WO2019174481A1 - 托盘 - Google Patents

托盘 Download PDF

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Publication number
WO2019174481A1
WO2019174481A1 PCT/CN2019/076708 CN2019076708W WO2019174481A1 WO 2019174481 A1 WO2019174481 A1 WO 2019174481A1 CN 2019076708 W CN2019076708 W CN 2019076708W WO 2019174481 A1 WO2019174481 A1 WO 2019174481A1
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WO
WIPO (PCT)
Prior art keywords
tray
connector
base
locking
trays
Prior art date
Application number
PCT/CN2019/076708
Other languages
English (en)
French (fr)
Original Assignee
上海鸿研物流技术有限公司
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 上海鸿研物流技术有限公司 filed Critical 上海鸿研物流技术有限公司
Priority to EP19768065.5A priority Critical patent/EP3766795B1/en
Publication of WO2019174481A1 publication Critical patent/WO2019174481A1/zh

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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
    • B65D19/40—Elements for spacing platforms from supporting surface
    • B65D19/42—Arrangements or applications of rollers or wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/0083—Wheeled supports connected to the transported object
    • B62B5/0093—Flat dollys without hand moving equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/04—Braking mechanisms; Locking devices against movement
    • B62B5/0433—Braking mechanisms; Locking devices against movement foot operated
    • 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
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2207/00—Joining hand-propelled vehicles or sledges together
    • B62B2207/02—Joining hand-propelled vehicles or sledges together rigidly
    • 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
    • B65D2519/00557—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements
    • B65D2519/00567—Structures connecting the constitutive elements of the pallet to each other, i.e. load supporting surface, base surface and/or separate spacer without separate auxiliary elements mechanical connection, e.g. snap-fitted
    • 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
    • B65D2519/00741—Dimensional aspects of the pallet
    • B65D2519/00746—Dimensional aspects of the pallet divisible into sub-pallets of smaller dimensions
    • 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
    • B65D2519/00776—Accessories for manipulating the pallet
    • B65D2519/00781—Accessories for manipulating the pallet for moving on a surface, e.g. wheels, pads

Definitions

  • This invention relates to logistics appliances, and in particular to pallets.
  • the movable trays of the existing display and display generally have specifications such as 800 ⁇ 600 ⁇ 190mm, 600 ⁇ 400 ⁇ 200mm, etc.
  • the dimensions of the length and width of the outer dimensions of the movable tray are relatively uniform, and mainly cooperate with the container mainly of 600*400mm.
  • As a carrier for the movable container that is, the container is placed on the movable tray as a solution for handling and moving of a single or unitized container.
  • the movement of the plurality of sets of mobile carrier units requires the tray units to be connected to each other, that is, the mobile carrier can be interconnected by the structure, so that the tray carrier can be synchronized under the traction of one of them. Move to reduce the waste of manpower for back and forth handling.
  • the tray connection is complicated, and the connected tray needs to be lifted up, placed on the upper edge of the connection tray, and then the two connected trays are partially overlapped and engaged when the tray is connected.
  • the connected pallets cannot be disconnected from each other, that is, after the goods are completely unloaded, the reverse operation can be realized according to the assembly manner, so that the operation is inconvenient and the experience is not
  • the turnover efficiency of the tray-to-tray connection and the switching of the individual tray carriers to each other is reduced.
  • the present invention provides a tray having a base having two opposite side edges, the base further having a pair of opposite side edges respectively disposed at the base a first connecting device and a second connecting device, wherein
  • the first connecting device includes:
  • the first connector being configured to enable the first connector to move between a first position and a second position relative to the base;
  • the second connecting device includes:
  • An operating member disposed at another pair of opposite side edges of the base, wherein the operating member is coupled to the second connector via the transmission assembly, and the operating member is arranged to be operable to operate the second a connector that enables the second connector to move between a connected position and a separated position,
  • the first connecting member of one tray is in the second position
  • the corresponding second connecting member of the other tray is in the connecting position
  • the one of the trays is The first connector and the corresponding connector of the other tray are connected to each other.
  • the middle portion of the base on which the side edge of the second connecting device is mounted is provided with an open slot, and at least a portion of the first connecting device of one tray is located in the open slot when the two trays are connected to each other.
  • the first connecting member is provided with a limiting structure
  • the second connecting member is arranged to cooperate with the limiting structure when the two trays are connected to each other.
  • the limiting structure is a limiting hole or a limiting slot.
  • the first connector is arranged to be translatable relative to the base. In an embodiment, the first connector is further arranged to be rotatable relative to the base.
  • the first connecting device further includes a first limiting member, the first limiting member is coupled to the first connecting member and is disposed such that when the two trays are connected to each other, one tray is opposite to Limiting the direction of movement of another tray.
