CN207810152U - A kind of transmission device - Google Patents
A kind of transmission device Download PDFInfo
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- CN207810152U CN207810152U CN201721890711.6U CN201721890711U CN207810152U CN 207810152 U CN207810152 U CN 207810152U CN 201721890711 U CN201721890711 U CN 201721890711U CN 207810152 U CN207810152 U CN 207810152U
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Abstract
本实用新型公开了一种传动装置，涉及物流技术领域。该传动装置的一具体实施方式包括：一种传动装置，包括：至少两个传动部；其中，每个所述传动部与置于所述传动装置上的被传动件的至少一部分接触，以使所述被传动件悬空；所述至少两个传动部的传动方向平行；所述至少两个传动部中的至少之一为能驱动所述被传动件沿所述传动方向移动的驱动传动部。本实用新型实施例能够防止被传动件受外力影响而偏离摆放位置，实现对被传动件的规范化和自动化管理。
The utility model discloses a transmission device, which relates to the technical field of logistics. A specific embodiment of the transmission device includes: a transmission device, including: at least two transmission parts; wherein, each of the transmission parts is in contact with at least a part of the driven member placed on the transmission device, so that The transmitted part is suspended; the transmission directions of the at least two transmission parts are parallel; at least one of the at least two transmission parts is a driving transmission part capable of driving the transmitted part to move along the transmission direction. The embodiment of the utility model can prevent the driven parts from being affected by external force and deviate from the placement position, and realize the standardized and automatic management of the driven parts.
Description
Technical Field
The invention relates to the technical field of logistics, in particular to a transmission device.
Background
The cage vehicle is also called a cargo cage vehicle and a turnover vehicle, is a unit moving container device provided with casters and used for transporting and storing materials, and is commonly used for material turnover and storage. Only the temporary storage area of the cage car is planned in the current logistics industry, and the management of the cage car is still extensive.
In the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art:
(1) in the actual production process, the castors are arranged at the bottom of the cage trolley, so that the cage trolley is easily influenced by external force and deviates from the placing position when placed on a horizontal ground, the random placing of the cage trolley is large, and the automatic operation is inconvenient;
(2) at present, the management of the temporary storage area cage cars still needs to arrange workers for management, and the management is time-consuming and labor-consuming.
Disclosure of Invention
In view of this, embodiments of the present invention provide a transmission device, which can prevent a driven member from deviating from a placement position due to an external force, and achieve standardization and automation management of the driven member.
To achieve the above object, according to an aspect of an embodiment of the present invention, there is provided a transmission device including: at least two transmission parts; wherein,
each transmission part is contacted with at least one part of a driven piece arranged on the transmission device so as to suspend the driven piece;
the transmission directions of the at least two transmission parts are parallel; at least one of the at least two transmission parts is a driving transmission part capable of driving the driven part to move along the transmission direction.
Optionally, at least one of the at least two transmission parts is an auxiliary transmission part; the driven member can slide along the auxiliary transmission part under the driving of the driving transmission part.
Optionally, the drive transmission comprises: the transmission chain assembly and the power assembly are used for driving the transmission chain assembly to rotate; and/or, the auxiliary transmission part comprises: the auxiliary body and the auxiliary assembly are rotatably arranged on the auxiliary body.
Optionally, the apparatus in the embodiment of the present invention further includes: and the supporting part is used for supporting the transmission part and/or adjusting the height and the inclination angle of the transmission part.
Optionally, the apparatus in the embodiment of the present invention further includes: and the limiting part is arranged on the side edge of the transmission part and used for limiting the displacement of the driven part relative to the transmission part.
Optionally, each of the transmission parts carries one of the transmitted members.
Optionally, the apparatus in the embodiment of the present invention further includes: and the detection part is arranged on the driving transmission part and used for detecting the relative position between the driven part and the driving transmission part.
Optionally, the apparatus in the embodiment of the present invention further includes: and the control part is communicated with the driving transmission part and the detection part and is used for controlling the driving transmission part to start or stop according to the relative position.
