴靠端壁板10的外表面。
优选地，在锁杆120的设置钩头121的一端，设置有止动部129。止动部129与钩头121的延伸方向相反，并且预先设定止动部129的长度和位置使得当锁具100锁紧时，止动部129的下端抵靠或靠近锁孔22的下侧壁。进一步优选地，预先设置锁孔22的长度，使得锁杆120的与钩头121连接的侧面抵靠在锁孔22的上侧壁，即止动部129的末端距锁杆120的与钩头121连接的侧面的距离A等于或略小于锁孔22的长度B，这样可以防止侧壁上下方向的移动，使锁紧更加牢固。优选地，在止动部129的末端设置有与止动部129的下侧面相交的倒角，可以避免在锁紧和松开的运动过程中止动部129与锁孔22的下侧壁之间的干涉。
优选地，在锁座150上与锁具100锁紧时的手柄110对应的位置处设置第一限位部151和第二限位部152，第一限位部151和第二限位部152对手柄110固定使锁具100保持锁紧状态，并且使手柄110保持贴靠端壁板10的状态，避免手柄110绕连接轴127转动至突出于端壁板10的外表面而导致解锁或者产生碰撞造成损坏。其中，第一限位部151和第二限位部152可以通过诸如焊接等方式固定连接至锁座150，也可以与锁座150一体成型。
在第一限位部151的朝向手柄110的侧面，可以设置有如图12所示的半球形的突出部153，突出部153的顶点距第二限位部152的相对面的距离略小于手柄110上与突出部153对应位置处的宽度。这样，在锁具100锁紧时，手柄110被限定在突出部153与端壁板10的外表面之间，并且由于突出部153的顶点距第二限位部152的相对面的距离略小于手柄110上与突出部153对应位置处的宽度，手柄110保持被限位的状态而无法自由脱出。优选地，在手柄110上与突出部153对应的位置处的两侧，设置有第一导向面118和第二导向面119，具体地可以是弧形面或斜面，这样通过第一导向面118和第二导向面119与突出部153的配合，可以方便的对手柄110进行限位和解除限位。
当锁具100处于解锁状态时，由于手柄110受到重力的作用，会使锁具100产生绕定位轴140向锁紧位置转动的趋势。因此，在锁座150设置支撑部154，以对解锁状态时的手柄110进行支撑，以防止锁具100在手柄110的带动下自动旋转锁紧。其中，支撑部154可以通过诸如焊接等方式固定连接至锁座150，也可以与锁座150一体成型。优选地，支撑部154的位置可以与第一导向面118和第二导向面119的位置对应。
优选地，如图17和图18所示，锁座150′与支撑部154′、第一限位部151′和第二限位部152′一体成型，并且支撑部154′具有突出于锁座150′的表面并延伸至第二限位部152′处的通长的结构。如图8和图9所示的实施方式中，操作者在打开锁具100的过程中，可能会将手柄110误放在第二限位部152和支撑部154之间的空档内，这样锁具100处于不完全打开的状态，钩头121不能完全退入到端壁立柱11的内部空间内，此时对托盘箱进行折叠，钩头121的最前端可能会划伤侧壁，并且不能完成托盘箱的折叠。而根据本实施方式，操作者需要将手柄110完全提升至支撑部154′处才可将手柄110靠近托盘箱的外表面放置，否则，手柄110会由于支撑部154′的作用处于远离托盘箱外表面的支起的状态，从而起到警示提醒的作用，这样就可以避免锁具100打开不完全的情况发生。根据本实施方式，锁座与支撑部、第一限位部和第二限位部一体成型，这样的结构制做简单，成本低，强度好，并且美观，是一种优选实施方式。
需要指出的是，设置锁座和加强板的目的，均是为了增加托盘箱的强度，防止锁具在锁紧时受力过大导致托盘箱箱体损坏。在保证强度的前提下，可以不设置加强板，甚至不设置锁座而将锁具直接安装至托盘箱的外表面。这时，限位部和支撑部可以连接至托盘箱的外表面。
根据本发明所示的锁具100，其锁紧过程如下：