  • the first connecting device further includes a locking member, a locking spring and a first return spring, wherein the first connecting member is movably coupled to the base via the first return spring, the locking member And the locking spring is coupled to and mounted to the first connector such that the locking member can extend or retract relative to the first connector.
  • the first connecting member has a U-shaped structure, and both legs of the U-shaped word are mounted with the first return spring, and the bottom arm of the U-shaped body is mounted with a locking spring and two of the locking members,
  • the locking member has a locking tongue, an operating portion and a spring mounting portion, wherein both ends of the locking spring are respectively mounted to the spring mounting portions of the two locking members, and the locking tongue projects out of the first connecting member.
  • the operating member has a handle and a connection to the handle, the connecting portion being coupled to the transmission assembly, the transmission assembly passing through the base.
  • the transmission assembly has a connecting shaft and a driving member, wherein one end of the connecting shaft is connected to the operating member, and the other end is connected to one end of the driving member, and the other end of the driving member is The second connector cooperates to drive the second connector to move up and down.
  • the transmission assembly further includes a second return spring, one end of the second return spring being coupled to the second connector and the other end abutting the base.
  • the other end of the driving member has a driving rod
  • the second connecting member has a locking tongue and a driving groove, wherein the driving rod cooperates with the driving groove to drive the locking tongue up and down motion.
  • the tray further includes a wheel assembly mounted to the underside of the base.
  • the tray further includes a brake pedal assembly mounted to a lower portion of the opposite pair of side edges and for controlling braking of the wheel assembly.
  • the invention provides a connecting device which can be unlocked from the side edge of the tray, realizes the mutual separation of the trays without the unloading of the tray carrier, has convenient operation, simple structure and easy maintenance.
  • FIG. 1 is a perspective view of a tray in accordance with an embodiment of the present invention.
  • FIG. 2 is another perspective view of the tray of FIG. 1 with a partial cut away to illustrate the internal structure.
  • Fig. 3 is a perspective view showing the structure of the first connecting device of the tray of Fig. 1.
  • Fig. 4 is a perspective view showing the structure of a locking member of the first connecting device of Fig. 3.
  • Figure 5 is a cross-sectional view of the first connecting device of Figure 3.
  • Fig. 6 is an exploded perspective view showing the structure of the second connecting device of the tray of Fig. 1.
  • Figure 7 is a perspective view of the second connector of the second attachment device of Figure 6.
  • Figure 8 is a bottom plan view of the second connector of Figure 7.
  • Figure 9 is a perspective view of the driving member of the second connecting device of Figure 6.
  • Fig. 10 is a perspective view of an operating member of the second connecting device of Fig. 6.
  • Figure 11 is a perspective view of the connecting shaft of the second connecting device of Figure 6;
  • Figure 12 is a perspective view of another connecting shaft of the second connecting device of Figure 6;
  • Figure 13 is a perspective view of the tray of Figure 1 with the second attachment means in a coupled position and a portion of the base structure shown in phantom to illustrate a second attachment means located within the base.
  • Figure 14 is a perspective view of the tray of Figure 1 with the second attachment means in a disengaged position and a portion of the base structure shown in phantom to illustrate a second attachment means located inside the base.
  • Figure 15 is a perspective view of the two trays connected to each other.
  • Figure 16 is a cross-sectional view showing the two trays connected to each other.
  • Figure 17 is a cross-sectional view of one of two interconnected trays.
  • Figure 18 is a cross-sectional view of another of the two interconnected trays.
  • references to "one embodiment” or “an embodiment” in the specification are intended to mean that the particular features, structures, or features described in connection with the embodiments are included in at least one embodiment. Thus, appearances of the “a” or “an” In addition, the particular features, structures, or characteristics may be combined in any manner in one or more embodiments.
  • the tray 1 has a base 2.
  • a wheel assembly 3 is mounted on the underside of the base 2.
  • the base 2 is also fitted with a brake pedal assembly 4.
  • the brake pedal assembly 4 is used to control the braking of the wheel assembly 3.
  • This type of tray has a wheel assembly 3 that is easily movable and is therefore commonly referred to as a removable tray.
  • the base 2 has two pairs of opposite side edges 5, 6, 7, 8.
  • the brake pedal assembly 4 is mounted at a pair of opposite side edges 5, 7.
  • the first connecting means 9 and the second connecting means 10 are respectively disposed at the opposite side edges 6, 8 of the base 2.
  • the first attachment means 9 of one tray can be interconnected with the second attachment means 10 of the other tray to connect the two trays together.
  • An opening groove 6a is provided in a central portion of the base 2 on which the side edge 6 of the first connecting device 9 is disposed.
  • the central portion of the base 2 on which the side edge 8 of the second connecting device 10 is disposed is also provided with an open groove 8a.
  • the first connecting device 9 has a first connecting member 11.
  • the first connector 11 is coupled to the base 2 and is movable relative to the base 2 between a first position and a second position.