Alternatively,
if the detection part detects that a part of the driven part is in contact with the driving transmission part, a first signal is sent to the control part; the control part controls the driving transmission part to start according to the first signal, and drives the driven part to move along the transmission direction;
if the driven member moves to a preset position along the transmission direction, the detection part sends a second signal to the control part; the control part controls the driving transmission part to stop according to the second signal, and the driven part is static relative to the driving transmission part.
Optionally, a plurality of the drive transmission parts are sequentially arranged along the transmission direction;
for any one preceding drive transmission part, if the detection part on the preceding drive transmission part detects that no driven part exists on the preceding drive transmission part, a third signal is sent to the control part;
and the control part controls the rear driving transmission part to start according to the third signal, and the driven part driving the rear driving transmission part moves to the front driving transmission part along the transmission direction.
One embodiment of the above invention has the following advantages or benefits:
(1) the transmission device comprising at least two transmission parts is adopted to contain the driven parts, so that the driven parts can be prevented from deviating from the placing positions; at least one of the at least two transmission parts is a driving transmission part which can drive the driven part to move, so that the driven part can be conveniently transferred;
(2) at least one of the at least two transmission parts is an auxiliary transmission part, so that the number of driving transmission parts can be reduced, the structure of the transmission device is simplified, and the cost of the transmission device is reduced;
(3) the chain assembly is adopted to drive the driven part, so that the structure is simple and the cost is low; the auxiliary assembly is rotatably arranged on the auxiliary body, so that the friction between the driven part and the auxiliary transmission part in the moving process of the driven part can be greatly reduced, the driven part can slide conveniently, and the auxiliary assembly is simple in structure and low in cost;
(4) the supporting part is arranged, so that the transmission part can be supported, and the height and the inclination angle of the transmission part can be conveniently adjusted according to practical application scenes;
(5) the limiting part is arranged to limit the displacement of the driven part relative to the transmission part and prevent the driven part from falling off from the transmission device;
(6) each transmission part bears one driven part, so that unitized management can be realized, and the combined design can be conveniently carried out according to actual needs;
(7) the detection part is arranged, so that the relative position between the driven part and the driving transmission part can be detected, and whether the driven part is contained on the transmission part or not can be known in time;
(8) the control part is arranged and can control the driving transmission part to start or stop, so that the driven part can be managed automatically;
(9) when the contact between one part of the driven part and the driving transmission part is detected, the driving transmission part can be controlled to drive the driven part to a proper position through control, the driven part is prevented from falling off from the transmission device, and the driven part is convenient to take and place;
(10) when the driven member on the front driving transmission part is taken away, the driven member on the rear driving transmission part moves forwards in sequence, and the dequeuing function of the combined device is realized.
Further effects of the above-mentioned non-conventional alternatives will be described below in connection with the embodiments.
Drawings
The drawings are included to provide a better understanding of the invention and are not to be construed as unduly limiting the invention. Wherein:
FIG. 1 is a schematic diagram of the principal components of a transmission according to some embodiments of the present invention;
FIG. 2 is a schematic diagram of a transmission containing driven members according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the principal components of a transmission according to still other embodiments of the present invention;
FIG. 4 is a principal component schematic diagram of a drive transmission according to an embodiment of the present invention;
fig. 5 is a schematic view of the main components of the auxiliary transmission according to the embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention are described below with reference to the accompanying drawings, in which various details of embodiments of the invention are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.
The embodiment of the invention adopts the transmission device comprising at least two transmission parts to contain the driven parts, so that the driven parts can be prevented from deviating from the placing positions; adopt drive transmission portion drive to be moved by the driving medium, be convenient for realize by the transportation of driving medium.
The transmission according to the embodiment of the present invention will be described in detail with reference to fig. 1 to 5.
FIG. 1 is a schematic diagram of the principal components of a transmission according to some embodiments of the present invention. As shown in fig. 1, the transmission 100 of the embodiment of the present invention includes at least two transmission portions;
each transmission part is contacted with at least one part of a driven piece arranged on the transmission device so as to suspend the driven piece;
the transmission directions of the at least two transmission parts are parallel; at least one of the at least two transmission parts is a driving transmission part 101 capable of driving the driven part to move along the transmission direction.
