CN216494314U - Compact safe locker - Google Patents

Compact safe locker Download PDF

Info

Publication number
CN216494314U
CN216494314U CN202220097366.5U CN202220097366U CN216494314U CN 216494314 U CN216494314 U CN 216494314U CN 202220097366 U CN202220097366 U CN 202220097366U CN 216494314 U CN216494314 U CN 216494314U
Authority
CN
China
Prior art keywords
drawer
transfer
platform
manipulator
cabinet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202220097366.5U
Other languages
Chinese (zh)
Inventor
贡仲林
束金伟
吴新军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Xunjie Cabinet Technology Co Ltd
Original Assignee
Jiangsu Xunjie Cabinet Technology Co Ltd
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 Jiangsu Xunjie Cabinet Technology Co Ltd filed Critical Jiangsu Xunjie Cabinet Technology Co Ltd
Priority to CN202220097366.5U priority Critical patent/CN216494314U/en
Application granted granted Critical
Publication of CN216494314U publication Critical patent/CN216494314U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Warehouses Or Storage Devices (AREA)

Abstract

The utility model provides a compact safe storage cabinet, which comprises: the cabinet body is internally provided with a cabinet frame and a transfer mechanism, the side edge of the cabinet frame is connected with the transfer mechanism, and a drawer is arranged in the cabinet frame and can be drawn out by the transfer mechanism; the access port is opposite to the transfer mechanism; transport mechanism includes the transfer platform, and the transfer platform passes through the guide rail and can remove between each drawer, is equipped with drawer slide rail and manipulator on the transfer platform, and the structure and the drawer phase-match of manipulator can grasp the drawer and with drawer pull to the drawer slide rail on the manipulator. The design replaces the traditional multi-door storage cabinet by the mode of the transfer mechanism and the single access port, and on one hand, the system can help users to manage stored articles more orderly; on the other hand, for scenes with higher requirements on storage safety level, corresponding anti-theft hardware is easier to install or upgrade.