  • the first connecting device is in a non-connected state.
  • the first connecting device is in a connected state, that is, connected to another tray.
  • a locking member 12, a lock spring 13, and a first return spring 14 are mounted on the first connecting member 11.
  • the first connector 11 is movably coupled to the base 2 via a first return spring 14.
  • the first connector 11 is arranged to be translatable and rotatable relative to the base 2.
  • the locking spring 13 cooperates with the locking member 12 such that the locking member 12 can be extended or retracted relative to the first connecting member 11.
  • the locking member 12 serves as a first limiting member of the first connecting device, such that when the two trays are connected to each other, the first limiting member limits a direction of movement of one tray relative to the other tray, for example, The direction of upward movement of the tray is limited. It should be understood that the first limiting member can also adopt other structures to achieve the same function.
  • the first connecting member 11 has a U-shaped structure.
  • a first return spring 14 is mounted on both arms of the U-shape. One end of each of the first return springs 14 is fixedly coupled to the base 2, and the other end is fixedly coupled to the first connecting member 11.
  • the two arms of the U-shape are further provided with a limiting portion 11a.
  • the limiting portion 11a cooperates with the limiting portion 2f provided on the base to limit the distance of the first connecting member from the base 2.
  • the bottom arm of the U is provided with an open slot 15.
  • a limiting portion 19 is provided in the open slot.
  • the open groove 15 is fitted with a lock spring 13 and two lock members 12, wherein the lock spring 13 is located between the two lock members 12.
  • the locking member 12 is an integral piece having a locking tongue 16, an operating portion 17, and a spring mounting portion 18.
  • the operating portion 17 is located at one end of the locking tongue 16 and above the locking tongue 16.
  • a spring attachment portion 18 is provided directly below the operation portion 17.
  • the two ends of the lock spring 13 are respectively mounted to the spring mounting portions 18 of the two locking members 12, and the locking tongue 16 projects out of the first connecting member 11.
  • the operation unit 17 is limited by the stopper unit 19.
  • the locking tongue can be retracted into the first connecting member 11 by the operating portion 17, and placed in position, and then released to cause the locking tongue 16 to extend.
  • the base 2 is provided with a limiting portion 6b on both sides of the opening groove 6a to limit the locking tongue 16 in an unconnected state.
  • a stopper portion 8b is provided on the base 2 on both sides of the opening groove 8a to restrict the bolt 16 in the connected state.
  • the bottom arm of the U-shaped first connecting member serves as a limiting structure, and when the two trays are connected to each other, it cooperates with the corresponding connecting structure of the other tray to keep the two trays in a connected state.
  • the above-mentioned limiting structure may also be a limiting hole or a limiting slot as long as it can perform the limiting structure on the corresponding connecting structure of another tray.
  • the second connecting device 10 has a second connecting member 20.
  • the second connector 20 is mounted on the base 2.
  • the second connecting member 20 is coupled to the driving members 21a, 21b.
  • the driving members 21a, 21b are used to drive the second connecting member 20 to move up and down.
  • the driving member 21a is connected to one end of the connecting shaft 22a.
  • the other end of the connecting shaft 22a passes through the base 2 and is coupled to the operating member 23a.
  • the operating member 23a is mounted at a side edge of the base.
  • the driving member 21b is connected to one end of the connecting shaft 22b.
  • the other end of the connecting shaft 22b passes through the base 2 and is coupled to the operating member 23b.
  • the operating member 23a and the operating member 23b are respectively mounted at a pair of opposite side edges of the base 2.
  • the two interconnected trays are to be unlocked, it is only necessary to manipulate the operating members 23a or 23b on the side to achieve unlocking.
  • the operating member 23a drives the connecting shaft 22a to move, the connecting shaft 22a drives the driving member 21a to move, and the driving member 21a drives the second connecting member 20 to move, so that the second connecting member 20 and the first connecting member 11 are disconnected, so that the two trays are separable.
  • the connecting shafts 22a, 22b and the driving members 21a, 21b constitute a transmission assembly for transmitting the movement of the operating members 23a, 23b to the second connecting member 20.
  • the second connecting member 20 is connected to one end of the second return spring 24.
  • the other end of the second return spring 24 abuts against the limiting portion 2c on the base 2.
  • the second connector 20 has a locking tongue 25.
  • a drive groove 26 is provided below the lock tongue 25.
  • the drive slot 26 cooperates with a drive rod on the drive member to drive the second link 20 to move.
  • a limiting portion 27 protrudes from one side of the locking tongue 25. The protruding limiting portion 27 is for preventing the second connecting member 20 from coming off the base 2 after the second connecting member 20 is mounted on the base 2.
  • a spring mounting portion 28 is provided below the bolt 25 for connecting the second return spring 24, as shown in Figures 7-8.
