CN210681183U

CN210681183U - Link mechanism, movable ceiling and container

Info

Publication number: CN210681183U
Application number: CN201921477695.7U
Authority: CN
Inventors: 刘全
Original assignee: Beijing Jingdong Qianshi Technology Co Ltd
Current assignee: Beijing Jingdong Qianshi Technology Co Ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-06-05
Anticipated expiration: 2029-09-05

Abstract

The utility model relates to the technical field of unmanned containers, and provides a connecting rod mechanism, a movable ceiling and a container, wherein the connecting rod mechanism is used for driving a movable part to move relative to a fixed part and comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, and two ends of the first connecting rod are respectively hinged on the movable part and the fixed part; the second connecting rod is hinged on the fixed piece; the third connecting rod is hinged on the movable piece; the fourth connecting rod is hinged to the first connecting rod, and the second connecting rod, the third connecting rod and the fourth connecting rod are hinged to one point, so that when the external driving source drives the first connecting rod to rotate relative to the fixing piece, the movable piece moves relative to the fixing piece under the action of the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod. For traditional gear, chain and hold-in range drive moving part for the mounting motion, the link mechanism structure of this disclosure is simpler, and the motion is convenient, easy installation and cost are lower relatively.

Description

Link mechanism, movable ceiling and container

Technical Field

The utility model relates to an unmanned packing cupboard technical field especially relates to a link mechanism, activity ceiling and packing cupboard.

Background

At present unmanned aerial vehicle is applied to the express delivery trade and need carries out the exchange of goods with the help of unmanned on duty cabinet, for the ease of aircraft take off and land at the packing cupboard top, the packing cupboard top is equipped with the platform that takes off and land, considers the barrier propterty of unmanned on duty cabinet, and unmanned on duty cabinet top need install the protection ceiling.

The protective roofs in the prior art are mostly two, two protective roofs moving in two opposite directions to open or close the top of the container. And a drive arrangement for driving the motion of protection ceiling drives the protection ceiling to move through modes such as gear, chain, hold-in range, etc. more, the structure is complicated, moves inconveniently, and is higher to making the installation progress, has increased the cost of movable ceiling.

SUMMERY OF THE UTILITY MODEL

It is a primary object of the present disclosure to overcome at least one of the above-mentioned deficiencies of the prior art and to provide a link mechanism, a convertible top and a cargo container.

According to a first aspect of the present invention, there is provided a link mechanism for driving a movable member to move relative to a fixed member, the link mechanism comprising:

the two ends of the first connecting rod are respectively hinged on the movable part and the fixed part;

the second connecting rod is hinged on the fixing piece;

the third connecting rod is hinged on the movable piece;

and the fourth connecting rod is hinged to the first connecting rod, and the second connecting rod, the third connecting rod and the fourth connecting rod are hinged to one point, so that when the external driving source drives the first connecting rod to rotate relative to the fixing part, the movable part moves relative to the fixing part under the action of the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod.

In an embodiment of the present invention, the length between two hinge points of the first link is L1, the length between two hinge points of the second link is L2, the length between two hinge points of the third link is L3, and the length between two hinge points of the fourth link is L4;

wherein, L1 is more than L4 is more than L2 is more than L3.

In an embodiment of the present invention, the fourth connecting rod is hinged at the middle part of the first connecting rod, and is close to one end of the first connecting rod hinged with the fixing member;

the length between the hinge point of the fourth connecting rod and the first connecting rod and the hinge point of the first connecting rod and the fixing piece is L5, and L3 is greater than L5.

According to a second aspect of the present invention, there is provided a movable ceiling, including the above-mentioned link mechanism and ceiling portion, the ceiling portion is a movable member, and the ceiling portion is installed on the fixing member through the link mechanism.

In an embodiment of the present invention, the link mechanisms are provided in pairs, and the paired link mechanisms are provided on both sides of the ceiling portion, respectively.

According to the utility model discloses a third aspect provides a packing cupboard, including foretell movable ceiling and packing cupboard body, the packing cupboard body is the mounting, and the top of packing cupboard body has the opening, and the ceiling portion sets up movably relative to the packing cupboard body to shelter from or open the opening.