Adopt the transmission device who includes two at least transmission portions to hold by the driving medium, can avoid by the skew locating position of driving medium. Make at least one of at least two transmission parts be drive transmission part, can drive driven piece and remove along the transmission direction, be convenient for realize driven piece's transportation.
Each of the at least two transmission portions may be arranged to drive the transmission portion to increase the driving force of the overall transmission. In an alternative embodiment, at least one of the at least two transmission portions is an auxiliary transmission portion 102; the driven member can slide along the auxiliary transmission portion 102 under the drive of the drive transmission portion 101. At least one of the at least two transmission parts is an auxiliary transmission part, so that the number of the driving transmission parts can be reduced, the structure of the transmission device is simplified, and the cost of the transmission device is reduced.
It should be noted that the driven member in the embodiment of the present invention may be a movable member, such as a cage cart with casters at the bottom, or an immovable member, such as a box for containing or transferring materials.
Taking a cage car as an example of the driven member, fig. 2 is a schematic diagram of the transmission device according to the embodiment of the invention for containing the driven member. As shown in fig. 2, the cage 201 is placed on the transmission device, a part of the bottom of the cage 201 abuts against the drive transmission unit 101, and the other part of the bottom of the cage 201 abuts against the auxiliary transmission unit 102. The caster 2011 of the cage 201 is suspended under the supporting action of the driving transmission part 101 and the auxiliary transmission part 102. Because the caster wheels of the cage trolley are suspended, the cage trolley can not deviate from the placing position under the action of external force. The friction force between the bottom of the cage trolley and the transmission device can also prevent the cage trolley from deviating from the placing position to a certain extent. When the cage 201 needs to be moved, the cage 201 can be driven to move along the transmission direction through the driving transmission part 101, and the cage 201 can slide on the auxiliary transmission part 102 under the driving action of the driving transmission part 101.
In the prior art, cage cars are easily influenced by external force and deviate from the placement position, so that each cage car is difficult to be placed in one direction, and the fork-taking angle of a forklift needs to be continuously adjusted in the process of taking goods from the cage cars; for an AGV (automated guided Vehicle), if a large error exists between the position of the cage car and the standard position, the pickup failure is directly caused. In this application, the transmission including two at least transmission portions is adopted to hold and transport the cage car, can prevent the skew locating position of cage car, the automation mechanized operation of being convenient for, especially be convenient for fork truck and AGV get put operation and route planning.
As shown in fig. 4, the drive transmission part 101 may include: a transmission chain assembly 1011, and a power assembly 1012 for driving the transmission chain assembly 1011 to rotate. The transmission chain assembly is an assembly capable of transmitting power to a driven member by a chain under power driving so as to move the driven member. The transmission chain assembly is adopted to drive the driven part, so that the structure is simple and the cost is low.
As shown in fig. 5, the auxiliary transmission part 102 may include: an auxiliary body 1022, and an auxiliary component 1021 rotatably disposed on the auxiliary body 1022. The structure and the installation manner of the auxiliary component 1021 in the embodiment of the present invention are not particularly limited, as long as the auxiliary component 1021 is rotatably disposed on the auxiliary body 1022 and can rotate relative to the auxiliary body 1022. Alternatively, the auxiliary component 1021 may be a roller, a bearing, or another component that is disposed on the auxiliary body 1022 and can rotate relative to the auxiliary body 1022. By rotatably arranging the auxiliary component 1021 on the auxiliary body 1022, friction between the driven member and the auxiliary transmission part 102 during movement of the driven member can be greatly reduced, sliding of the driven member is facilitated, and the structure is simple and low in cost.
The apparatus of the embodiment of the present invention may further include: and the supporting part is arranged below the transmission part and is used for supporting the transmission and/or adjusting the height and the inclination angle of the transmission part. The supporting part is arranged, so that the height of the transmission part can be adjusted conveniently according to practical application scenes, and the application range of the transmission device provided by the embodiment of the invention is expanded. As shown in fig. 4, a support portion 105 is provided below the driving transmission portion 101 to support the driving transmission portion 101 and/or to adjust the height and inclination of the driving transmission portion 101. As shown in fig. 5, a support portion 105' is provided below the auxiliary transmission portion 102 to support the auxiliary transmission portion 102 and/or to adjust the height and inclination of the auxiliary transmission portion 102.
