CN114568852A

CN114568852A - Cabinet with drawers

Info

Publication number: CN114568852A
Application number: CN202210189248.1A
Authority: CN
Inventors: 颜灵智; 王开明; 谢红伟
Original assignee: Tianjin Internet Of Clothes Ecological Technology Co ltd; Haier Smart Home Co Ltd
Current assignee: Tianjin Internet Of Clothes Ecological Technology Co ltd; Haier Smart Home Co Ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-06-03

Abstract

The invention belongs to the technical field of intelligent home furnishing, and particularly relates to a drawer cabinet. The invention aims to solve the problem of inconvenience in finding objects in a drawer cabinet. The radio frequency identification reading module and the main control module are in communication connection with each other on the cabinet body of the drawer cabinet, an electromagnetic shielding cover is arranged on the inner wall of the cabinet body, movable label carriers which correspond to the drawers arranged in the cabinet body one by one are arranged in the electromagnetic shielding cover, a corresponding first electronic label is arranged on each label carrier, each drawer enables the corresponding first electronic label to move out of the electromagnetic shielding cover when moving to the closing position, and enables the corresponding first electronic label to move into the electromagnetic shielding cover when moving to the drawing position, and the main control module enables the articles placed in the cabinet body to be associated with the drawers which move to the closing position from the drawing position according to the information of the first electronic label read by the radio frequency identification reading module and the second electronic label of the articles stored in the cabinet body. Through the arrangement, articles stored in the drawer cabinet can be found more conveniently.

Description

Cabinet with drawers

Technical Field

The invention belongs to the technical field of intelligent home furnishing, and particularly relates to a drawer cabinet.

Background

The drawer cabinet stores articles through a drawer arranged in the cabinet, and comprises a cabinet body and a drawer capable of being drawn out of and pushed back from the cabinet body, and articles are taken and placed through the drawer drawn out of the cabinet body.

In the related art, a plurality of drawers that can be drawn out and pushed back are often installed on a cabinet body of a drawer cabinet, and a user can store articles in any drawer.

However, in the drawer cabinet in the related art, when a certain target object needs to be searched for from the inside of the drawer cabinet, a user can only open the drawers one by one for searching, and it is inconvenient to search for the object stored in the drawer cabinet.

Disclosure of Invention

In order to solve the above problems in the prior art, that is, to solve the problem of inconvenience in finding the articles stored in the drawer cabinet, the present invention provides a drawer cabinet, which includes a cabinet body and a plurality of drawers installed in the cabinet body.

The cabinet body is provided with a Radio Frequency Identification reading module and a main control module, and the Radio Frequency Identification (RFID) reading module is in communication connection with the main control module.

Be equipped with the electromagnetic shield cover on the inner wall of the cabinet body, be equipped with a plurality of mobilizable label carriers with drawer one-to-one in the electromagnetic shield cover, all be equipped with corresponding first electronic tags on every label carrier, the electromagnetic shield cover is used for shielding the electromagnetic signal of first electronic tags in it.

Each label carrier is used for enabling the first electronic label on the corresponding drawer to move from the inside of the electromagnetic shielding cover to the outside of the electromagnetic shielding cover when the drawer moves from the drawing-out position to the closing position, and enabling the first electronic label on the drawer to move from the outside of the electromagnetic shielding cover to the inside of the electromagnetic shielding cover when the drawer moves from the closing position to the drawing-out position.

The radio frequency identification reading module is used for reading information of all first electronic tags outside the electromagnetic shielding cover and all second electronic tags inside the cabinet body and sending the read information to the main control module, wherein corresponding second electronic tags are arranged on each article stored inside the cabinet body.

The main control module is used for enabling the articles placed in the cabinet body to be associated with the drawer moving from the drawing-out position to the closing position according to the acquired information of the first electronic tag and the second electronic tag.

In the preferred technical scheme of the drawer cabinet, each label carrier is rotatably connected with the electromagnetic shielding case through a corresponding torsion spring.

Each label carrier is also adapted to tighten its respective torsion spring as its respective drawer moves from the extracted position to the closed position.

Each torsion spring is for resetting its respective label carrier when its respective drawer is moved from the closed position to the extracted position.

In the preferred technical scheme of above-mentioned drawer cabinet, every label carrier all includes and rotates cover, trigger bar and response pole, this trigger bar and this response pole all with this rotate cover fastening connection, and along this circumference interval arrangement who rotates the cover, every electronic tags all locates on the response pole of its label carrier that corresponds.

The electromagnetic shield cover is internally and tightly connected with a connecting shaft, and each rotating sleeve is rotatably connected with the connecting shaft through a corresponding torsion spring.

Each trigger rod is used for being pushed by the corresponding drawer when the corresponding drawer moves from the drawing-out position to the closing position, and drives the first electronic tag arranged on the corresponding induction rod to rotate from the electromagnetic shielding cover to the outside of the electromagnetic shielding cover.

Each torsion spring is used for resetting the corresponding rotating sleeve, the trigger rod and the induction rod when the corresponding drawer moves from the closed position to the drawing-out position.

In the preferable technical scheme of the drawer cabinet, the free end of each trigger rod is provided with a roller, and each roller is used for bearing the thrust of the drawer corresponding to the trigger rod provided with the roller.

In the preferred technical scheme of the drawer cabinet, the trigger rod and the induction rod of each label carrier are arranged at intervals along the axial direction of the rotating sleeve of the label carrier, and the induction rod of each label carrier is arranged at intervals along the axial direction of the rotating sleeve of the label carrier and the drawer corresponding to the label carrier.

In the above preferred technical solution of the drawer cabinet, a distance from a free end of the trigger lever of each label carrier to an axis of the rotating sleeve of the label carrier is smaller than a distance from a free end of the sensing lever of the label carrier to an axis of the rotating sleeve.

In the preferred technical scheme of the drawer cabinet, each first electronic tag is arranged at the free end of the corresponding induction rod.

In the preferred technical scheme of the drawer cabinet, the sensing rod and the trigger rod of each label carrier are straight rods.

In the preferred technical scheme of the drawer cabinet, the electromagnetic shielding cover is arranged on the first inner wall opposite to the drawer inlet and outlet of the cabinet body.

One side of the electromagnetic shielding cover facing the drawer inlet and outlet is provided with a plurality of first inlet and outlet which are in one-to-one correspondence with the trigger rods and a plurality of second inlet and outlet which are in one-to-one correspondence with the induction rods.