In an embodiment of the present invention, the container further comprises:

the driving motor is arranged in the container body and is in driving connection with the first connecting rod so as to drive the first connecting rod to rotate relative to the container body;

wherein, be provided with the mounting hole on the packing cupboard body, be provided with the heat dissipation separation blade on the mounting hole, the heat dissipation separation blade sets up with driving motor relatively.

In one embodiment of the present invention, the movable ceiling includes two ceiling portions and a plurality of link mechanisms respectively connected to the two ceiling portions, and the two ceiling portions block or open the opening in two opposite directions;

wherein, when the two ceiling parts block the opening, a part of one ceiling part is positioned below the other ceiling part.

In an embodiment of the present invention, the link mechanism is disposed outside the container body, the first connecting rod is hinged to the end of the ceiling portion, the third connecting rod is hinged to the middle of the ceiling portion, and the container further comprises:

the shielding cover is arranged on the container body, and the connecting rod mechanism is movably arranged between the shielding cover and the container body.

The utility model discloses an embodiment, the packing cupboard is unmanned packing cupboard, and the packing cupboard still includes lift platform, and lift platform sets up the inside at the packing cupboard body.

The utility model discloses a link mechanism can make the moving part rotate for the mounting through first connecting rod, second connecting rod, third connecting rod and fourth connecting rod steadily. When the movable piece is installed on the fixing piece, the movable piece is installed on the fixing piece through the first connecting rod, the second connecting rod and the third connecting rod, and the fourth connecting rod is used for transmitting motive power of the first connecting rod to the second connecting rod and the third connecting rod, so that when the first connecting rod rotates relative to the fixing piece, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod drive the movable piece to move relative to the fixing piece. For traditional gear, chain and hold-in range drive moving part for the mounting motion, the utility model discloses a link mechanism structure is simpler, and the motion is convenient, and easy installation and cost are lower relatively.

Drawings

Various objects, features and advantages of the present disclosure will become more apparent from the following detailed description of preferred embodiments thereof, which is to be read in connection with the accompanying drawings. The drawings are merely exemplary illustrations of the disclosure and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:

FIG. 1 is a schematic diagram of a container shown in a first state according to an exemplary embodiment;

FIG. 2 is a schematic diagram of a container shown in a second state according to an exemplary embodiment;

FIG. 3 is a schematic illustration of the internal structure of a first view of a container in a second state, according to an exemplary embodiment;

FIG. 4 is a schematic illustration of the internal structure of a container shown in a second view in a second state according to an exemplary embodiment;

FIG. 5 is a schematic view of a first perspective of a container in a third state, according to an exemplary embodiment;

FIG. 6 is a second perspective structural view of a container shown in a third state in accordance with an exemplary embodiment;

FIG. 7 is a schematic diagram of a linkage of a container shown in accordance with an exemplary embodiment.

The reference numerals are explained below:

10. a ceiling portion; 20. a container body; 21. an opening; 22. a heat dissipation blocking sheet; 23. a shield cover; 30. a first link; 31. a connecting rod; 32. a knuckle bearing; 40. a second link; 50. a third link; 60. a fourth link; 70. a drive motor; 80. a lifting platform.

Detailed Description

Exemplary embodiments that embody features and advantages of the present disclosure are described in detail below in the specification. It is to be understood that the disclosure is capable of various modifications in various embodiments without departing from the scope of the disclosure, and that the description and drawings are to be regarded as illustrative in nature, and not as restrictive.

In the following description of various exemplary embodiments of the disclosure, reference is made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration various exemplary structures in which aspects of the disclosure may be practiced. Other specific arrangements of systems and steps, and structural and functional modifications may be made without departing from the scope of the present disclosure. Moreover, although the terms "over", "between", "within", and the like may be used in this specification to describe various example features and elements of the disclosure, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples in the drawings. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures in order to fall within the scope of this disclosure.

An embodiment of the present invention provides a link mechanism, please refer to fig. 1 to 7, the link mechanism is used for driving the movable member to move relative to the fixed member, the link mechanism includes: the two ends of the first connecting rod 30 are respectively hinged on the movable part and the fixed part; the second connecting rod 40, the second connecting rod 40 is hinged on the fixed part; the third connecting rod 50 is hinged on the movable piece; and a fourth link 60, the fourth link 60 being hinged to the first link 30, and the second link 40, the third link 50 and the fourth link 60 being hinged at a point such that the movable member moves relative to the fixed member by the first link 30, the second link 40, the third link 50 and the fourth link 60 when the first link 30 is driven to rotate relative to the fixed member by an external driving source.