如图8所示，锁具100处于打开状态。需要进行锁紧时，操作者将手指伸入手柄110的内侧，向上推动手柄110，使锁具100绕定位轴140转动，使手柄超过支撑部154的顶边，然后，向箱外方向抬起手柄110，使手柄110克服扭簧130的第二受力端132对手柄110的作用力，绕连接轴127转动至最大角度F(此时手柄110的连接端111的最前端面与第一斜面116的相交棱线与手柄安装部123的U形槽底壁125接触，如图7所示)。然后握住手柄110向下转动，使锁杆120绕定位轴140旋转，钩头121先穿过端壁立柱11上的长通孔12，再穿过侧壁立柱21的朝向端壁立柱11的侧壁上的锁孔22，钩头121的上表面128勾住锁孔22的侧壁内侧，止动部129的下端抵靠或靠近锁孔22的下侧壁，锁杆120的与钩头121连接的侧面抵靠在锁孔22的上侧壁(这样使钩头121的锁合受力点尽量靠近定位轴140的轴心水平面，这样可以减小钩头121的锁合力对定位轴140产生的力矩，从而减小锁合状态的手柄110为抵抗此力矩而受到的第二限位部152对手柄的压力，可提高锁具的锁合力)。
锁杆120锁定后，手柄110正对着第一限位部151和第二限位部152之间的区域。将手柄110向端壁板10的方向推动，首先手柄110的第二导向面119与突出部153接触，同时手柄110的另一侧面与第二限位部152的立边接触，用力推进手柄110，使突出部153越过第二导向面119位于第一导向面118的外侧，挡住第一导向面118，将手柄110固定。此时手柄110的内侧贴合在端壁板10上，突出部153保证了手柄110不会向箱外自由旋动，扭簧130进一步使手柄110紧贴端壁板10，阻止手柄110向箱外转动并可防止手柄110突出箱体之外；第一限位部151和第二限位部152还可以保证手柄110不会左右摆动。这样即完成了锁具100对托盘箱的端壁和侧壁的锁紧。
本发明所示锁具100的打开过程如下：
如图9所示，锁具100处于锁紧状态。操作者用手指抬起手柄110，优选在第一导向面118与突出部153之间留有间隙，这样手指就可伸入手柄110与端壁板10之间便于用力，这期间只需克服扭簧130的力量。继续向箱外方向抬起手柄110，此时第一导向面118与突出部153接触，同时克服扭簧130的力量和突出部153的阻力，将手柄抬起至最大角度F，脱离突出部153和第二限位部152。然后握住手柄110向上旋转，锁杆120绕定位轴140旋转，钩头121的最前段脱离侧壁立柱21退入端壁立柱11的内部空间内，此时端壁与侧壁完全脱离。再将手柄110挂放在支撑部154上固定，保证手柄110不会因重力作用绕定位轴140向下旋转而使锁杆120伸出端壁立柱11，进而影响端壁的折叠和组装，或又将端、侧壁锁住。这样锁具完成解锁。解锁后，托盘箱可以进行折叠，也可以进行拆卸。
如图13和图14所示，为根据本发明的第二实施方式的锁具200。
锁具200与锁具100的结构大致相同，不同之处在于，手柄210的连接端211不设置如手柄110的凹槽部，也不安装扭簧。手柄210在抬起过程中不需克服扭簧的作用力；锁具200在锁紧的状态时，没有扭簧给予手柄210的作用力，只靠第一限位部251与第二限位部252配合实现限制手柄210向箱外转动的限位固定的作用。
根据第二实施方式的锁具200与根据第一实施方式的锁具100的操作方式相同，在此不做赘述。
如图15和图16所示为根据本发明的第三实施方式的锁具300。
锁具300与锁具100和锁具200的不同之处在于，锁杆320的手柄安 装部323为T形，T形的立壁相当于U形槽的两个侧壁，手柄310的连接端311设有U形开口，T形的立壁插入手柄310的U形开口中用连接轴327连接。
锁具300处于锁紧状态时，钩头321向下，钩头321与手柄310垂直，手柄310通过第一限位部351和第二限位部352固定。锁具300打开状态时，首先将手柄310抬起约F角度，使之脱离第一限位部351和第二限位部352的约束，向下转动手柄310，锁杆320绕定位轴340转动至钩头321退入端壁立柱31内，此时手柄310在自身重力作用下自然下垂，与端壁立柱31基本平行。
根据第三实施方式的锁具结构简单，省去支撑部，且操作相对省力。但锁具处于锁紧状态时，手柄固定可靠性不如第一和第二实施方式。在同样不设置扭簧的情况下，手柄固定可靠性也不如第二实施方式。锁具处于打开状态时，手柄除了自身重力作用外没有其他约束力，这样手柄会因外力的作用左右摆动，稳定性不如第一和第二实施方式，钩头有可能因外力的作用绕定位轴转动，使钩头伸出端壁立柱，阻碍端壁的组立或折叠。
根据本发明的另一个方面，提供一种托盘箱，该托盘箱包括如上所述任一种锁具。
根据本发明的托盘箱锁具，结构简单，加工制造容易，成本低，并且操作灵活、省力，能够适应托盘箱的端壁、侧壁厚度较小的情况。