  • the driving members 21a and 21b have the same structure, and the driving member 21a will be described as an example.
  • the driving member 21a has a connecting portion 29.
  • the connecting portion 29 is connected to the connecting shaft 22a.
  • the drive arm 30 extends from the connecting portion 29 perpendicular to the connecting portion 29.
  • the end of the drive arm 30 extends out of the drive rod 31 parallel to the connecting portion 29.
  • the drive rod 31 can extend into the drive slot 26 and cooperate with the drive slot 26 to drive the bolt 25 up and down.
  • the operating members 23a and 23b have the same structure, and the operating member 23a will be described as an example.
  • the operating member 23a has a handle 32 and a connecting portion 33 connected to the handle 32.
  • a stopper portion 34 is further provided on a side of the handle portion 32 facing the base.
  • the limiting portion 34 cooperates with the limiting portion 2d on the base for rotatably connecting the operating member 23a to the base 2 and preventing the operating member 23a from coming off the base.
  • the connecting portion 33 is for connecting the connecting shaft 22a.
  • the connecting portion 33 is provided with an inner hole 35 having a polygonal cross section.
  • One end of the connecting shaft 22a has a cross section of a corresponding shape.
  • Another limiting portion 36 is further provided on the connecting portion 33.
  • the limiting portion 36 cooperates with the limiting portion 34 to rotatably hold the operating member 23a at the side edge of the base.
  • the structure of the connecting shaft 22a and the connecting shaft 22b are substantially the same. Both ends of the connecting shaft 22a and the connecting shaft 22b are provided with connecting portions 221 and 222 having a polygonal cross section. The difference between the connecting shaft 22a and the connecting shaft 22b is the length of the connecting section. The connecting section of one end of the connecting shaft 22a is long so as to be able to pass through the driving member 21a and penetrate a part of the driving member 21b.
  • the first connector 11 of the first connecting device 9 is mounted to the open slot 6a of the base.
  • the first connector 11 can be pulled out relative to the base 2.
  • the second connector 20 of the second connecting device 10 is located in the open slot 8a of the base 2.