The link mechanism according to an embodiment of the present invention can stably rotate the movable member with respect to the fixed member by the first link 30, the second link 40, the third link 50, and the fourth link 60. In particular, when installed, the moveable member is mounted to the stationary member via the first link 30, the second link 40, and the third link 50, and the fourth link 60 is used to transmit the motive force of the first link 30 to the second link 40 and the third link 50, such that when the first link 30 rotates relative to the stationary member, the first link 30, the second link 40, the third link 50, and the fourth link 60 move the moveable member relative to the stationary member. For traditional gear, chain and hold-in range drive moving part for the mounting motion, the utility model discloses a link mechanism structure is simpler, and the motion is convenient, and easy installation and cost are lower relatively.

In one embodiment, each end of the first, second, third and

fourth links

30, 40, 50 and 60 is hinged to the component to which it is connected.

In one embodiment, the linkage mechanism further comprises a drive motor 70, and the drive motor 70 is drivingly connected to the first link 30 to drive the first link 30 to rotate relative to the fixed member. Among them, the driving motor 70 is an external driving source.

In one embodiment, a drive shaft of the drive motor 70 is connected to the first link 30.

As shown in fig. 5, the length between the two hinge points of the first link 30 is L1, the length between the two hinge points of the second link 40 is L2, the length between the two hinge points of the third link 50 is L3, and the length between the two hinge points of the fourth link 60 is L4; wherein, L1 is more than L4 is more than L2 is more than L3. The length relationship is such that the first link 30 and the third link 50 are spaced apart at the intersection of the moveable member and are longer than L1 in order to achieve a predetermined angular rotational relationship of the moveable member relative to the stationary member.

In one embodiment, the fourth link 60 is hinged at the middle of the first link 30 near the end of the first link 30 where the fixing member is hinged; the length between the hinge point of the fourth link 60 and the first link 30 and the hinge point of the first link 30 and the fixing piece is L5, and L3 is greater than L5.

As shown in fig. 7, the first link 30, the second link 40, the third link 50, and the fourth link 60 are all links, and each link includes: a connecting rod 31; the knuckle bearing 32 is mounted on at least one of both end portions of the connecting rod 31, and the knuckle bearing 32 is mounted on at least one of both end portions of the connecting rod 31.

In one embodiment, the connecting rods are composed of connecting rods 31 and knuckle bearings 32, i.e. at least one hinge point of each connecting rod is a central point of the knuckle bearing 32, and each connecting rod realizes basic hinge through the knuckle bearing 32.

In one embodiment, the connecting rod 31 is detachably connected with the joint bearing 32.

In one embodiment, the first link 30 includes one knuckle bearing 32 for connection to the moveable member, and the second link 40, the third link 50, and the fourth link 60 each include two knuckle bearings 32. The end of the first link 30, to which the joint bearing 32 is not attached, is supported by a bearing and then connected to an output shaft of the driving motor 70.

An embodiment of the utility model also provides a movable ceiling, including foretell link mechanism and ceiling portion 10, ceiling portion 10 is the moving part, and ceiling portion 10 passes through link mechanism and installs on the mounting.

In one embodiment, a linkage is used to mount the roof portion 10 to the fixture, i.e., the roof portion 10 is driven to move relative to the fixture by the linkage.

In one embodiment, the link mechanisms are provided in pairs, and the two link mechanisms in the pair are respectively provided on both sides of the ceiling portion 10. The paired two link mechanisms not only can stably set the ceiling portion 10 on the fixing member, but also it is more stable when driving the ceiling portion 10 to move relative to the fixing member.

In one embodiment, one linkage mechanism includes a drive motor 70, i.e., one drive motor 70 drives one linkage mechanism, and the other linkage mechanism is used as a driven mechanism.

An embodiment of the present invention further provides a container, please refer to fig. 1 to fig. 6, the container comprises the above movable ceiling and a container body 20, the container body 20 is a fixing member, the top of the container body 20 has an opening 21, and the ceiling portion 10 is movably disposed relative to the container body 20 to block or open the opening 21.