The apparatus of the embodiment of the present invention may further include: and the limiting part is arranged on the side edge of the transmission part and used for limiting the displacement of the driven part relative to the transmission part. Set up spacing portion, can restrict the relative transmission portion's of driven piece displacement, prevent that driven piece from droing from transmission device. As shown in fig. 1, a limiting portion 104 is disposed on a side of the driving transmission portion 101 to limit the displacement of the driven member relative to the driving transmission portion 101. As shown in fig. 1 and 3, the side of the auxiliary transmission part 102 is provided with a limiting part 104' to limit the displacement of the driven member relative to the auxiliary transmission part 102. It should be noted that, for each transmission portion, the stopper portion may be provided on both sides of the transmission portion, or the stopper portion may be provided only on one side.
In practical application, the number of the driven members carried by each transmission part can be determined according to the driving force of each driving transmission part and the weight of the driven members. The number of the driven members carried by each transmission part refers to the number of the driven members which can be simultaneously carried by each transmission part. In some embodiments, each transmission part carries one transmitted piece. Each transmission part bears one driven part, so that unitized management can be realized, and the combined design can be conveniently carried out according to actual needs. The transmission part for carrying the same driven member is taken as a unit. The adoption of unitized management, on one hand, compared with the carrying of a plurality of driven parts, each unit has smaller volume when carrying one driven part, and when only one driven part is arranged, the occupied area can be greatly reduced, and the energy consumption of the transmission device during operation is reduced. On the other hand, when a plurality of driven parts exist, a proper number of units can be selected according to actual requirements, and arrangement modes of the units are convenient to set according to the actual requirements. In addition, when a certain driving transmission part has a fault, only the driven part on the driving transmission part with the fault needs to be taken down, and compared with the condition that a plurality of driven parts are borne, the maintenance and the management are convenient.
In an alternative embodiment shown in fig. 3, the transmission may comprise one auxiliary transmission 102, and a plurality of drive transmissions 101, 101', 101 ". The structure of the transmission device can be greatly simplified and the installation is convenient by sharing one auxiliary transmission part by a plurality of driving transmission parts.
The apparatus of the embodiment of the present invention may further include: and the detection part is used for detecting the relative position between the driven part and the driving transmission part. The number and direction of the detection portions are set with reference to the length of the transmission device, the height of the driven member, and the moving distance. The position of the detection part can also be set according to actual conditions, as long as the detection part can be used for detecting the relative position between the driven part and the driving transmission part. In the embodiment shown in fig. 1 and 3, the detection portion 103 is provided on the stopper portion 104. The detection part 103 may be disposed on the driving transmission part 101 or disposed at a side of the driving transmission part 101 by those skilled in the art. Set up the relative position that detection portion can detect between driven piece and the drive transmission portion, whether be convenient for in time know the transmission portion on hold by the driven piece and whether move to suitable position by the driven piece in the drive transmission portion.
The apparatus of the embodiment of the present invention may further include: and a control part (not shown in the figure) which is communicated with the driving transmission part and the detection part and is used for controlling the driving transmission part to start or stop according to the relative position. The control part is arranged, the driving transmission part can be controlled to start or stop, and automatic management of the driven parts is facilitated.
In some embodiments, if the detection portion detects that a part of the driven member is in contact with the driving transmission portion, a first signal is sent to the control portion; the control part controls the driving transmission part to start according to the first signal, and drives the driven part to move along the transmission direction; if the driven member moves to a preset position along the transmission direction, the detection part sends a second signal to the control part; the control part controls the driving transmission part to stop according to the second signal, and the driven part is static relative to the driving transmission part.