  • the operating members 23a and 23b are located at the side edges 5 and 7, respectively. Rotating the operating member 23a or 23b allows the bolt of the second connecting member 20 to move up and down to extend or retract.
  • the first connector 11 of the first tray projects relative to the base and extends beyond the side edge of the base into the open slot of the other tray and
  • the second connector 20 of the other tray cooperates to limit the relative movement of the two trays in the horizontal direction.
  • the locking member 12 on the first attachment piece of the first tray is defined by the other tray to limit the relative movement of the two trays in the vertical direction.
  • the tray of the present application can achieve interconnection between two or more trays by means of a connecting device such that the plurality of trays achieve synchronous movement.
  • a connecting device such that the plurality of trays achieve synchronous movement.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Pallets (AREA)
  • Handcart (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Automatic Assembly (AREA)

Abstract

一种托盘（1），该托盘具有底座（2），底座具有两对相对的侧缘（5、6、7、8）。底座进一步具有分别设置在所述底座的一对相对的侧缘处的第一连接装置（9）和第二连接装置（10）。在两个托盘相互连接时，一个托盘的所述第一连接装置与另一托盘的第二连接装置相互连接。在解除两个托盘的连接时，只需在托盘的侧缘进行操作即可实现。该托盘的连接和分离操作简便。

Description

托盘
相关申请交叉引用
本专利申请要求于2018年03月12日提交的、申请号为201810198601.6、发明名称为“托盘”的中国专利申请的优先权，上述申请的全文以引用的方式并入本文中。
技术领域
本发明涉及物流器具，具体涉及托盘。
背景技术
现有展示陈列的可移动托盘一般规格如800×600×190mm、600×400×200mm等，这类可移动托盘外尺寸的长和宽的规格相对统一，主要配合以600*400mm为主的容器，作为可移动容器的载体，即容器放置在可移动托盘上，作为单个或单元化容器的搬运和移动的解决方案。但类似的可移动托盘载体在移动和搬运过程中，多组移动载体单元的移动，需要托盘单元进行相互连接，即移动载体可以通过结构实现互连，便于托盘载体在其中一个的牵引下实现同步移动来减少来回搬运的人力浪费。
以已公开的发明专利US20120267869A1，其托盘连接较复杂，需要将被连接的托盘抬起，放置在连接托盘的上缘，而后使两个相连接的托盘进行部分交叠咬合，在托盘连接使用时，尤其是在托盘上表面承载货物后，连接的托盘不能被相互解除连接关系，即需要货物完全卸载后，按其装配的方式反向操作才可实现解除互联接，像这样操作不便，体验不佳，降低了托盘与托盘连接以及单个托盘载体相互切换周转使用的周转效率。
发明内容
本发明的目的是提供一种托盘，多个这种托盘能够方便地进行相互连接或分离。
为实现上述目的，本发明提供了一种托盘，所述托盘具有底座，所述底座具 有两对相对的侧缘，所述底座进一步具有分别设置在所述底座的一对相对的侧缘处的第一连接装置和第二连接装置，其中
所述第一连接装置包括：
第一连接件，所述第一连接件设置成使得所述第一连接件能够相对于所述底座在第一位置与第二位置之间移动；
所述第二连接装置包括：
第二连接件；
传动组件；以及
设置在所述底座的另一对相对的侧缘处的操作件，其中所述操作件经由所述传动组件与所述第二连接件连接，并且所述操作件布置成能够操作所述第二连接件，使得所述第二连接件能够在连接位置与分离位置之间移动，
其中，在两个托盘相互连接时，一个托盘的所述第一连接件处于所述第二位置，而另一个托盘的对应所述第二连接件处于所述连接位置，且一个托盘的所述第一连接件和另一个托盘的对应所述第二连接件相互连接。