In one embodiment, the container comprises a roof portion 10, a link mechanism and a container body 20, when specifically installed, the roof portion 10 is installed on the container body 20 through a first link 30, a second link 40 and a third link 50, and a fourth link 60 is used to transmit the motive force of the first link 30 to the second link 40 and the third link 50, so that when the first link 30 rotates relative to the container body 20, the first link 30, the second link 40, the third link 50 and the fourth link 60 move the roof portion 10, thereby achieving opening and closing of the opening 21.

In one embodiment, the roof portion 10 is located at the top of the container body 20 when the roof portion 10 is in a state of covering the opening 21, and the roof portion 10 is located at the side of the container body 20 when the roof portion 10 is in a state of completely releasing the opening 21, i.e., the movement of the roof portion 10 is in a rollover movement manner.

As shown in fig. 2 and 3, the container further comprises: the driving motor 70, the driving motor 70 is arranged in the container body 20, the driving motor 70 is in driving connection with the first connecting rod 30 so as to drive the first connecting rod 30 to rotate relative to the container body 20; wherein, the container body 20 is provided with a mounting hole, the mounting hole is provided with a heat dissipation blocking piece 22, and the heat dissipation blocking piece 22 is arranged opposite to the driving motor 70.

In one embodiment, the driving motor 70 drives the first link 30 to rotate relative to the container body 20, thereby realizing the movement of the ceiling portion 10 by the first link 30, the second link 40, the third link 50 and the fourth link 60. Considering that the driving motor 70 generates a large amount of heat during the operation, the heat dissipation baffle 22 is installed on the container body 20 for dissipating the heat generated by the driving motor 70.

As shown in fig. 1, the convertible top includes two top portions 10 and a plurality of link mechanisms respectively connected to the two top portions 10, the two top portions 10 blocking or opening the opening 21 in two opposite directions; when the two ceiling portions 10 block the opening 21, a part of one ceiling portion 10 is positioned below the other ceiling portion 10.

In one embodiment, when the two ceiling portions 10 are in a state of completely blocking the opening 21, as shown in fig. 1, the end portion of one ceiling portion 10 blocks the end portion of the other ceiling portion 10. When the openings 21 are partially released from the two ceiling portions 10, the end portions of the two ceiling portions 10 are separated as shown in fig. 2 to 5. When the two ceiling portions 10 completely release the opening 21, as shown in fig. 5 and 6, the two ceiling portions 10 are located substantially on opposite sides of the container body 20.

As shown in FIG. 2, the link mechanism is provided outside the container body 20, the first link 30 is hinged to the end of the ceiling portion 10, the third link 50 is hinged to the middle portion of the ceiling portion 10, and the container further comprises: a shielding cover 23, the shielding cover 23 is arranged on the container body 20, and the connecting rod mechanism is movably arranged between the shielding cover 23 and the container body 20.

In one embodiment, the shielding cover 23 is mainly disposed to shield the first link 30, the second link 40, the third link 50 and the fourth link 60, which mainly has a protective and aesthetic effect. Here, since there are two ceiling portions 10 and 4 connecting mechanisms, there are 4 corresponding shield covers 23.

In one embodiment, as shown in FIG. 6, the container is an unmanned container, and the container further comprises a lifting platform 80, the lifting platform 80 being disposed inside the container body 20. When the unmanned aerial vehicle delivers the cargo, the ceiling portion 10 releases the opening 21, so that the unmanned aerial vehicle can drop the cargo on the lifting platform 80.

To the utility model discloses a concrete embodiment of packing cupboard:

the link mechanism is composed of a first link 30, a second link 40, a third link 50, and a fourth link 60. The second connecting rod 40, the third connecting rod 50 and the fourth connecting rod 60 are movably hinged at one position, and the other end of the third connecting rod 50 is movably hinged with the container cover (the ceiling part 10); the other end of the fourth connecting rod 60 is movably hinged with the first connecting rod 30 at the middle lower part of the first connecting rod 30, and the other end of the second connecting rod 40 is movably hinged with the container body 20. One end of the first connecting rod 30 is movably hinged with the container body 20, and the other end is movably hinged with the container cover. The number of the link mechanisms is 4, the front two groups are active link mechanisms, and the rear two groups are passive link mechanisms. The hinge of the first connecting rod 30 and the container cover in the driving connecting rod mechanism is driven by the torque output by the power device (the driving motor 70), so that the opening and closing of the container cover are realized, and the shielding or the exposure of the lifting platform 80 is realized.