Each first inlet and outlet is used for enabling the corresponding trigger rod to enter and exit the electromagnetic shielding cover, and each second inlet and outlet is used for enabling the corresponding induction rod to enter and exit the electromagnetic shielding cover.

In the preferred technical scheme of above-mentioned drawer cabinet, all be equipped with spacing portion on every trigger lever, every spacing portion all is used for contradicting with first inner wall or electromagnetic shield and the relative lateral wall of first inner wall when its drawer that corresponds moves to the closed position from taking out the position to make this drawer have a safe space towards one side of first inner wall and the electromagnetic shield all the time at the interval.

In the preferred technical scheme of the drawer cabinet, the limiting part of each trigger rod is arranged at the free end of the trigger rod.

In the preferred technical scheme of above-mentioned drawer cabinet, the one end of electromagnetic shield cover is formed with the installing port, and installing port department detachable installs the end cover that is used for the closing cap installing port, and the outer terminal surface of end cover is the elastic surface.

The cabinet body includes relative second inner wall and third inner wall, and second inner wall and third inner wall all are adjacent with the lateral wall that the cabinet body was formed with the drawer and is imported and exported, and second inner wall and third inner wall compress tightly the electromagnetic shield cover fixedly through the end cover.

The drawer cabinet comprises a cabinet body and a plurality of drawers arranged in the cabinet body, wherein the cabinet body is provided with a radio frequency identification reading module and a main control module, the radio frequency identification reading module is in communication connection with the main control module, the inner wall of the cabinet body is provided with an electromagnetic shielding cover, a plurality of movable label carriers which are in one-to-one correspondence with the drawers are arranged in the electromagnetic shielding cover, each label carrier is provided with a corresponding first electronic label, the electromagnetic shielding cover is used for shielding electromagnetic signals of the first electronic label in the label carrier, each label carrier is used for enabling the first electronic label on the corresponding drawer to move from the inside of the electromagnetic shielding cover to the outside of the electromagnetic shielding cover when the corresponding drawer moves from the drawing position to the closing position, and enabling the first electronic label on the drawer to move from the outside of the electromagnetic shielding cover to the inside of the electromagnetic shielding cover when the drawer moves from the closing position to the drawing position, the radio frequency identification reading module is used for reading information of all first electronic tags outside the electromagnetic shielding cover and all second electronic tags inside the cabinet body, sending the read information to the main control module, corresponding second electronic tags are arranged on each article stored inside the cabinet body, and the main control module is used for enabling the articles placed inside the cabinet body to be associated with the drawer moving from the drawing position to the closing position according to the obtained information of the first electronic tags and the second electronic tags.

Through the arrangement, the radio frequency identification reading module can read the information of the first electronic tags corresponding to all the drawers in the closed position, but cannot read the information of the first electronic tags corresponding to the drawers in the drawn position, the drawer moving from the drawn position to the closed position can be known through the change of the read information of the first electronic tags after the articles are put in, the drawer is the drawer in which the articles are put, the newly-put articles can be known through combining the information of the second electronic tags of the articles newly-put into the cabinet body read by the radio frequency identification reading module, each time the newly-put articles can be associated with the drawer in which the articles are put, when a user wants to find a certain target article stored in the drawer cabinet later, the drawer stored by the target article can be known through the drawer associated with the target article, the article searching in the drawer cabinet is more convenient, the time for searching articles in the drawer cabinet can be greatly reduced.

Drawings

Preferred embodiments of the drawer cabinet of the present invention will be described below with reference to the accompanying drawings. The attached drawings are as follows:

fig. 1 is a schematic view of an embodiment of a chest of drawers proposed by the present invention;

fig. 2 is a schematic view of an embodiment of the drawer cabinet according to the present invention when no drawer is installed;

FIG. 3 is a schematic cross-sectional view taken along the line A-A in FIG. 2;

FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2;

fig. 5 is a schematic view of an electromagnetic shield and a tag carrier mounted therein in an embodiment of the proposed drawer cabinet, with all drawers in the extracted position;

fig. 6 is a schematic view of the electromagnetic shield and the tag carrier installed therein in an embodiment of the drawer cabinet according to the present invention, when all but the uppermost drawer is in the closed position and all the remaining drawers are in the extracted position;

fig. 7 is a schematic diagram of a position between a tag carrier corresponding to a drawer in a closed position and a first electronic tag and an electromagnetic shielding cover thereon in an embodiment of the drawer cabinet;

fig. 8 is a schematic view of a cabinet body in an embodiment of the proposed drawer cabinet;

FIG. 9 is a schematic cross-sectional view taken along plane C-C of FIG. 8;

FIG. 10 is a schematic cross-sectional view of the D-D surface of FIG. 8;

figure 11 is a schematic view of one perspective of a drawer in an embodiment of the chest of drawers proposed by the present invention;

fig. 12 is a schematic view of another perspective of a drawer in an embodiment of the chest of drawers proposed by the present invention.

In the drawings: 100. a cabinet body; 110. an inlet and an outlet of the drawer; 120. a chute; 121. a first lead-in ramp; 122. a first pilot bevel; 130. a first inner wall; 140. a second inner wall; 141. routing through holes; 150. a third inner wall; 200. a drawer; 210. a loading plate; 220. edge smoothing; 221. a second leading inclined plane; 230. a handle; 300. a radio frequency identification reading module; 400. a main control module; 500. a communication module; 600. a power supply module; 700. an electromagnetic shield; 710. a first inlet/outlet; 720. a second inlet/outlet; 730. an end cap; 731. a rib is protruded; 740. sending light; 750. a connecting shaft; 751. a limiting member; 800. a label carrier; 810. a trigger lever; 820. an induction rod; 830. rotating the sleeve; 840. a roller; 850. a limiting part; 900. a first electronic tag.

Detailed Description

First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications.

Next, it should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "inside", "outside", and the like are based on the direction or positional relationship shown in the drawings, which are merely for convenience of description, and do not indicate or imply that a device or a member must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As recorded in the background art, install the drawer cabinet of a plurality of drawers among the correlation technique, every drawer all is used for depositing article, when the user wants to look for a certain target article of depositing in the drawer cabinet, often can't observe the article situation of depositing in each drawer from the outside of drawer cabinet, after depositing for a long time, the user has also often forgotten in which drawer this target article has been deposited on the end, only can take out the drawer one by one and look for, until finding target article, it is inconvenient to look for article in the drawer cabinet, often can waste a large amount of time.