一实施例中，所述底座的安装有第二连接装置的侧缘的中部设有开口槽，在两个托盘相互连接时，一个托盘的第一连接装置的至少一部分位于该开口槽内。
一实施例中，所述第一连接件设有限位结构，所述第二连接件布置成在两个托盘相互连接时与所述限位结构配合。一实施例中，所述限位结构为限位孔或限位槽。
一实施例中，所述第一连接件布置成能够相对于所述底座平移。一实施例中，所述第一连接件进一步布置成能够相对于所述底座旋转。
一实施例中，所述第一连接装置进一步包括第一限位件，所述第一限位件连接于所述第一连接件并设置成使得在两个托盘相互连接时，对一个托盘相对于另一个托盘的一个运动方向进行限制。
一实施例中，所述第一连接装置进一步包括锁定件、锁定弹簧和第一复位弹簧，其中所述第一连接件经由所述第一复位弹簧与所述底座可移动连接，所述锁定件和所述锁定弹簧连接并均安装于所述第一连接件，使得所述锁定件能够相对于所述第一连接件伸出或缩回。
一实施例中，所述第一连接件具有U字形结构，U字的两臂均安装有所述第一复位弹簧，U字的底臂安装有锁定弹簧和两个所述锁定件，所述锁定件具有锁舌、操作部和弹簧安装部，其中所述锁定弹簧的两端分别安装于两个所述锁定件的弹簧 安装部，并且所述锁舌伸出所述第一连接件。
一实施例中，所述操作件具有手柄和连接于手柄的连接部，所述连接部连接于所述传动组件，所述传动组件穿过所述底座。
一实施例中，所述传动组件具有连接轴和驱动件，其中所述连接轴的一端与所述操作件连接，另一端与所述驱动件的一端连接，所述驱动件的另一端与所述第二连接件配合以驱动所述第二连接件上下运动。
一实施例中，所述传动组件进一步包括第二复位弹簧，所述第二复位弹簧的一端与所述第二连接件连接，另一端抵靠所述底座。
一实施例中，所述驱动件的所述另一端具有驱动杆，所述第二连接件具有锁舌和驱动槽，其中所述驱动杆与所述驱动槽配合，以驱动所述锁舌上下运动。
一实施例中，所述托盘进一步包括轮组件，所述轮组件安装于所述底座下侧。
一实施例中，所述托盘进一步包括刹车踏板组件，所述刹车踏板组件安装于另一对相对的侧缘下部并用于控制所述轮组件的刹车。
本发明提供了可从托盘侧缘解锁的连接装置，在托盘承载物不卸载的情况下实现托盘的相互分离，其操作便利，结构简单，易于维护。
附图说明
图1是根据本发明一实施例的托盘的立体图。
图2是图1的托盘的另一立体图，其中局部切除以示出内部结构。
图3是图1的托盘的第一连接装置的结构立体图。
图4是图3的第一连接装置的锁定件的结构立体图。
图5是图3的第一连接装置的剖视图。
图6是图1的托盘的第二连接装置的结构分解立体图。
图7是图6的第二连接装置的第二连接件的立体图。
图8是图7的第二连接件的仰视图。
图9是图6的第二连接装置的驱动件的立体图。
图10是图6的第二连接装置的操作件的立体图。
图11是图6的第二连接装置的连接轴的立体图。
图12是图6的第二连接装置的另一连接轴的立体图。
图13是图1的托盘的立体图，其中第二连接装置处于连接位置，且底座的 部分结构用虚线表示，以示出位于底座内部的第二连接装置。
图14是图1的托盘的立体图，其中第二连接装置处于分离位置，且底座的部分结构用虚线表示，以示出位于底座内部的第二连接装置。
图15是两个托盘相互连接后的立体图。
图16是两个托盘相互连接后的剖视图。
图17是两个相互连接的托盘中的一个托盘的剖视图。
图18是两个相互连接的托盘中的另一个托盘的剖视图。
具体实施方式
以下将结合附图对本发明的较佳实施例进行详细说明，以便更清楚理解本发明的目的、特点和优点。应理解的是，附图所示的实施例并不是对本发明范围的限制，而只是为了说明本发明技术方案的实质精神。
在下文的描述中，出于说明各种公开的实施例的目的阐述了某些具体细节以提供对各种公开实施例的透彻理解。但是，相关领域技术人员将认识到可在无这些具体细节中的一个或多个细节的情况来实践实施例。在其它情形下，与本申请相关联的熟知的装置、结构和技术可能并未详细地示出或描述从而避免不必要地混淆实施例的描述。
除非语境有其它需要，在整个说明书和权利要求中，词语“包括”和其变型，诸如“包含”和“具有”应被理解为开放的、包含的含义，即应解释为“包括，但不限于”。
在整个说明书中对“一个实施例”或“一实施例”的提及表示结合实施例所描述的特定特点、结构或特征包括于至少一个实施例中。因此，在整个说明书的各个位置“在一个实施例中”或“在一实施例”中的出现无需全都指相同实施例。另外，特定特点、结构或特征可在一个或多个实施例中以任何方式组合。
如该说明书和所附权利要求中所用的单数形式“一”和“所述”包括复数指代物，除非文中清楚地另外规定。应当指出的是术语“或”通常以其包括“和/或”的含义使用，除非文中清楚地另外规定。
在以下描述中，为了清楚展示本发明的结构及工作方式，将借助诸多方向性词语进行描述，但是应当将“前”、“后”、“左”、“右”、“外”、“内”、“向外”、“向 内”、“上”、“下”等词语理解为方便用语，而不应当理解为限定性词语。
如图1-2所示，托盘1具有底座2。底座2的下侧安装有轮组件3。底座2还安装有刹车踏板组件4。刹车踏板组件4用于控制轮组件3的刹车。这种类型的托盘具有轮组件3，可方便地移动，因此通常称为可移动托盘。
底座2具有两对相对的侧缘5、6、7、8。本实施例中，刹车踏板组件4安装于其中一对相对的侧缘5、7处。底座2的相对的侧缘6、8处分别设置第一连接装置9和第二连接装置10。一个托盘的第一连接装置9可与另一个托盘的第二连接装置10相互连接，从而将两个托盘连接在一起。底座2的设置有第一连接装置9的侧缘6的中部设有开口槽6a。底座2的设置有第二连接装置10的侧缘8的中部也设置有开口槽8a。在两个托盘相互连接时，一个托盘的第一连接装置的至少一部分位于该开口槽8a内。