Description

Compact safe locker
Technical Field
The utility model belongs to the technical field of storage cabinets, and particularly relates to a compact type safe storage cabinet.
Background
The cabinet is furniture equipment which is very common in daily life and is mainly used for storing various articles. The cabinet can be further divided into various types such as a bookcase, a wardrobe, a sundry cabinet and the like according to different use environments or use purposes. With the progress of science and technology, many enterprises have incorporated new technologies such as electronic control technology or automation technology into the conventional storage cabinet, so as to improve the convenience or safety of the cabinet in use.
Most of the existing storage cabinets adopt a multi-door mode, namely, each storage grid or each row of storage grids is provided with a cabinet door. The arrangement mode requires that the cabinets can be placed in a single row only, or a passageway wide enough is reserved between every two rows, so that the space occupation requirement is large; meanwhile, for a common storage cabinet arranged in a public place, the storage cabinet with multiple doors requires that each cabinet door needs to be provided with a lock, such as a common express cabinet, and when the safety requirement level of the storage cabinet is higher, the design of multiple doors is undoubtedly a great test on cost.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a compact safe storage cabinet which is used for solving the problems of space occupation and safety of common storage cabinets.
The present invention achieves the above technical objects by the following technical means.
A compact safe locker: the cabinet is characterized in that an access opening is formed in the outer side of the cabinet body, cabinet frames and a transfer mechanism are arranged in the cabinet body, the number of the cabinet frames is more than or equal to 1, the side edge of each cabinet frame is connected with the transfer mechanism, a plurality of grids are longitudinally arranged in the cabinet frames, matched drawers are arranged in the grids, and the drawers can be drawn out by the transfer mechanism; the access port is positioned opposite the transfer mechanism.
Furthermore, cabinet frames are arranged on two sides of the transfer mechanism, and the number of the cabinet frames on each side is more than or equal to 2; transport mechanism includes the transfer platform, and the transfer platform passes through the guide rail and can remove between each grid, is equipped with drawer slide rail and manipulator on the transfer platform, and the structure and the drawer phase-match of manipulator can grasp the drawer and with drawer pull to the drawer slide rail on the manipulator.
Further, transport mechanism still includes elevating guide and elevating platform, elevating platform swing joint on elevating guide, transport platform swing joint is on the elevating platform, and the elevating platform can follow elevating guide and reciprocate, and the transport platform can be on the elevating platform horizontal migration.
Furthermore, the lifting platform and the lifting guide rail are in transmission through a gear and rack structure, wherein a gear is connected with the lifting platform and driven by a motor, the motor is arranged on the lifting platform, and the rack is fixed on the lifting guide rail.
Further, the transfer platform passes through the sliding rail connection on the elevating platform, and the transfer platform adopts belt drive.
Furthermore, the transfer table comprises a transfer table base, the drawer slide rails are fixed on the transfer table base, the two drawer slide rails are symmetrically arranged, a mechanical arm bearing table is arranged between the two drawer slide rails, the mechanical arm bearing table is connected to the transfer table base in a sliding mode, and the sliding direction of the mechanical arm bearing table is the same as the drawing direction of the drawer; the manipulator is connected to the manipulator bearing platform in a sliding mode.
Further, the manipulator bearing platform and the transfer platform base are in transmission through a gear and rack structure, wherein a gear is arranged on the transfer platform base through a motor, and a rack is fixed on the manipulator bearing platform.
Further, the sliding of the robot on the robot platform is driven by a belt.
Furthermore, the manipulator is of a symmetrical structure, clamping jaws are arranged on two sides of the manipulator, a motor is arranged in the manipulator, and the clamping jaws are driven by the motor to lift up or fall down; a vertical plate structure matched with the clamping jaw is arranged on the side edge of the drawer; an electromagnet is further arranged between the two drawer slide rails, and the electromagnet is fixed relative to the transfer table base.
Furthermore, the outer side of the cabinet body is also provided with an operation panel which is longitudinally arranged relative to the access opening and is positioned above the access opening; the grid in the tank bracket is arranged in an inclined mode, and one side of the grid close to the transfer mechanism is relatively high.
The utility model has the beneficial effects that:
(1) the utility model provides a compact safe locker, wherein the traditional multi-door locker is replaced by a transfer mechanism and a single access port, and the access operation of articles in each storage grid inside the locker is uniformly carried out by an operation panel. On one hand, the design helps a user to manage stored articles more orderly by establishing a mode similar to electronic data without searching from each drawer blindly; on the other hand, for the scene with higher requirements on storage safety level, the storage cabinet provided by the utility model is provided with only one uniform access opening, so that the corresponding anti-theft hardware is easier to install or upgrade compared with a multi-door storage cabinet.
(2) In the compact safe locker, the plurality of the locker frames are closely arranged along the depth direction, so that the space occupation can be effectively reduced, and the design is very suitable for use scenes with partial insufficient width.