In order to solve the problems, the inventor sets a radio frequency identification reading module and a main control module on a cabinet body of a drawer cabinet, the radio frequency identification reading module is in communication connection with the main control module, an electromagnetic shielding cover is arranged on the inner wall of the cabinet body, a plurality of movable label carriers which correspond to a plurality of drawers installed in the cabinet body in a one-to-one mode are arranged in the electromagnetic shielding cover, a corresponding first electronic label is arranged on each label carrier, the electromagnetic shielding cover is used for shielding electromagnetic signals of the first electronic label in the electromagnetic shielding cover, each label carrier is used for enabling the first electronic label on the corresponding drawer to move from a drawing position to a closing position from the inside of the electromagnetic shielding cover, and enabling the first electronic label on the corresponding drawer to move from the outside of the electromagnetic shielding cover to the inside of the electromagnetic shielding cover when the corresponding drawer moves from the closing position to the drawing position, and the radio frequency identification reading module is used for reading all the first electronic labels outside of the electromagnetic shielding cover and all the first electronic labels in the cabinet body The information of the second electronic tags is sent to the main control module, corresponding second electronic tags are arranged on each article stored in the cabinet body, and the main control module is used for enabling the articles placed in the cabinet body to be associated with the drawer moving from the drawing-out position to the closing position according to the obtained information of the first electronic tags and the obtained information of the second electronic tags.

When an item is placed in a drawer of a chest of drawers, the drawer needs to be in the extracted position, and after the item is placed in the drawer, the drawer is pushed back to the closed position. Therefore, when storing an article, the drawer moved from the extracted position to the closed position is the drawer in which the article is put. The radio frequency identification reading module can read the information of the first electronic tags corresponding to all drawers in the closed position, but cannot read the information of the first electronic tags corresponding to the drawers in the extracted position, when a certain drawer moves from the extracted position to the closed position, the first electronic tags read by the radio frequency identification reading module are more than the first electronic tags read by the radio frequency identification reading module when the certain drawer is in the extracted position, the first electronic tags corresponding to the drawer are added, the drawer moving from the extracted position to the closed position can be known through the change of the read information of the first electronic tags after articles are put in, the drawer is the drawer in which the articles are put, the newly put articles can be known by combining the information of the second electronic tags of the articles newly put in the cabinet body read by the radio frequency identification reading module, and the newly put articles can be associated with the drawer in which the drawer is put each time, when a user wants to search for a certain target object stored in the drawer cabinet, the user can know the drawer stored by the target object through the drawer related to the target object, the object searching in the drawer cabinet is more convenient, and the time for searching for the object in the drawer cabinet can be greatly reduced.

The following describes a preferred embodiment of the drawer cabinet according to the present invention with reference to the accompanying drawings.

Fig. 1 is a schematic view of an embodiment of the proposed drawer cabinet, fig. 2 is a schematic view of the embodiment of the proposed drawer cabinet without a drawer installed, fig. 3 is a schematic cross-sectional view taken along a-a plane of fig. 2, and fig. 4 is a schematic cross-sectional view taken along a-B plane of fig. 2.

As shown in fig. 1 to 4, an embodiment of the drawer cabinet of the present invention specifically includes: a cabinet 100 and a plurality of drawers 200 mounted in the cabinet 100.

The cabinet 100 is provided with a radio frequency identification reading module 300 and a main control module 400, and the radio frequency identification reading module 300 is in communication connection with the main control module 400.

The inner wall of the cabinet body 100 is provided with an electromagnetic shielding cover 700, a plurality of movable label carriers 800 corresponding to the drawers 200 one by one are arranged in the electromagnetic shielding cover 700, each label carrier 800 is provided with a corresponding first electronic label 900, and the electromagnetic shielding cover 700 is used for shielding electromagnetic signals of the first electronic labels 900 therein.

Each label carrier 800 is adapted to move a first electronic label 900 thereon from within the electromagnetic shield 700 to outside the electromagnetic shield 700 when its corresponding drawer 200 is moved from the extracted position to the closed position, and to move a first electronic label 900 thereon from outside the electromagnetic shield 700 to inside the electromagnetic shield 700 when the drawer 200 is moved from the closed position to the extracted position.

The rfid reading module 300 is configured to read information of all the first electronic tags 900 outside the electromagnetic shielding case 700 and all the second electronic tags inside the cabinet 100, and send the read information to the main control module 400, where a corresponding second electronic tag is disposed on each article stored in the cabinet 100.

The main control module 400 is used for associating the articles put in the cabinet 100 with the drawer 200 moved from the withdrawing position to the closing position according to the acquired information of the first electronic tag 900 and the second electronic tag.

In the above embodiment, the rfid reading module 300 may read information of the first electronic tags 900 corresponding to all drawers 200 in the closed position, but may not read information of the first electronic tags 900 corresponding to drawers 200 in the extracted position, and may know the drawer 200 moved from the extracted position to the closed position by a change of the read information of the first electronic tags 900 after the articles are put in, where the drawer 200 is the drawer 200 in which the articles are put, and may know the newly put articles by combining information of the second electronic tags of the articles newly put in the cabinet 100 read by the rfid reading module 300, and each time a newly put article may be associated with the drawer 200 in which the newly put article is put, when a user wants to find a certain target article stored in the drawer cabinet later, the drawer 200 in which the target article is associated may be known by the drawer 200 in which the target article is associated, the article searching in the drawer cabinet is more convenient, and the time for searching the article in the drawer cabinet can be greatly reduced.

It is understood that the first electronic tag 900 and the second electronic tag are both electronic tags readable by the rfid reading module 300, the cabinet 100 and the drawer 200 do not shield electromagnetic signals between the rfid reading module 300 and the first electronic tag 900 and the second electronic tag, and the cabinet 100 and the drawer 200 may be made of non-metal materials.

The electromagnetic shield 700 may be made of a metal material.

The closed position is a position in which the drawer 200 is retracted into the cabinet 100 such that the article access opening of the drawer 200 is closed.

The drawing-out position is a position where the drawer 200 is drawn out from the cabinet 100 so that the article access opening of the drawer 200 is at least partially opened.