本发明已经通过上述实施例进行了说明，但应当理解的是，上述实施例只是用于举例和说明的目的，而非意在将本发明限制于所描述的实施例范围内。本领域技术人员可以理解的是，根据本发明的教导还可以做出更多种的变型和修改，这些变型和修改均落在本发明所要求保护的范围以内。本发明的保护范围由附属的权利要求书及其等效范围所界定。

Claims (17)

  1. 一种锁具，用于托盘箱，所述托盘箱上与所述锁具对应的位置设置有锁孔，其特征在于，所述锁具包括：
    锁杆，所述锁杆的第一端设置有与所述锁孔配合以实现锁紧的钩头，所述锁杆上设置有连接部，所述锁杆通过所述连接部可转动地连接至所述托盘箱的箱体，并且随着所述锁杆绕所述连接部在平行于所述箱体的外表面的平面内转动，所述钩头伸入所述锁孔或从所述锁孔退出，实现所述锁具的锁紧或解锁；以及
    手柄，所述手柄包括连接端，所述手柄通过所述连接端可转动地连接至所述锁杆的与所述第一端相对的第二端，并且随着所述手柄绕所述连接端转动，所述手柄的位置在靠近相邻所述箱体的外表面和远离相邻所述箱体的外表面之间变化。
  2. 根据权利要求1所述的锁具，其特征在于，还包括锁座，所述锁座固定连接至所述箱体，所述锁杆通过所述连接部可转动地连接至所述锁座。
  3. 根据权利要求2所述的锁具，其特征在于，所述锁座设置有加强板，所述锁杆通过所述连接部可转动地连接至所述加强板。
  4. 根据权利要求1所述的锁具，其特征在于，还包括支撑部，以使得所述锁具处于解锁状态时，所述手柄被所述支撑部支撑。
  5. 根据权利要求1所述的锁具，其特征在于，还包括限位部，以使得所述锁具处于锁紧状态时，所述手柄被所述限位部固定。
  6. 根据权利要求1所述的锁具，其特征在于，所述锁杆的所述第二端设置U形槽，所述U形槽的开口朝向远离所述托盘箱的方向，所述手柄的所述连接端插入所述U形槽并使用连接轴穿过所述U形槽的两个侧壁连接，所述手柄可绕所述连接轴转动。
  7. 根据权利要求6所述的锁具，其特征在于，所述U形槽的远离所述手柄的一端封闭设置以增加强度。
  8. 根据权利要求7所述的锁具，其特征在于，所述连接端的端部的朝向所述U形槽的底壁的一侧设置有第一斜面，以避免在所述手柄转动时所述连接端与所述U形槽的底壁干涉。
  9. 根据权利要求6所述的锁具，其特征在于，还包括扭簧，所述扭簧具有第一受力端和第二受力端，所述扭簧套装在所述连接轴上，所述第一受力端抵靠所述U形槽的底壁，所述第二受力端抵靠所述手柄，以使得所 述手柄在所述扭簧的弹性力作用下抵靠所述箱体。
  10. 根据权利要求9所述的锁具，其特征在于，所述手柄的所述连接端设置有凹槽，所述连接轴穿过所述凹槽，所述扭簧设置于所述凹槽内。
  11. 根据权利要求9所述的锁具，其特征在于，所述手柄在与所述扭簧的所述第二受力端对应的位置设置有限位槽以对所述扭簧进行限位。
  12. 根据权利要求1所述的锁具，其特征在于，所述手柄的所述连接端设置有U形开口，所述锁杆的所述第二端插入所述U形开口并使用连接轴穿过所述U形开口的两个侧壁连接，所述手柄可绕所述连接轴转动。
  13. 根据权利要求1所述的锁具，其特征在于，所述手柄的远离所述连接端的部分的厚度小于所述连接端的厚度，以使得所述手柄的远离所述连接端的部分与所述箱体的外表面之间保持足够的距离。
  14. 根据权利要求1所述的锁具，其特征在于，所述锁杆的第一端设置有止动部，所述止动部的延伸方向与所述钩头的延伸方向相反，其中，当所述锁具处于锁紧状态时，所述止动部的末端靠近或抵靠所述锁孔的侧壁。
  15. 根据权利要求14所述的锁具，其特征在于，所述止动部的末端设置有倒角以避免所述止动部与所述锁孔的侧壁干涉。
  16. 根据权利要求1所述的锁具，其特征在于，当所述手柄与所述钩头平行时，所述手柄与所述钩头的延伸方向相反。
  17. 一种托盘箱，其特征在于，所述托盘箱包括如权利要求1至16中任一项所述的锁具。
PCT/CN2018/079471 2017-03-28 2018-03-19 锁具及具有其的托盘箱 WO2018177150A1 (zh)

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US11548684B2 (en) 2023-01-10
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