(3) The transfer mechanism is correspondingly optimized and designed so as to reduce the space occupation; the transport table moves back and forth in the horizontal direction and is adjusted to move on the lifting table directly from a common ground rail type, and the lifting table only takes charge of moving up and down, so that the guide rail taking charge of horizontal movement and a driving part thereof can be simplified and reduced; secondly, in order to reduce the space occupation in the left and right transverse directions, the transfer platform is arranged to be tightly attached to the cabinet frames on the two sides, so that the movement of the transfer platform in the left and right transverse directions is also omitted; however, the reduction of the transverse clearance between the transfer table and the cabinet frame can generate new test on how the mechanical arm can smoothly grab the drawer without interference on up-down and back-and-forth movement.
Drawings
FIG. 1 is a view showing the external structure of a storage cabinet according to the present invention;
FIG. 2 is a view showing the internal structure of the storage cabinet according to the present invention;
FIG. 3 is a structural diagram of the cabinet frame and the transfer mechanism according to the present invention;
FIG. 4 is a structural view of a transfer mechanism of the present invention;
FIG. 5 is a view showing the construction of the elevation in the transfer mechanism of the present invention;
FIG. 6 is a structural diagram between a transfer table and a lifting table in the transfer mechanism of the present invention;
FIG. 7 is a general block diagram of a transfer station according to the present invention;
FIG. 8 is a view of the internal drive configuration of the transfer table of the present invention;
FIG. 9 is a schematic view of the transfer mechanism of the present invention in a position to pull the drawer;
FIG. 10 is a schematic view of the transfer mechanism of the present invention shown in a state in which the drawer is completely pulled out;
FIG. 11 is a schematic view of the transfer mechanism of the present invention in a state of transferring a drawer to the access port;
fig. 12 is a front view of the cabinet frame of the present invention.
Reference numerals:
1-a cabinet body; 2-a control panel; 3-access port; 4-a cabinet frame;
41-drawer; 5-a transfer mechanism; 6-lifting guide rails; 61-lifting rack
7-a transfer table; 71-a robot arm; 72-drawer slide; 73-an electromagnet;
74-a robot platform; 75-a transfer table base; 76-a robot motor; 77-robot belt;
78-robot slide; 79-a stage motor;
8-a lifting platform; 81-transfer table slide rails; 82-transfer table belt; 83-a transfer table motor;
84-a lifting motor; 85-lifting driving shaft; 86-lifting drive gear.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
The storage cabinet shown in fig. 1 is integrally of a cubic structure, one side of the cabinet body 1 is provided with an operation panel 2 and an access port 3, and the operation panel 2 and the access port 3 are longitudinally arranged and arranged in the middle of the cabinet body 1; the access 3 is provided with an electric control door, and the access 3 is controlled by the control panel 2 to be opened or closed.
It is to be noted that: the control panel 2 is not limited to the touch screen form shown in the figure, and may be replaced by any other existing hardware form capable of playing a control effect, for example, a form of a solid key + an indicator light.
As shown in fig. 2, a cabinet frame 4 and a transfer mechanism 5 are arranged inside the cabinet body 1; wherein the transfer mechanism 5 is arranged in the middle and is opposite to the access port 3; the tank bracket 4 is arranged on two sides of the transfer mechanism 5, and each side is provided with two tank brackets 4.
It is to be noted that: the control panel 2 is not necessarily disposed at the middle position opposite to the transfer mechanism 5, and the control panel 2 may be disposed at the left or right side and horizontally arranged with respect to the access port 3. Only the access port 3 must be provided at a position opposite to the transfer mechanism 5. Since the gap around the transferring mechanism 5 is larger than the area of the cabinet frame 4, the operation panel 2 is disposed at the middle position in the embodiment for the sake of space utilization maximization and industrial aesthetic design, and the operation of "top operation, bottom access" is more consistent with the usage habit of the general people.
As shown in fig. 3, a plurality of grills are longitudinally arranged in the cabinet frame 4, each grille is provided with a corresponding drawer 41, and the drawer 41 can be drawn out from one side close to the transfer mechanism 5. The transfer mechanism 5 is fixed on the side edge of the cabinet frame 4 through a cubic outer frame.
The transfer mechanism 5 shown in fig. 4 includes a lifting guide rail 6, a transfer table 7 and a lifting table 8; the lifting guide rails 6 are symmetrically arranged, the lifting table 8 is connected to the lifting guide rails 6, and the lifting table 8 can move up and down along the lifting guide rails 6; the transfer table 7 is arranged on the lifting table 8 and can move back and forth on the lifting table 8 along the horizontal direction.
As shown in fig. 5, a transfer table motor 83 and a lifting motor 84 are respectively arranged at the bottom of the lifting table 8; the lifting motor 84 is connected with a lifting driving shaft 85, two ends of the lifting driving shaft 85 are respectively provided with a lifting driving gear 86, correspondingly, the lifting guide rail 6 is provided with a lifting rack 61, and the lifting driving gear 86 is matched with the lifting rack 61, so that under the driving of the lifting motor 84, the lifting driving gear 86 rolls along the lifting rack 61, and the lifting platform 8 is driven to move upwards or downwards.
As shown in fig. 6, two transfer table slide rails 81 are symmetrically arranged on the upper surface of the lifting table 8, a transfer table belt 82 is arranged between the two transfer table slide rails 81, and the transfer table belt 82 is connected with the transfer table motor 83. The transfer table 7 is connected to the transfer table slide rail 81 in a sliding manner and is also connected with a transfer table belt 82; thus, under the driving of the transfer table motor 83, the transfer table belt 82 drives the transfer table 7 to move forward or backward along the transfer table slide rail 81.