The drawers 200 may include an object plate 210 and front, left, right, and rear panels securely attached to an upper surface of the object plate 210, and an end of the front, left, right, and rear panels of each drawer 200 distal from the object plate 210 of that drawer 200 defines an item access opening of that drawer 200.

The drawers 200 in the cabinet 100 may be sequentially installed along a straight line, or may be installed in the cabinet 100 in a scattered manner, the electromagnetic shielding cover 700 may be installed on an inner wall of any one side of the cabinet 100, as long as it is ensured that the first electronic tag 900 on the corresponding tag carrier 800 can be moved out of the electromagnetic shielding cover 700 when each drawer 200 is moved from the pulled-out position to the closed position, and the first electronic tag 900 is moved into the electromagnetic shielding cover 700 when each drawer 200 is moved from the closed position to the pulled-out position, and the movement of the drawer 200 does not affect the movement of the first electronic tags 900 corresponding to other drawers 200. Taking a drawer cabinet which is vertically placed on the ground and the drawer 200 can move back and forth as an example, when the electromagnetic shielding cover 700 is disposed on the rear inner wall, the left inner wall or the right inner wall of the cabinet body 100, each label carrier 800 can be respectively disposed at the height position of the corresponding drawer 200; when the electromagnetic shielding case 700 is disposed on the inner wall of the upper side or the inner wall of the lower side of the cabinet 100, a protruding triggering portion may be disposed at the rear end of each drawer 200, the triggering portions of the drawers 200 are distributed in a staggered manner in the vertical direction, each label carrier 800 is disposed at the rear portion of the inner cavity of the cabinet 100 and is used for being matched with the triggering portion of the drawer 200 when the drawer 200 corresponding thereto moves to the closed position, so that the corresponding first electronic label 900 moves out of the matching portion of the electromagnetic shielding case 700, each triggering portion may only move the label carrier 800 corresponding to the drawer 200 where the triggering portion is located, and the label carriers 800 corresponding to other drawers 200 cannot move.

The tag carrier 800 can move the first electronic tag 900 thereon inside and outside the electromagnetic shield 700 by means of rotation, linear movement, and the like.

Illustratively, both ends of each label carrier 800 are respectively connected with its corresponding drawer 200 through a first pull rope and a second pull rope, the first pull rope is wound around a first reversing pulley, the second pull rope is wound around a second reversing pulley, when the drawer 200 moves from a closed position to an extracted position, one end of the drawer 200 connected with the first pull rope is far away from the first reversing pulley, one end of the drawer 200 connected with the second pull rope is near to the second reversing pulley, the drawer 200 pulls the first electronic label 900 on the label carrier 800 into the electromagnetic shielding case 700 through the first pull rope, the second pull rope moves along with the first electronic label 900, when the drawer 200 moves from the extracted position to the extracted position, one end of the drawer 200 connected with the first pull rope is near to the first reversing pulley, one end of the drawer 200 connected with the second pull rope is far away from the second reversing pulley, the drawer 200 pulls the first electronic label 900 on the label carrier 800 out of the electromagnetic shielding case 700 through the second pull rope, the first pull rope moves with the first electronic tag 900.

The item placed in the cabinet 100 may be associated with the drawer 200 that moves from the extracted position to the closed position when the item is placed therein, forming mapping data for storage in the database for later querying when seeking the item.

Item attribute information of an item put in may be associated with the drawer 200 in which the item is put. The second electronic tag of each article stores article attribute information of the article; or when each article is stored in the drawer cabinet for the first time, storing the article attribute information of the article and the label information of the second electronic label arranged on the article in a matched mode in the database.

When the drawer 200 for placing a certain target object needs to be queried, the main control module 400 may call the corresponding mapping data stored in the database according to the obtained query instruction including the object attribute information of the target object, obtain the drawer 200 for storing the target object according to the mapping data, and output a prompt instruction. The query instruction can be sent to the main control module 400 through a voice device, a mobile phone, a computer, a tablet, and the like.

The articles can be clothes, ornaments, electronic equipment and the like. The item attribute information may include one or more of type, color, style, pattern, occasion, season, gender, owner, weather, size, etc. information.

The position information or characteristic information of the inserted item and the drawer 200 in which the item is inserted may be associated, and when an object is sought, the drawer 200 may be determined according to the position or characteristic of the drawer 200 in which the target item is stored. The position information or the characteristic information of each drawer 200 is stored in the first electronic tag 900 corresponding to each drawer 200; alternatively, the position information or the characteristic information of each drawer 200 and the tag information of the first electronic tag 900 corresponding to the drawer 200 are stored in the database in advance in a paired manner.

The position information may be the order in which the cabinet 100 is installed along the drawer 200, and the characteristic information may be the shape, color, etc. of the drawer 200.

Illustratively, the main control module 400 is configured to determine the drawer 200 moved from the drawing position to the closing position according to the added information of the first electronic tags 900 when comparing all the currently acquired information of the first electronic tags 900 with all the information of the first electronic tags 900 acquired last time, and determine the articles put into the cabinet 100 according to the added information of the second electronic tags when comparing all the currently acquired information of the second electronic tags 900 with all the information of the second electronic tags acquired last time.

In some examples, the main control module 400 is further configured to determine the article taken out of the cabinet 100 according to the information of all the second electronic tags obtained currently and the information of all the second electronic tags obtained last time, and to disassociate the taken out article from the drawer 200 associated with the article.

In this manner, the relationship between the items stored in the chest and the drawer 200 may be updated after the items are removed from the chest.

It will be appreciated that each time an item is removed from or placed in the chest of drawers, the relationship between the items stored in the chest of drawers and the drawer 200 is updated.

In some examples, a mounting cavity is formed in the cabinet 100, all the drawers 200 are sequentially mounted in the mounting cavity along a first direction, a drawer access 110 is formed on one side of the mounting cavity along a second direction, and each drawer 200 is movable between an extracted position and a closed position along the second direction. Wherein the first direction is perpendicular to the second direction. With this arrangement, the drawers 200 are centrally installed in the cabinet 100, which can reduce the size of the cabinet 100.

It is understood that the drawer access 110 may include a plurality of small openings corresponding to the drawers 200, and each small opening may allow the corresponding drawer 200 to enter and exit; the drawer access opening 110 may be a large opening for all drawers 200 in the cabinet 100 to enter and exit.