For example, an infrared distance measuring sensor is used as the detection unit, and the detection unit is provided at the forefront of the drive transmission unit. When a driven part is placed on a transmission device by manual or automatic equipment, if the distance between the infrared distance measuring sensor and the driven part (the distance between the infrared distance measuring sensor and the driven part is detected by the infrared distance measuring sensor and serves as an index for representing the relative position between the driven part and a driving transmission part) is at the set maximum distance, the infrared distance measuring sensor sends a PLC signal for starting the driving transmission part to a control part, the control part controls a driving power component (such as a motor) to rotate according to the PLC signal, and the driving power component rotates to drive a transmission chain component to rotate, so that the driven part is driven to move forwards; when the infrared distance measuring sensor detects that the distance between the driven part and the infrared distance measuring sensor reaches the set minimum distance, the infrared distance measuring sensor sends a PLC signal for stopping driving the transmission part to the control part, the control part controls the driving power component (such as a motor) to stop rotating according to the PLC signal, and the driven part is static relative to the driving transmission part.
When the contact of a part of the driven member with the driving transmission part is detected, the driving transmission part is controlled to rotate through the control part, the driven member is driven to a proper position of the driving transmission part, the driven member can be prevented from falling off from the transmission device, and the driven member is convenient to take and place.
In other embodiments, a plurality of the drive transmission portions are sequentially arranged along the transmission direction;
for any one preceding drive transmission part, if the detection part on the preceding drive transmission part detects that no driven part exists on the preceding drive transmission part, a third signal is sent to the control part;
and the control part controls the rear driving transmission part to start according to the third signal, and the driven part driving the rear driving transmission part moves to the front driving transmission part along the transmission direction.
According to the embodiment of the invention, after the driven part on the front driving transmission part is taken away, the driven part on the rear driving transmission part is sequentially moved forwards, so that the dequeuing function of the combined device is realized, the moving distance of an automatic forklift, especially an AGV forklift, is reduced, and the complexity of a moving route is reduced. In addition, the dequeue and enqueue functions provided by the transmission device provided by the embodiment of the invention only need to be operated at two ends of the transmission device by workers or automatic equipment, and the operation is convenient.
In the embodiment of the invention, the data detected by the detection part provides a data basis for the fine management of the temporary storage area of the driven part, and the data can be combined with a corresponding software system to be applied to a highly-automatic intelligent logistics center.
In an alternative embodiment shown in fig. 1 and 3, the side of the transmission part 101 may also be provided with a wire box 1013. Since the transmission directions of the respective transmission parts are parallel in the embodiment of the present invention, the electric wires can be routed between the transmission part 101 and the wire box 1013 along the transmission directions, and the routing manner is simple.
According to the technical solution of the embodiment of the present invention,
(1) the transmission device comprising at least two transmission parts is adopted to contain the driven parts, so that the driven parts can be prevented from deviating from the placing positions; at least one of the at least two transmission parts is a driving transmission part which can drive the driven part to move, so that the driven part can be conveniently transferred;
(2) at least one of the at least two transmission parts is an auxiliary transmission part, so that the number of driving transmission parts can be reduced, the structure of the transmission device is simplified, and the cost of the transmission device is reduced;
(3) the chain assembly is adopted to drive the driven part, so that the structure is simple and the cost is low; the auxiliary assembly is rotatably arranged on the auxiliary body, so that the friction between the driven part and the auxiliary transmission part in the moving process of the driven part can be greatly reduced, the driven part can slide conveniently, and the auxiliary assembly is simple in structure and low in cost;
(4) the supporting part is arranged, so that the transmission part can be supported, and the height and the inclination angle of the transmission part can be conveniently adjusted according to practical application scenes;
(5) the limiting part is arranged to limit the displacement of the driven part relative to the transmission part and prevent the driven part from falling off from the transmission device;
(6) each transmission part bears one driven part, so that unitized management can be realized, and the combined design can be conveniently carried out according to actual needs;
(7) the detection part is arranged, so that the relative position between the driven part and the driving transmission part can be detected, and whether the driven part is contained on the transmission part or not can be known in time;
(8) the control part is arranged and can control the driving transmission part to start or stop, so that the driven part can be managed automatically;
(9) when the contact between one part of the driven part and the driving transmission part is detected, the driving transmission part can be controlled to drive the driven part to a proper position through control, the driven part is prevented from falling off from the transmission device, and the driven part is convenient to take and place;
(10) when the driven member on the front driving transmission part is taken away, the driven member on the rear driving transmission part moves forwards in sequence, and the dequeuing function of the combined device is realized.