To sum up, fig. 3 to 6, through the up-down and front-back two ascending movable structures, that is, the up-down movable structure of the elevating guide rail 6 along the elevating platform 8, the front-back movable structure of the transfer platform 7 along the elevating platform 8, make the transfer platform 7 can move to the side position of each drawer 41 in the cabinet frame 4.
As shown in fig. 7, in the transfer table 7, a drawer slide 72 is disposed on the transfer table base 75, and the structural size of the drawer slide 72 matches the drawer 41, that is, the drawer 41 can be smoothly pulled out to the drawer slide 72; certainly, in order to ensure the stress balance, the drawer slide rails 72 are symmetrically arranged, and meanwhile, in order to ensure the smoothness of the drawing of the drawer 41, a plurality of rollers are arranged on the drawer slide rails 72, and such structural designs all belong to the prior art of drawers, and therefore, the details are not repeated herein. A mechanical arm bearing platform 74 is arranged between the two drawer slide rails 72, the mechanical arm bearing platform 72 is connected to the transfer platform base 75 in a sliding mode, and the sliding direction of the mechanical arm bearing platform is the same as the drawing direction of the drawer 41; the robot 71 is slidably connected to the robot support 74, and the sliding direction of the robot 71 is the same as the drawing direction of the drawer 41. An electromagnet 73 is also arranged between the two drawer slide rails 72, and the electromagnet 73 is fixed and immovable relative to the transfer table base 75.
As shown in fig. 8, a bearing platform motor 79 is fixedly connected to the transfer platform base 75, a gear is arranged on an output shaft of the bearing platform motor 79, and correspondingly, a rack is arranged on the side edge of the manipulator bearing platform 74, so that the manipulator bearing platform 74 is driven to slide by the bearing platform motor 79 under the cooperation of the gear and the rack. A manipulator slide rail 78 is arranged on the upper surface of the manipulator bearing platform 74, and the manipulator 71 is connected to the manipulator slide rail 78 in a sliding manner; a manipulator motor 76 and a manipulator belt 77 are arranged on one side of the manipulator bearing platform 74, an output shaft of the manipulator motor 76 is connected with a belt pulley of the manipulator belt 77, the manipulator belt 77 is connected with the manipulator 71, and thus the manipulator belt 77 drives the manipulator 71 to move along the manipulator slide rail 78 under the driving of the manipulator motor 76.
The manipulator 71 is of a bilaterally symmetrical structure, the left side and the right side of the manipulator are both provided with clamping jaws, and a motor is arranged in the manipulator 71 and drives the clamping jaws to lift up or fall down through the motor; correspondingly, the side edge of the drawer 41 is provided with a vertical plate structure matched with the clamping jaw, so that when the clamping jaw is lifted, the clamping jaw can clamp the side edge of the drawer 41 from bottom to top.
To sum up with fig. 7 to 8, theoretically, in order to pull the drawer 41 into the transfer table 7, only the left and right movement of the manipulator 71 needs to be realized, that is, the manipulator 71 can move along the pulling direction of the drawer 41. However, in the present invention, in order to reduce the space occupation to the maximum and reduce the gap between the cabinet frame 4 and the transfer mechanism 5 as much as possible, two structures of the robot platform 74 and the electromagnet 73 capable of moving left and right are added.
As shown in fig. 9, after receiving the command issued by the control panel 2, the transfer table 7 moves to the side of the target drawer 41, and then the robot supporting table 74 moves to one side of the cabinet frame 4, and then the robot 71 moves along the robot supporting table 74 to the lower side of the drawer 41, because of the practical space structure limitation, at this time, at most, the claw close to one side (i.e. the left side in the figure) of the cabinet frame 4 can only be used for clamping the side of the drawer 41, and after the robot 71 grasps the drawer 41, the drawer 41 is pulled out in the reverse direction, and meanwhile, the robot supporting table 74 is also recovered synchronously.
As shown in fig. 10, when the robot 71 moves to the head, the electromagnet 73 is energized to generate a magnetic attraction force to firmly hold the drawer 41, and then the robot 71 drops and adjusts its position to engage with the other claw on the side of the drawer 41, and when the robot 71 again holds the drawer 41, the electromagnet 73 is de-energized to release the drawer 41, and finally the drawer 41 is completely pulled into the transfer table 7 by the robot 71. In order to ensure that the electromagnet 73 can smoothly adsorb the drawer 41, the drawer 41 should be made of iron as a whole, or an iron sheet should be additionally installed at the bottom of the drawer 41 corresponding to the electromagnet 73.
As shown in fig. 11, when the transfer table 7 obtains the target drawer 41, it moves to the position of the access port 3 for the user to access the article.
To ensure that the drawers 41 can be inserted completely into the cabinet frame 4 when the drawers 41 are returned, the individual drawer grills in the cabinet frame 4 are arranged in a slightly inclined position, as shown in fig. 12, with one side closer to the transfer device 5 being higher than the other.
The above embodiment is a preferred embodiment for explaining the technical solution of the present invention, and therefore, some specific structural designs are not considered to limit the present invention, and in order to realize the basic functions of the present invention, the cabinet frames 4 may be arranged only on one side of the transfer mechanism 5, or the two rows of cabinet frames 4 in the above embodiment may be changed into 1 row, 3 rows, 4 rows, etc.; of course, if only 1 row of cabinet frames 4 is provided, the movable structure between the transfer table 7 and the lifting table 8 can be eliminated, i.e. the transfer table 7 can move back and forth in the horizontal direction.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The present invention is not limited to the above-described embodiments, and any obvious modifications, substitutions or alterations can be made by those skilled in the art without departing from the spirit of the present invention.