The first direction may be an up-down direction or a left-right direction, and the second direction may be a front-rear direction.

In some possible embodiments, each tag carrier 800 is rotatably coupled to the electromagnetic shield 700 by a corresponding torsion spring.

Each label carrier 800 is also used to tighten the torsion spring of its corresponding label carrier 800 as its corresponding drawer 200 moves from the extracted position to the closed position.

Each torsion spring is used to reset its corresponding label carrier 800 as its corresponding drawer 200 moves from the closed position to the extracted position.

With such an arrangement, the tag carrier 800 can move the first electronic tag 900 arranged thereon inside and outside the electromagnetic shielding case 700 in a rotating manner, so that the moving distance of the tag carrier 800 in the moving direction of the drawer 200 can be reduced, which is beneficial to reducing the size of the electromagnetic shielding case 700, and further, the size of the cabinet 100 provided with the electromagnetic shielding case 700 can be reduced, and the torsion spring can automatically rotate the first electronic tag 900 on the tag carrier 800 connected with the torsion spring back into the electromagnetic shielding case 700 after the corresponding drawer 200 is drawn out, so that the structure is simple, the size is small, and the influence on the drawer 200 and other components in the cabinet 100 is small.

Fig. 5 is a schematic view of an electromagnetic shield and a tag carrier mounted therein in an embodiment of the proposed drawer cabinet when all drawers are in an extracted position, fig. 6 is a schematic view of an embodiment of the proposed drawer cabinet when the electromagnetic shield and the uppermost drawer mounted therein are in a closed position and the remaining drawers are in the extracted position, and fig. 7 is a schematic view of a position between the tag carrier and a first electronic tag mounted thereon corresponding to the drawer in the closed position and the electromagnetic shield in an embodiment of the proposed drawer cabinet.

As shown in fig. 5-7 and referring to fig. 1-3, in some possible embodiments, each tag carrier 800 includes a rotating sleeve 830, a triggering rod 810 and a sensing rod 820, the triggering rod 810 and the sensing rod 820 are fixedly connected to the rotating sleeve 830 and are arranged at intervals along the circumference of the rotating sleeve 830, and each first electronic tag 900 is disposed on the sensing rod 820 of its corresponding tag carrier 800.

A connecting shaft 750 is tightly connected in the electromagnetic shield 700, and each rotating sleeve 830 is rotatably connected with the connecting shaft 750 through a corresponding torsion spring.

Each trigger bar 810 is used for being pushed by the corresponding drawer 200 when the drawer 200 moves from the drawing-out position to the closing position, and driving the first electronic tag 900 arranged on the corresponding induction bar 820 to rotate from the electromagnetic shielding case 700 to the outside of the electromagnetic shielding case 700.

Each torsion spring is used to reset its corresponding rotating sleeve 830, trigger lever 810 and sensing lever 820 when its corresponding drawer 200 is moved from the closed position to the extracted position.

With such an arrangement, when each drawer 200 moves from the drawing position to the closing position, the trigger lever 810 of the corresponding label carrier 800 is pressed and pushed to rotate, the trigger lever 810 rotates to drive the corresponding rotating sleeve 830 and the corresponding sensing lever 820 to rotate, the first electronic label 900 arranged on the sensing lever 820 can be rotated out, and the torsion spring connected with the rotating sleeve 830 is screwed down. When each drawer 200 moves from the closed position to the drawn-out position, the drawer 200 does not touch and press the trigger lever 810 of the corresponding label carrier 800, the rotating sleeve 830 connected with the rotating sleeve 830 of the label carrier 800 can drive the rotating sleeve 830 to rotate, after the rotating sleeve 830, the trigger lever 810 and the induction lever 820 of the label carrier 800 are reset, the first electronic label 900 arranged on the induction lever 820 returns to the electromagnetic shielding cover 700, the induction lever 820 corresponding to the pushing force of the drawer 200 moving to the closed position drives the first electronic label 900 on the induction lever 820 to rotate out, no additional driving device is needed, the structure is simple, the cost is low, and the drawer 200 is not easy to damage. Meanwhile, the torsion spring can also play a role in buffering the corresponding drawer 200, and is beneficial to reducing noise and vibration generated by the impact of the drawer 200.

It will be appreciated that the trigger bar 810 of each label carrier 800 is a mating portion that mates with the trigger portion of a corresponding drawer 200.

The connecting shaft 750 may be oriented along a first direction, and the connecting shaft 750 may have limiting members 751 disposed on the rotating sleeves 830 in a one-to-one correspondence manner, where each limiting member 751 is configured to limit the corresponding rotating sleeve 830 from moving along the axial direction of the connecting shaft 750. The limiting members 751 may be snap springs or pins oriented in the radial direction of the connecting shaft 750, and when the axis of the connecting shaft 750 is vertical, the corresponding limiting members 751 may be disposed only at the lower end of the rotating sleeve 830.

The trigger bar 810, the rotating sleeve 830 and the sensing bar 820 of each label carrier 800 may be an integral structure, and the trigger bar 810 and the sensing bar 820 may also be fastened and connected to the corresponding rotating sleeve 830 by interference fit or fastening connection.

The included angle between the rotating rod of each label carrier 800 and the trigger rod 810 in the circumferential direction of the rotating sleeve 830 of the label carrier 800 can be determined according to the installation position of the label carrier 800 on the cabinet 100. For example, when the label carrier 800 is mounted on the inner wall of one side of the cabinet 100 in the third direction, an included angle between the rotating rod of the label carrier 800 and the trigger rod 810 in the circumferential direction of the rotating sleeve 830 of the label carrier 800 may be an acute angle, wherein the third direction is perpendicular to the second direction, and the third direction is perpendicular to the first direction.

When the first direction is the up-down direction and the second direction is the front-rear direction, the third direction is the left-right direction.

In some examples, each sensing rod 820 is made of a non-metallic material. In this way, the influence of the sensing rod 820 on the signal of the first electronic tag 900 disposed thereon can be reduced.

In some possible embodiments, the free end of each trigger lever 810 is provided with a roller 840, and each roller 840 is used for bearing the pushing force of the drawer 200 corresponding to the trigger lever 810 provided with the roller 840.

With such an arrangement, each drawer 200 pushes the corresponding trigger lever 810 through the corresponding roller 840, so that the risk of jamming caused by direct interference between the drawer 200 and the end of the trigger lever 810 can be reduced.