The top of the container body 20 is provided with a lifting platform 80 and a shielding cover 23 which shields the connecting rod mechanism and improves the appearance. A power unit heat dissipation baffle 22 is arranged at the position where the power unit is installed.

The left container cover (one ceiling portion 10) is larger than the right container cover (the other ceiling portion 10), and when the ceiling is in the closed state, the left container cover can partially cover the right container cover, thereby playing a role of keeping out the rain.

The utility model discloses a packing cupboard, its due link mechanism have manufacturing simply, low cost's characteristics, and its kinematic chain is simple, and the fault rate is low, and stability is high. The connecting rod consists of a connecting rod and a joint bearing, and the joint bearing is utilized, so that the requirement of mechanism motion on precision is favorably reduced; meanwhile, the movable ceiling has few related parts, and is convenient to manufacture and install.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and exemplary embodiments be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A linkage mechanism for driving a moveable member relative to a stationary member, the linkage mechanism comprising:

the two ends of the first connecting rod (30) are respectively hinged to the movable part and the fixed part;

a second connecting rod (40), wherein the second connecting rod (40) is hinged on the fixed part;

a third connecting rod (50), wherein the third connecting rod (50) is hinged on the movable piece;

a fourth link (60), the fourth link (60) being hinged to the first link (30), the second link (40), the third link (50) and the fourth link (60) being hinged at a point such that when an external driving source drives the first link (30) to rotate relative to the fixed member, the movable member moves relative to the fixed member under the action of the first link (30), the second link (40), the third link (50) and the fourth link (60).

2. The linkage mechanism according to claim 1, wherein the length between the two hinge points of the first link (30) is L1, the length between the two hinge points of the second link (40) is L2, the length between the two hinge points of the third link (50) is L3, and the length between the two hinge points of the fourth link (60) is L4;

wherein, L1 is more than L4 is more than L2 is more than L3.

3. The linkage mechanism according to claim 2, wherein the fourth link (60) is hinged at a middle portion of the first link (30) near an end of the first link (30) hinged to the fixed member;

wherein the length between the hinge point of the fourth link (60) and the first link (30) and the hinge point of the first link (30) and the fixing piece is L5, and L3 > L5.

4. A movable roof, characterized by comprising the link mechanism of any one of claims 1 to 3 and a roof portion (10), the roof portion (10) being the movable member, the roof portion (10) being mounted on a fixed member by the link mechanism.

5. The sunroof according to claim 4, wherein the link mechanisms are provided in pairs, and the pair of link mechanisms are provided on both sides of the roof portion (10).

6. A tank comprising the convertible roof of claim 4 or 5 and a tank body (20), the tank body (20) being the fixture, the top of the tank body (20) having an opening (21), the roof portion (10) being movably arranged with respect to the tank body (20) to block or unblock the opening (21).

7. The tank of claim 6, further comprising:

the driving motor (70), the driving motor (70) is arranged in the container body (20), and the driving motor (70) is in driving connection with the first connecting rod (30) so as to drive the first connecting rod (30) to rotate relative to the container body (20);

the container body (20) is provided with a mounting hole, the mounting hole is provided with a heat dissipation blocking piece (22), and the heat dissipation blocking piece (22) is opposite to the driving motor (70).

8. A tank as claimed in claim 6, characterised in that the movable roof comprises two roof parts (10) and a number of link mechanisms connected to the two roof parts (10), respectively, the two roof parts (10) blocking or opening the opening (21) in two opposite directions;

wherein, when the two ceiling portions (10) block the opening (21), a part of one ceiling portion (10) is positioned below the other ceiling portion (10).

9. A tank as claimed in claim 6, characterised in that the linkage is arranged outside the tank body (20), the first link (30) being hinged to an end of the roof part (10), the third link (50) being hinged to a middle part of the roof part (10), the tank further comprising:

the shielding cover (23) is arranged on the container body (20), and the connecting rod mechanism is movably arranged between the shielding cover (23) and the container body (20).

10. The tank of claim 6, which is an unmanned tank, the tank further comprising a lifting platform (80), the lifting platform (80) being arranged inside the tank body (20).