Claims (10)

1. A compact safe locker characterized in that: the cabinet is characterized in that a storing and taking opening (3) is formed in the outer side of the cabinet body (1), cabinet frames (4) and a transfer mechanism (5) are arranged in the cabinet body (1), the number of the cabinet frames (4) is more than or equal to 1, the side edge of each cabinet frame (4) is connected with the transfer mechanism (5), a plurality of grids are longitudinally arranged in the cabinet frames (4), matched drawers (41) are arranged in the grids, and the drawers (41) can be taken out by the transfer mechanism (5); the access opening (3) is opposite to the transfer mechanism (5).
2. The compact secure locker of claim 1 wherein: the two sides of the transfer mechanism (5) are respectively provided with a cabinet frame (4), and the number of the cabinet frames (4) on each side is more than or equal to 2; transport mechanism (5) are including transport table (7), and transport table (7) can remove between each grid through the guide rail, are equipped with drawer slide rail (72) and manipulator (71) on transport table (7), and the structure and drawer (41) phase-match of manipulator (71), and drawer (41) can be grabbed and drawer (41) pull to drawer slide rail (72) is gone up in manipulator (71).
3. The compact secure locker of claim 2 wherein: transport mechanism (5) still include elevating guide (6) and elevating platform (8), elevating platform (8) swing joint on elevating guide (6), transfer platform (7) swing joint is on elevating platform (8), and elevating platform (8) can be followed elevating guide (6) and reciprocated, and transfer platform (7) can be on elevating platform (8) horizontal migration.
4. The compact secure locker of claim 3 wherein: the lifting platform (8) and the lifting guide rail (6) are in transmission through a gear-rack structure, wherein a gear is connected with the lifting platform (8) and is driven by a motor, the motor is arranged on the lifting platform (8), and the rack is fixed on the lifting guide rail (6).
5. The compact secure locker of claim 3 wherein: the transfer table (7) is connected to the lifting table (8) through a sliding rail, and the transfer table (7) is driven by a belt.
6. The compact secure locker of claim 4 or claim 5 wherein: the transfer table (7) comprises a transfer table base (75), the drawer slide rails (72) are fixed on the transfer table base (75), the drawer slide rails (72) are symmetrically arranged, the mechanical arm bearing table (74) is arranged between the two drawer slide rails (72), the mechanical arm bearing table (74) is connected to the transfer table base (75) in a sliding mode, and the sliding direction of the mechanical arm bearing table is the same as the drawing direction of the drawer (41); the manipulator (71) is connected to the manipulator bearing platform (74) in a sliding mode.
7. The compact secure locker of claim 6 wherein: the manipulator bearing platform (74) and the transfer platform base (75) are in transmission through a gear and rack structure, wherein a gear is arranged on the transfer platform base (75) through a motor, and a rack is fixed on the manipulator bearing platform (74).
8. The compact secure locker of claim 6 wherein: the sliding of the robot (71) on the robot platform (74) is driven by a belt.
9. The compact secure locker of claim 6 wherein: the manipulator (71) is of a symmetrical structure, clamping jaws are arranged on two sides of the manipulator, a motor is arranged in the manipulator (71), and the clamping jaws are driven by the motor to lift up or fall down; a vertical plate structure matched with the clamping jaw is arranged on the side edge of the drawer (41); an electromagnet (73) is further arranged between the two drawer slide rails (72), and the electromagnet (73) is fixed relative to the transfer table base (75).
10. The compact secure locker of claim 2 wherein: the outer side of the cabinet body (1) is also provided with a control panel (2), the control panel (2) is longitudinally arranged relative to the access opening (3), and the control panel (2) is positioned above the access opening (3); the grating in the cabinet frame (4) is obliquely arranged, wherein one side close to the transfer mechanism (5) is relatively higher.
CN202220097366.5U 2022-01-14 2022-01-14 Compact safe locker Active CN216494314U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220097366.5U CN216494314U (en) 2022-01-14 2022-01-14 Compact safe locker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220097366.5U CN216494314U (en) 2022-01-14 2022-01-14 Compact safe locker