In some possible embodiments, the trigger bar 810 and the sensing bar 820 of each label carrier 800 are spaced along the axial direction of the rotating sleeve 830 of the label carrier 800, and the sensing bar 820 of each label carrier 800 is spaced along the axial direction of the rotating sleeve 830 of the label carrier 800 from the corresponding drawer 200 of the label carrier 800.

So configured, the drawer 200 can be prevented from blocking the corresponding first electronic tag 900 from being removed from the electromagnetic shielding case 700.

In some examples, in the first direction, the trigger lever 810 of each label carrier 800 is located at a middle position of its corresponding drawer 200 toward the side of the label carrier 800. In this manner, the drawer 200 pushes its corresponding trigger lever 810 more stably.

When the first direction is a vertical direction and the second direction is a front-back direction, the sensing rod 820 of each label carrier 800 may be located above the rear plate, the left side plate, and the right side plate of the drawer 200 corresponding to the label carrier 800, and the height of the rear plate, the left side plate, and the right side plate of the drawer 200 may be lower than the height of the front plate of the drawer 200.

In some possible embodiments, the distance from the free end of the trigger lever 810 of each label carrier 800 to the axis of the rotating sleeve 830 of the label carrier 800 is less than the distance from the free end of the sensing lever 820 of the label carrier 800 to the axis of the rotating sleeve 830.

With such an arrangement, the free end of the trigger lever 810 moves a smaller distance, and then the free end of the sensing lever 820 corresponding to the trigger lever 810 moves a larger distance, so that the first electronic tag 900 arranged on the sensing lever 820 can be more easily rotated out, and the rfid reading module 300 can be used for reading the first electronic tag 900 corresponding to the drawer 200 after moving to the closed position.

It will be appreciated that the length of the trigger bar 810 of each label carrier 800 may be substantially less than the length of the sensing bar 820 of that label carrier 800.

In some possible embodiments, each first electronic tag 900 is disposed at the free end of its corresponding sensing rod 820.

So set up, do benefit to rolling out first electronic tags 900.

In some examples, each first electronic tag 900 is disposed on a surface of its corresponding inductive rod 820 facing the rfid reader module 300.

So configured, the rfid reading module 300 is facilitated to read the first electronic tag 900 located outside the electromagnetic shielding case 700.

For example, when the rfid reading module 300 is disposed on the top surface of the cabinet 100, each first electronic tag 900 is disposed on the upper surface of the corresponding sensing rod 820.

In some possible embodiments, the sensing bar 820 and the triggering bar 810 of each label carrier 800 are straight bars.

With such an arrangement, the space requirement in the electromagnetic shielding case 700 can be reduced, which is beneficial to reducing the size of the electromagnetic shielding case 700, and further, the size of the cabinet 100 can be reduced.

In some possible embodiments, at least one of the sensing lever 820 and the triggering lever 810 of each tag carrier 800 is a bent lever.

In some possible embodiments, the electromagnetic shield 700 is provided on the first inner wall 130 opposite the drawer access opening 110 of the cabinet 100.

The electromagnetic shield case 700 has a plurality of first ports 710 corresponding to the triggering rods 810 one by one and a plurality of second ports 720 corresponding to the sensing rods 820 one by one on one side facing the drawer port 110.

Each first port 710 is used for allowing the corresponding triggering rod 810 to enter and exit the electromagnetic shielding case 700, and each second port 720 is used for allowing the corresponding induction rod 820 to enter and exit the electromagnetic shielding case 700.

So set up, do benefit to drawer 200 and touch its corresponding trigger bar 810, the influence of trigger bar 810 to the removal of its corresponding drawer 200 is little.

It is understood that the angle between the triggering lever 810 and the sensing lever 820 of each tag carrier 800 in the circumferential direction of the rotating sleeve 830 of the tag carrier 800 may be an obtuse angle when the electromagnetic shield 700 is disposed on the first inner wall 130.

In some possible embodiments, each trigger lever 810 is provided with a limiting portion 850, and each limiting portion 850 is used for interfering with the first inner wall 130 or a side wall of the electromagnetic shielding cover 700 opposite to the first inner wall 130 when the corresponding drawer 200 moves from the drawing-out position to the closing position, so that a safety space is always arranged between one side of the drawer 200 facing the first inner wall 130 and the electromagnetic shielding cover 700.

So configured, electromagnetic shield 700 and other equipment mounted thereon are protected.

It is understood that the separated safety space may prevent the electromagnetic shield 700 and other devices mounted thereon from being pressed by the drawer 200.

The limiting portion 850 and the corresponding trigger lever 810 may be an integral structure, or may be a split structure fastened and connected by a fastening member or the like.

The end of the electromagnetic shield 700 facing the first inner wall 130 may be an open end or a closed end. When the end of the electromagnetic shielding case 700 facing the first inner wall 130 is an open end, the limiting portion 850 is used to abut against the first inner wall 130. When the end of the electromagnetic shielding cover 700 facing the first inner wall 130 is a sealing end, the limiting portion 850 is used to abut against the side wall of the electromagnetic shielding cover 700 opposite to the first inner wall 130.

In some possible embodiments, the limiting portion 850 of each triggering lever 810 is provided at the free end of the triggering lever 810.

With this arrangement, the influence of the stopper 850 on the rotation of the trigger lever 810 on which the stopper is provided can be reduced.

In some possible embodiments, an end of the electromagnetic shield 700 is formed with a mounting opening, an end cap 730 for covering the mounting opening is detachably mounted on the mounting opening, and an outer end surface of the end cap 730 is an elastic surface.

The cabinet 100 includes a second inner wall 140 and a third inner wall 150 opposite to each other, the second inner wall 140 and the third inner wall 150 are adjacent to the side wall of the cabinet 100 where the drawer access 110 is formed, and the second inner wall 140 and the third inner wall 150 compress and fix the electromagnetic shielding case 700 through the end cap 730.

So set up, be convenient for install label carrier 800 in electromagnetic shield 700, and electromagnetic shield 700 installation is also convenient.

It is understood that the end cap 730 may be integrally formed of an elastic material such as rubber, silicon gel, etc., or the end cap 730 may be formed of a hard material such as plastic, metal, etc., and an elastic layer made of rubber, silicon gel, etc. may be formed on the outer end surface of the end cap 730.

The outer end surface of the end of the electromagnetic shield 700 opposite to the mounting opening may be an elastic surface.

When the drawer inlet/outlet 110 is located at the front end of the cabinet 100, the second inner wall 140 and the third inner wall 150 may be the left and right inner walls of the cabinet 100, or the upper and lower inner walls of the cabinet 100.

In some examples, in the second orientation, the rfid reading module 300 is located between the electromagnetic shield 700 and the drawer access opening 110. In this way, when the end cap 730 is made of non-electromagnetic shielding material such as non-metal, the risk that the rfid reading module 300 reads the first electronic tag 900 in the electromagnetic shielding case 700 through the end cap 730 can be reduced.

In some examples, the electromagnetic shield 700 is cube-shaped to fit within the interior cavity of the cabinet 100.

In some examples, the end cap 730 interfaces with the edge of the mounting opening via a rib 731 disposed on an inner end surface thereof.

It will be appreciated that the end cap 730 may be snap-fit at the mounting opening to the electromagnetic shield 700 by the ribs 731.

In some examples, the inner end surface of the end cap 730 and the inner surface of the end of the electromagnetic shield 700 opposite to the end cap 730 are formed with mounting holes for mounting the connecting shaft 750, and the connecting shaft 750 is fastened and connected with the electromagnetic shield 700 through the mounting holes at the two ends

It is understood that the mounting holes may be blind holes or through holes.

In some possible embodiments, the object plate 210 of each drawer 200 is made of a light-guiding material, and the electromagnetic shielding cover 700 is provided with spot lights 740 corresponding to the drawers 200 one by one on a side facing the drawer access 110, and each spot light 740 is configured to emit light toward the object plate 210 of the drawer 200 corresponding to the spot light 740 after receiving a lighting instruction.

So set up, when the position of a certain drawer 200 is instructed to needs, can make the shot-light 740 that this drawer 200 corresponds luminous, in the light that this shot-light 740 jetted out got into the year thing board 210 of its drawer 200 that corresponds to spread in carrying the thing board 210, the luminous thing board 210 of carrying of accessible instructs the position of drawer 200 to the user, and it is more convenient to look for article.

It can be understood that when it is required to query which drawer 200 a certain target object is placed in, the corresponding mapping data stored in the database may be called according to the obtained query instruction including the object attribute information of the target object, the drawer 200 storing the target object may be obtained according to the mapping data, and a prompt instruction may be output, where the prompt instruction includes a light-on instruction for controlling the corresponding spotlight 740 to emit light.

The light guide material can be high-transparency material such as glass, plastic, resin and the like.

Each spot light 740 may protrude from the outer surface of the electromagnetic shield 700 and may be installed in a corresponding installation groove formed on the surface of the electromagnetic shield 700.

Fig. 8 is a schematic view of the cabinet body in an embodiment of the proposed drawer cabinet, fig. 9 is a schematic sectional view of plane C-C in fig. 8, fig. 10 is a schematic sectional view of plane D-D in fig. 8, fig. 11 is a schematic view of one viewing angle of the drawer in an embodiment of the proposed drawer cabinet, and fig. 12 is a schematic view of another viewing angle of the drawer in an embodiment of the proposed drawer cabinet.

As shown in fig. 8 to 12 and referring to fig. 1 to 4, in some possible embodiments, each drawer 200 is formed with sliding ribs 220 extending along the second direction on the outer walls of the two sides of the third direction, and each drawer 200 is slidably engaged with the cabinet 100 through the sliding grooves 120 formed at the corresponding positions of the two opposite sides of the cabinet 100 by the sliding ribs 220 on the two sides of each drawer 200.

With the arrangement, the sliding fit structure of the drawers 200 and the cabinet 100 is simple, and each drawer 200 can be completely drawn out from the cabinet 100, so that articles can be conveniently taken and placed.

It is understood that each of the sliding slots 120 penetrates the side wall of the cabinet 100 to form the drawer access opening 110.

In some examples, both ends of the loading plate 210 of each drawer 200 in the third direction respectively protrude out of the side plates of the two opposite sides of the drawer 200 in the third direction, and both ends of the loading plate 210 of each drawer 200 in the third direction form the sliding edges 220.

With such an arrangement, the sliding edge 220 does not need to be additionally formed on the side plate of the drawer 200, the manufacturing is convenient, and the sliding edge 220 has high strength and is not easy to damage.

In some possible embodiments, an end of each sliding slot 120 away from the drawer access 110 is formed with a first guiding inclined surface 122, and the first guiding inclined surface 122 is configured to cooperate with an end of the sliding rib 220 in the sliding slot 120 to guide the drawer 200 where the sliding rib 220 is located to a preset position in the middle of the cabinet 100 in the third direction.

So configured, the first aligning ramp 122 aligns the drawer 200 during the process of pushing the drawer 200 back to the closed position, which reduces the deflection of the drawer 200.

In some possible embodiments, each of the sliding ribs 220 is configured to be a second guiding inclined surface 221 corresponding to the first guiding inclined surface 122 towards an end of the first guiding inclined surface 122, and the second guiding inclined surface 221 is configured to interfere with the corresponding first guiding inclined surface 122 so as to guide the drawer 200 where the sliding rib 220 is located to a preset position in the middle of the cabinet 100 in the third direction.

So set up, do benefit to the leading of drawer 200 more, also do benefit to the smooth arris 220 and insert the spout 120.

In some examples, a first guiding inclined surface 121 is formed at one end of each sliding groove 120 located at the drawer access opening 110, and the first guiding inclined surface 121 on each sliding groove 120 is used for guiding the sliding rib 220 into the sliding groove 120 in the first direction.

In some examples, a second guiding inclined surface is formed at one end of each sliding groove 120 located at the drawer access opening 110, and the second guiding inclined surface on each sliding groove 120 is used for guiding the sliding rib 220 into the sliding groove 120 in the third direction.

In some examples, the surface of each drawer 200 that is intended to face the user is provided with a pull handle 230.

In some examples, a power module 600 is further disposed on the cabinet 100, and the power module 600 is used for supplying power to the electric devices disposed on the cabinet 100.

It is understood that the powered device may include the rfid reading module 300, the main control module 400, the spotlight 740, and the like.

In some examples, a communication module 500 is further disposed on the cabinet 100, and the main control module 400 is communicatively connected to the rfid reading module 300 and all the spot lights 740 through the communication module 500.