如图1-5所示，第一连接装置9具有第一连接件11。第一连接件11连接于底座2并够相对于底座2在第一位置与第二位置之间移动。第一连接件处于第一位置时，第一连接装置处于非连接状态。第一连接件处于第二位置时，第一连接装置处于连接状态，即与另一个托盘连接。
第一连接件11上安装有锁定件12、锁定弹簧13和第一复位弹簧14。第一连接件11经由第一复位弹簧14与底座2可移动连接。较佳地，第一连接件11布置成能够相对于底座2平移和旋转。锁定弹簧13与锁定件12配合，使得锁定件12能够相对于第一连接件11伸出或缩回。这里，锁定件12用作第一连接装置的第一限位件，使得在两个托盘相互连接时，该第一限位件对一个托盘相对于另一个托盘的一个运动方向进行限制，例如对托盘的向上运动方向进行限制。应理解，该第一限位件也可采用其他结构来实现相同的功能。
本实施例中，如图3所示，第一连接件11具有U字形结构。U字的两臂均安装有第一复位弹簧14。每个第一复位弹簧14的一端固定连接于底座2，另一端固定连接于第一连接件11。U字的两臂进一步设有限位部11a。限位部11a与设置于底座上的限位部2f配合，以限制第一连接件的相对于底座2伸出的距离。U字的底臂设有开口槽15。开口槽内设有限位部19。开口槽15安装有锁定弹簧13和两个锁定件12，其中锁定弹簧13位于两个锁定件12之间。如图4-5所示，锁定件12为具有锁舌16、操作部17和弹簧安装部18的一体件。操作部17位于锁舌16的一端并高于锁舌16。操作部17正下方设有弹簧安装部18。组装时，锁定弹簧13的 两端分别安装于两个锁定件12的弹簧安装部18，并且锁舌16伸出第一连接件11。操作部17由限位部19限位。在将第一连接装置组装至底座2时，可以通过操作部17将锁舌缩回第一连接件11内，放置到位后，再松开使得锁舌16伸出。
对应地，底座2上在开口槽6a的两侧设有限位部6b，以在未连接状态下对锁舌16进行限位。底座2上在开口槽8a的两侧设有限位部8b，以在连接状态下，对锁舌16进行限位。
这里，U字形第一连接件的底臂作为限位结构，在两个托盘相互连接时，其与另一托盘的对应连接结构配合，以使得两个托盘保持连接状态。应理解的是，上述限位结构也可为限位孔或限位槽，只要其能够对另一托盘的对应连接结构进行该限位结构即可。
如图6所示，第二连接装置10具有第二连接件20。第二连接件20安装于底座2上。第二连接件20与驱动件21a、21b连接。驱动件21a、21b用于驱动第二连接件20上下运动。驱动件21a与连接轴22a的一端连接。连接轴22a的另一端穿过底座2并与操作件23a连接。操作件23a安装于底座的侧缘处。驱动件21b与连接轴22b的一端连接。连接轴22b的另一端穿过底座2并与操作件23b连接。操作件23a和操作件23b分别安装于底座2的一对相对的侧缘处。
由此，当要对两个相互连接的托盘进行解锁时，只需要在侧面操纵操作件23a或23b，就可实现解锁。以操纵操作件23a为例。操作件23a带动连接轴22a运动，连接轴22a带动驱动件21a动作，驱动件21a带动第二连接件20运动，从而使得第二连接件20和第一连接件11脱开连接，使得两个托盘可分离。
本实施例中，连接轴22a、22b和驱动件21a、21b构成传动组件，用于把操作件23a、23b的运动传递至第二连接件20。
进一步地，第二连接件20连接有第二复位弹簧24的一端。第二复位弹簧24的另一端抵靠底座2上的限位部2c。第二连接件20被驱动件21驱动向下运动时，第二复位弹簧24被压缩，由此提供给第二连接件20回复力。在第二连接件20不被驱动时，该回复力促使第二连接件20复位。
第二连接件20具有锁舌25。锁舌25的下方具有驱动槽26。驱动槽26与驱动件上的驱动杆配合，以驱动第二连接件20运动。锁舌25的一侧凸出的限位部27。凸出的限位部27用于在第二连接件20安装于底座2后，防止第二连接件20脱离底座2。锁舌25的下方设有弹簧安装部28，用于连接第二复位弹簧24，如图7-8 所示。
驱动件21a和21b的结构相同，在此以驱动件21a为例进行说明。如图9所示，驱动件21a具有连接部29。连接部29与连接轴22a连接。驱动臂30垂直于连接部29从连接部29延伸出。驱动臂30的末端平行于连接部29延伸出驱动杆31。驱动杆31可伸入驱动槽26，并与驱动槽26配合，以驱动锁舌25上下运动。
操作件23a和23b的结构相同，在此以操作件23a为例进行说明。如图10所示，操作件23a具有手柄32和连接于手柄32的连接部33。手柄部32的面向底座的一侧还设有限位部34。限位部34与底座上的限位部2d配合，用于将操作件23a可转动地连接于底座2并防止操作件23a脱离底座。连接部33用于连接连接轴22a。连接部33设有横截面为多边形的内孔35。连接轴22a的一端具有相应形状的横截面。连接部33上进一步设有另一限位部36。限位部36和限位部34配合，以将操作件23a可转动地保持在底座的侧缘处。
如图11-12所示，连接轴22a和连接轴22b的结构基本相同。连接轴22a和连接轴22b的两端均设置有横截面为多边形的连接段221和222。连接轴22a和连接轴22b之间不同之处在于连接段的长度。连接轴22a的一端的连接段较长，从而能够穿过驱动件21a并深入驱动件21b一部分。