The above-described embodiments should not be construed as limiting the scope of the invention. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A transmission (100), comprising: at least two transmission parts; wherein,
each transmission part is contacted with at least one part of a driven piece arranged on the transmission device so as to suspend the driven piece;
the transmission directions of the at least two transmission parts are parallel; at least one of the at least two transmission parts is a driving transmission part (101) capable of driving the driven part to move along the transmission direction.
2. The device according to claim 1, characterized in that at least one of the at least two transmission parts is an auxiliary transmission part (102); the driven member can slide along the auxiliary transmission part (102) under the driving of the driving transmission part (101).
3. The device according to claim 2, wherein the drive transmission (101) comprises: the transmission chain assembly (1011) and a power assembly (1012) for driving the transmission chain assembly (1011) to rotate; and/or the auxiliary transmission part (102) comprises: an auxiliary body (1022), and an auxiliary component (1021) rotatably disposed on the auxiliary body.
4. The apparatus of claim 1, further comprising: and the supporting part (105) is arranged below the transmission part and is used for supporting the transmission part and/or adjusting the height and the inclination angle of the transmission part.
5. The apparatus of claim 1, further comprising: and the limiting part (104) is arranged on the side edge of the transmission part and used for limiting the displacement of the driven part relative to the transmission part.
6. A device according to any one of claims 1 to 5, wherein each of said drive parts carries one of said driven members.
7. The apparatus of claim 6, further comprising: a detection part (103) for detecting the relative position between the driven member and the drive transmission part (101).
8. The apparatus of claim 7, further comprising: and the control part is communicated with the driving transmission part (101) and the detection part (103) and is used for controlling the driving transmission part (101) to start or stop according to the relative position.
9. The apparatus of claim 8,
if the detection part (103) detects that a part of the driven part is in contact with the driving transmission part (101), a first signal is sent to the control part; the control part controls a driving transmission part (101) to start according to the first signal, and drives the driven part to move along the transmission direction;
if the driven member moves to a preset position along the transmission direction, the detection part sends a second signal to the control part; the control part controls the driving transmission part (101) to stop according to the second signal, and the driven part is static relative to the driving transmission part (101).
10. The device according to claim 8, characterized in that a plurality of drive transmission portions (101) are arranged in sequence along the transmission direction;
for any one preceding drive transmission part, if the detection part on the preceding drive transmission part detects that no driven part exists on the preceding drive transmission part, a third signal is sent to the control part;
and the control part controls the rear driving transmission part to start according to the third signal, and the driven part driving the rear driving transmission part moves to the front driving transmission part along the transmission direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721890711.6U CN207810152U (en) | 2017-12-28 | 2017-12-28 | A kind of transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721890711.6U CN207810152U (en) | 2017-12-28 | 2017-12-28 | A kind of transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207810152U true CN207810152U (en) | 2018-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721890711.6U Active CN207810152U (en) | 2017-12-28 | 2017-12-28 | A kind of transmission device |
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| Country | Link |
|---|---|
| CN (1) | CN207810152U (en) |
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2017
- 2017-12-28 CN CN201721890711.6U patent/CN207810152U/en active Active
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Effective date of registration: 20190711 Address after: 100086 6th Floor, Zhichun Road, Haidian District, Beijing Patentee after: Beijing Jingdong Zhenshi Information Technology Co.,Ltd. Address before: 100080 First Floor 101, No. 2 Building, No. 20 Courtyard, Suzhou Street, Haidian District, Beijing Patentee before: Beijing Jingbangda Trading Co.,Ltd. Effective date of registration: 20190711 Address after: 100080 First Floor 101, No. 2 Building, No. 20 Courtyard, Suzhou Street, Haidian District, Beijing Patentee after: Beijing Jingbangda Trading Co.,Ltd. Address before: 100195 Beijing Haidian Xingshikou Road 65 West Cedar Creative Garden 4 District 11 Building East 1-4 Floor West 1-4 Floor Co-patentee before: BEIJING JINGDONG CENTURY TRADING Co.,Ltd. Patentee before: BEIJING JINGDONG SHANGKE INFORMATION TECHNOLOGY Co.,Ltd. |
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