In some examples, the main control module 400, the rfid reading module 300, the communication module 500, and the power module 600 are disposed on a top wall of the cabinet 100, and a routing through hole 141 for routing a connection line connecting devices inside and outside the cabinet 100 is formed on the top wall of the cabinet 100.

In some examples, the master control module 400, the power module 600, and the communication module 500 are integrated into one controller.

In some examples, the drawer cabinet further includes a user detection module, the user detection module is disposed on the cabinet body 100, and the user detection module is configured to control the power module 600 to supply power to the preset electric device in the cabinet body 100 when a person approaches the cabinet body 100, so that the preset electric device in the cabinet body 100 starts to operate, and when there is no person near the cabinet body 100, the power module 600 is controlled to stop supplying power to the preset electric device in the cabinet body 100. The preset electric devices may include one or more of the rfid reading module 300, the main control module 400, the spot light 740, and the like.

So set up, can be when someone is close to the cabinet body 100, to the power consumption equipment side circular telegram of presetting in the cabinet body 100, when near the cabinet body 100 does not have personnel, this power consumption equipment outage of presetting can reduce the power consumption equipment in narrow and small space long-time electrified and cause the risk of the high scheduling problem of temperature.

It is understood that the user detection module may be an image sensor, a distance sensor, etc. provided on an outer wall of the cabinet 100.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims

1. A drawer cabinet is characterized by comprising a cabinet body and a plurality of drawers arranged in the cabinet body;

the cabinet body is provided with a radio frequency identification reading module and a main control module, and the radio frequency identification reading module is in communication connection with the main control module;

an electromagnetic shielding cover is arranged on the inner wall of the cabinet body, a plurality of movable label carriers which correspond to the drawers one by one are arranged in the electromagnetic shielding cover, a corresponding first electronic label is arranged on each label carrier, and the electromagnetic shielding cover is used for shielding electromagnetic signals of the first electronic labels in the electromagnetic shielding cover;

each label carrier is used for enabling the first electronic label on the corresponding drawer to move from the inside of the electromagnetic shielding cover to the outside of the electromagnetic shielding cover when the drawer moves from the drawing-out position to the closing position, and enabling the first electronic label on the drawer to move from the outside of the electromagnetic shielding cover to the inside of the electromagnetic shielding cover when the drawer moves from the closing position to the drawing-out position;

the radio frequency identification reading module is used for reading information of all the first electronic tags outside the electromagnetic shielding cover and all the second electronic tags in the cabinet body and sending the read information to the main control module, wherein the corresponding second electronic tags are arranged on each article stored in the cabinet body;

the main control module is used for enabling the articles placed in the cabinet body to be associated with the drawer moved from the withdrawing position to the closing position according to the acquired information of the first electronic tag and the second electronic tag.

2. The chest of claim 1 wherein each of the label carriers is rotationally coupled to the electromagnetic shield by a corresponding torsion spring;

each label carrier is also used for screwing the torsion spring corresponding to the label carrier when the corresponding drawer moves from the drawing position to the closing position;

each torsion spring is used for resetting the corresponding label carrier when the corresponding drawer moves from the closing position to the drawing-out position.

3. The drawer cabinet as claimed in claim 2, wherein each of the tag carriers comprises a rotating sleeve, a triggering rod and an induction rod, the triggering rod and the induction rod are both fastened to the rotating sleeve and arranged at intervals along the circumferential direction of the rotating sleeve, and each of the first electronic tags is arranged on the induction rod of the corresponding tag carrier;

a connecting shaft is fixedly connected in the electromagnetic shielding cover, and each rotating sleeve is rotatably connected with the connecting shaft through the corresponding torsion spring;

each trigger rod is used for being pushed by the corresponding drawer when the drawer moves from the drawing-out position to the closing position, and driving the first electronic tag arranged on the corresponding induction rod to rotate from the electromagnetic shielding cover to the outside of the electromagnetic shielding cover;

each torsion spring is used for resetting the corresponding rotating sleeve, the corresponding trigger rod and the corresponding induction rod when the corresponding drawer moves from the closing position to the drawing-out position.

4. A drawer cabinet as claimed in claim 3 wherein each free end of the trigger bar is provided with a roller, each roller being adapted to bear the pushing force of the drawer corresponding to the trigger bar on which the roller is provided.

5. The chest of claim 3 wherein the trigger bar and the sensing bar of each label carrier are axially spaced along the rotating sleeve of the label carrier, and the sensing bar of each label carrier is axially spaced along the rotating sleeve of the label carrier from the corresponding drawer of the label carrier.

6. The cabinet as claimed in claim 3, wherein the distance from the free end of the triggering rod of each label carrier to the axis of the rotating sleeve of the label carrier is smaller than the distance from the free end of the sensing rod of the label carrier to the axis of the rotating sleeve, and each first electronic tag is disposed at the free end of the sensing rod corresponding to the first electronic tag.

7. The chest of claim 3 wherein the sensing bar and the trigger bar of each label carrier are straight bars.

8. The chest of any one of claims 3 to 7, wherein the electromagnetic shield is disposed on a first interior wall of the chest body opposite the drawer access opening;

a plurality of first inlets and outlets which are in one-to-one correspondence with the trigger rods and a plurality of second inlets and outlets which are in one-to-one correspondence with the induction rods are formed on one side, facing the drawer inlets and outlets, of the electromagnetic shielding cover;

9. The chest of claim 8, wherein each of the triggering rods is provided with a limiting portion, and each of the limiting portions is configured to abut against the first inner wall or a side wall of the electromagnetic shielding case opposite to the first inner wall when the corresponding drawer moves from the withdrawing position to the closing position, so that a safety space is always reserved between one side of the drawer facing the first inner wall and the electromagnetic shielding case;

the limiting part of each trigger rod is arranged at the free end of the trigger rod.

10. A drawer cabinet according to any one of claims 1 to 7, wherein a mounting opening is formed at one end of the electromagnetic shielding casing, an end cover for covering the mounting opening is detachably mounted at the mounting opening, and an outer end face of the end cover is an elastic face;

the cabinet body includes relative second inner wall and third inner wall, the second inner wall with the third inner wall all with the cabinet body is formed with the lateral wall that the drawer was imported and exported adjacent, the second inner wall with the third inner wall passes through the end cover will the electromagnetic shield compresses tightly fixedly.