如图13-14所示，组装好后，第一连接装置9的第一连接件11安装于底座的开口槽6a。第一连接件11能够相对于底座2被拉出。第二连接装置10的第二连接件20位于底座2的开口槽8a中。操作件23a和23b分别位于侧缘5和7处。旋转操作件23a或者23b，可以使得第二连接件20的锁舌上下运动以伸出或者缩回。当第二连接件20的锁舌伸出时，如图13所示，则托盘处于可连接状态。当第二连接件20的锁舌缩回时，如图14所示，则托盘处于可分离状态。
如图15-18所示，当两个托盘处于相互连接的状态时，第一个托盘的第一连接件11相对于其底座伸出并超出底座的侧缘进入另一个托盘的开口槽并与另一个托盘的第二连接件20配合以限制两个托盘在水平方向的相对移动。同时，第一托盘的第一连接装件上的锁定件12被另一个托盘限定，以限制两个托盘在垂直方向的相对移动。
当要将两个连接状态下的托盘分离时，仅需操纵操作件23a或者23b，就能够使得第二连接件20的锁舌向下运动脱离与第一连接件11的连接。第一连接件11在其复位弹簧14的作用下缩回至第一个托盘。由此，两个托盘实现分离。
本申请的托盘可通过连接装置实现两个或更多个托盘之间的相互连接，使得多个托盘实现同步移动。当相互连接的托盘移动至目的地后，通过底座侧缘的操作件进行操作解锁，使得连接的托盘实现解锁，而不需卸载托盘上承载的物品。本申请的连接装置尤其适于需快速移动，操作便利性要求高的托盘。
以上已详细描述了本发明的较佳实施例，但应理解到，若需要，能修改实施例的方面来采用各种专利、申请和出版物的方面、特征和构思来提供另外的实施例。
考虑到上文的详细描述，能对实施例做出这些和其它变化。一般而言，在权利要求中，所用的术语不应被认为限制在说明书和权利要求中公开的具体实施例，而是应被理解为包括所有可能的实施例连同这些权利要求所享有的全部等同范围。

Claims (13)

  1. 一种托盘，所述托盘具有底座，所述底座具有两对相对的侧缘，其特征在于，所述底座进一步具有分别设置在所述底座的一对相对的侧缘处的第一连接装置和第二连接装置，其中
    所述第一连接装置包括：
    第一连接件，所述第一连接件设置成使得所述第一连接件能够相对于所述底座在第一位置与第二位置之间移动；
    所述第二连接装置包括：
    第二连接件；
    传动组件；以及
    设置在所述底座的另一对相对的侧缘处的操作件，其中所述操作件经由所述传动组件与所述第二连接件连接，并且所述操作件布置成能够操作所述第二连接件，使得所述第二连接件能够在连接位置与分离位置之间移动，
    其中，在两个托盘相互连接时，一个托盘的所述第一连接件处于所述第二位置，而另一个托盘的对应所述第二连接件处于所述连接位置，且一个托盘的所述第一连接件和另一个托盘的对应所述第二连接件相互连接。
  2. 如权利要求1所述的托盘，其特征在于，所述第一连接件设有限位结构，所述第二连接件布置成在两个托盘相互连接时与所述限位结构配合。
  3. 如权利要求1所述的托盘，其特征在于，所述第一连接件布置成能够相对于所述底座平移，或者所述第一连接件布置成能够相对于所述底座旋转。
  4. 如权利要求1所述的托盘，其特征在于，所述第一连接装置进一步包括第一限位件，所述第一限位件连接于所述第一连接件并设置成使得在两个托盘相互连接时，对一个托盘相对于另一个托盘的一个运动方向进行限制。
  5. 如权利要求1所述的托盘，其特征在于，所述第一连接装置进一步包括锁定件、锁定弹簧和第一复位弹簧，其中所述第一连接件经由所述第一复位弹簧与所述底座可移动连接，所述锁定件和所述锁定弹簧连接并均安装于所述第一连接件，使得所述锁定件能够相对于所述第一连接件伸出或缩回。
  6. 如权利要求5所述的托盘，其特征在于，所述第一连接件具有U字形结 构，U字的两臂均安装有所述第一复位弹簧，U字的底臂安装有锁定弹簧和两个所述锁定件，所述锁定件具有锁舌、操作部和弹簧安装部，其中所述锁定弹簧的两端分别安装于两个所述锁定件的弹簧安装部，并且所述锁舌伸出所述第一连接件。
  7. 如权利要求1所述的托盘，其特征在于，所述操作件具有手柄和连接于手柄的连接部，所述连接部连接于所述传动组件，所述传动组件穿过所述底座。
  8. 如权利要求1所述的托盘，其特征在于，所述传动组件具有连接轴和驱动件，其中所述连接轴的一端与所述操作件连接，另一端与所述驱动件的一端连接，所述驱动件的另一端与所述第二连接件配合以驱动所述第二连接件上下运动。
  9. 如权利要求8所述的托盘，其特征在于，所述驱动件的所述另一端具有驱动杆，所述第二连接件具有锁舌和驱动槽，其中所述驱动杆与所述驱动槽配合，以驱动所述锁舌上下运动。
  10. 如权利要求1所述的托盘，其特征在于，所述托盘进一步包括轮组件，所述轮组件安装于所述底座下侧。
  11. 如权利要求1所述的托盘，其特征在于，所述底座的安装有所述第二连接装置的侧缘的中部设有开口槽，在两个托盘相互连接时，一个托盘的第一连接装置的至少一部分位于该开口槽内。
  12. 如权利要求1所述的托盘，其特征在于，所述传动组件进一步包括第二复位弹簧，所述第二复位弹簧的一端与所述第二连接件连接，另一端抵靠所述底座。
  13. 如权利要求1所述的托盘，其特征在于，所述托盘进一步包括刹车踏板组件，所述刹车踏板组件安装于另一对相对的侧缘下部并用于控制所述轮组件的刹车。
PCT/CN2019/076708 2018-03-12 2019-03-01 托盘 WO2019174481A1 (zh)

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CN108455016B (zh) 2024-02-27

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