Publications (1)

Publication Number Publication Date
CN216494314U true CN216494314U (en) 2022-05-13

Family

ID=81518244

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220097366.5U Active CN216494314U (en) 2022-01-14 2022-01-14 Compact safe locker

Country Status (1)

Country Link
CN (1) CN216494314U (en)

Similar Documents

Publication Publication Date Title
KR100662405B1 (en) Picking out device of drawer type
CN108968454A (en) A kind of Intelligent storage cabinet
CN110013127A (en) One kind can bidirectional access drawer type storage cabinet
CN216494314U (en) Compact safe locker
JP3232196U (en) Automatic storage shelves
CN210747991U (en) Opening mechanism and old article transaction device thereof
CN208480849U (en) A kind of intelligent article fetching device
CN109253581B (en) Storage device
CN111731743A (en) Intelligent refrigeration house
CN109552749A (en) A kind of storage structures of merchandising machine people
CN111311849A (en) Laminated book intelligent automatic access device and control method thereof
CN206314807U (en) Intelligent storage cabinet
CN111202368B (en) Intelligent distribution locker
CN211459398U (en) Intelligent distribution locker
CN2624142Y (en) Storage box for refrigerator
CN217695617U (en) Lifting wall cabinet
CN210220374U (en) Storage drawer and refrigerator
CN111789411A (en) Modular independently opened and closed horizontal bookshelf device and control method thereof
CN214904885U (en) Stainless steel filing cabinet
CN216612614U (en) Automatic electric energy meter turnover cabinet
CN213444504U (en) A storage mechanism for intelligent freezer
CN211212516U (en) Tray type intelligent letter bag box
CN216875546U (en) Lifting type file cabinet for medical security bureau
CN220423699U (en) Commodity circulation company is with letter package case convenient to get goods
CN213444505U (en) A tongs system for intelligent freezer

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant