CN113197439A

CN113197439A - Adjustable partitioned file archive storage cabinet

Info

Publication number: CN113197439A
Application number: CN202110618965.7A
Authority: CN
Inventors: 黄国平
Original assignee: Jiangxi Zhanyu Educational Equipment Group Co ltd
Current assignee: Jiangxi Zhanyu Educational Equipment Group Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-08-03

Abstract

The present invention relates to file storage cabinets, and more particularly to an adjustable and separable file storage cabinet. The adjustable and separable file archive storage cabinet can provide various types and spaces, can drive files to move, is convenient to search, and improves working efficiency. An adjustable partitioned file archive storage cabinet comprising: base, cupboard, partition mechanism and receiving mechanism, four sides of cupboard bottom are equipped with the base, and the cupboard opposite side is opened has 2 standing grooves, and cupboard one side is opened has the partition groove, and cupboard one side is equipped with partition mechanism, is equipped with receiving mechanism in the downside standing groove. Through the arrangement of the placing groove, the separating groove and the drawer, various files of different types are placed in a separating way, so that basic functions are realized; through setting up bright storehouse mechanism and ejecting mechanism, take out the file receiver automatically, be convenient for place and look over the file.

Description

Adjustable partitioned file archive storage cabinet

Technical Field

The present invention relates to file storage cabinets, and more particularly to an adjustable and separable file storage cabinet.

Background

When the office is in work or the computer is used for recording, the position of placing the file influences the efficiency of the office and the efficiency of the computer recording, the height of placing the file influences the visual angle of an operator, and how to simply, conveniently and stably place the file to be operated becomes one of the problems to be solved in the office operation process.

When the files are stored, all the related files of the same project or the same affair are usually placed together, so that the files are convenient to search and distinguish, however, the partition plates of the existing file cabinets and the like are fixedly arranged, the space specification of the partition plates is certain, and when the number of the related files of the same affair is small, the files cannot fill the whole space, so that the files cannot stand upright, the files are inconvenient to search, and meanwhile, the storage space is wasted.

Therefore, it is necessary to design an adjustable file storage cabinet which can provide multiple types and multiple spaces, can drive files to move, is convenient to search and improves the working efficiency.

Disclosure of Invention

The baffle in order to overcome current filing cabinet is fixed the setting, and file quantity is too much too little all can influence and deposit, inconvenient seeking, influences the shortcoming of work, the technical problem that will solve: the adjustable and separable file storage cabinet provides multiple types and multiple spaces, can drive files to move, is convenient to search, and improves the working efficiency.

The technical scheme is as follows: the utility model provides a spaced file cabinet with adjustable, includes base, cupboard, partition mechanism and receiving mechanism, and four sides of cupboard bottom are equipped with the base, and the cupboard opposite side is opened has 2 standing grooves, and cupboard one side is opened has the partition groove, and cupboard one side is equipped with partition mechanism, is equipped with receiving mechanism in the downside standing groove.

Furthermore, the partition mechanism comprises a first rotating page, a second rotating page, a rotating door and a handle, wherein 2 first rotating pages are arranged on one side of the cabinet, the second rotating page is arranged on the rotating shaft of the first rotating page, the rotating door is hinged between the second rotating pages, the handle is arranged on the rotating door, and a plurality of ventilation openings are formed in the upper portion of the rotating door.

Further, the storage mechanism comprises a baffle, a lifting groove, a sliding rail, a sliding block and a drawer, the sliding rails are symmetrically arranged on two sides of the inner wall of the lower side placing groove, the sliding blocks are placed on the sliding rails in an all-sliding mode, the drawer is connected between the sliding blocks, the baffle is arranged on one side of the drawer, and the lifting groove is formed in the upper portion of the baffle.

Further, still including bright storehouse mechanism, bright storehouse mechanism is including the axis of rotation, first hinge bar, the file receiver, the spout, the second hinge bar, guide way and division board, separation inslot inner wall middle part is equipped with the division board, separation inslot upper portion inner wall symmetry is equipped with the rotation axis, equal rotary type is equipped with first hinge bar on the rotation axis, be equipped with the file receiver on the first hinge bar of one side, open file receiver one side has the guide way, the middle part and the guide way sliding connection of the first hinge bar of opposite side, separation inslot upper portion inner wall symmetry is equipped with the spout, the slip is equipped with the second hinge bar on the spout, the second hinge bar other end all is connected with first hinge bar middle part rotary type.

Further, the push-out mechanism comprises a placing frame, a first push-out block, a guide rod, a connecting block, a second push-out block, a stress block and a fourth spring, the guide rod is arranged on the inner wall of the upper portion of the separation groove, the connecting block is arranged on the guide rod in a sliding mode, the fourth spring is connected between the connecting block and the guide rod, the first push-out block is arranged on the upper portion of the separation groove in a sliding mode, the stress block is arranged on the top of the connecting block, the second push-out block is arranged on one side of the stress block, the placing frame is placed on the bottom of the inner wall of the placing groove on the upper portion in a sliding mode, and the placing frame is connected with the first push-out block.

Further, the garage further comprises a garage door mechanism, the garage door mechanism comprises a garage door, a lifting rod, a first spring, a first wedge-shaped block, a first sliding sleeve, a sliding rod, a push plate, a second wedge-shaped block, a second spring, a positioning rod, a second sliding sleeve, a third spring and a third wedge-shaped block, the lower portion of the separation groove is provided with the garage door, one side of the garage door is provided with an observation port, one side of the separation plate is provided with the lifting rod in a sliding mode, the first spring is connected between the lifting rod and the bottom of the separation plate, the lower portion of the lifting rod is provided with the first wedge-shaped block, the inner wall of the lower portion of the separation groove is provided with the first sliding sleeve, the sliding rod is arranged on the first sliding sleeve in a sliding mode, one side of the sliding rod is provided with the push plate, the second spring is connected between the sliding rod and the first sliding sleeve, the other side of the sliding rod is provided with the second wedge-shaped block, the second wedge-shaped block is matched with the first wedge-shaped block, the second sliding sleeve is provided with the positioning rod, the third spring is connected between the positioning rod and the bottom of the second sliding sleeve, the top of the positioning rod is provided with a third wedge which is matched with the push plate.

Further, still including clamping mechanism, clamping mechanism is equipped with the card shell including card shell, fixture block and fifth spring, the baffle symmetry, and card shell one side is connected with the fifth spring, and fifth spring one side is connected with the fixture block.

Further, still including protection machanism, protection machanism is equipped with the protecting crust including protecting crust, flexible door and pull block on the upper portion of upside standing groove, and the upper portion slidingtype of upside standing groove is equipped with flexible door, and flexible door one side is equipped with the pull block.

The beneficial effects are that: through the arrangement of the placing groove, the separating groove and the drawer, various files of different types are placed in a separating way, so that basic functions are realized; the file storage box is automatically drawn out by arranging the open storage mechanism and the push-out mechanism, so that files can be conveniently placed and checked; by arranging the dark library mechanism, the private file is locked when the file storage box is drawn out, so that the file is protected; through setting up clamping mechanism, fix the small data commonly used in cupboard front side, facilitate the use.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a state diagram of the present invention in use.

Fig. 4 is a schematic perspective view of the partition mechanism of the present invention.

Fig. 5 is a schematic partial perspective view of the storage mechanism of the present invention.

Fig. 6 is an exploded view of the stowing mechanism of the invention.

Fig. 7 is a schematic perspective view of the library reading mechanism of the present invention.

Fig. 8 is an enlarged view of the present invention at a.

FIG. 9 is a state diagram of the library presentation mechanism of the present invention.

FIG. 10 is an exploded view of a portion of the library mechanism of the present invention.

Fig. 11 is a schematic perspective view of a portion of the dark library mechanism of the present invention.

Fig. 12 is a schematic perspective view of the dark library mechanism of the present invention.

FIG. 13 is an enlarged view of the present invention at B.

Fig. 14 is an exploded view of a part of the light emitting and dark bank mechanism.

Fig. 15 is a schematic perspective view of the pushing mechanism of the present invention.

Fig. 16 is an enlarged view of the present invention at C.

FIG. 17 is a perspective view of a clip mechanism of the present invention.

Fig. 18 is a perspective view of the protection mechanism of the present invention.

Part names and serial numbers in the figure: 1_ base, 2_ cabinet, 3_ placement slot, 4_ separation slot, 5_ separation mechanism, 51_ first rotating page, 52_ second rotating page, 53_ rotating door, 54_ handle, 55_ vent, 6_ storage mechanism, 61_ flap, 62_ lifting slot, 63_ slide rail, 64_ slider, 65_ drawer, 7_ warehouse mechanism, 71_ rotating shaft, 72_ first hinge rod, 73_ file storage box, 74_ slide slot, 75_ second hinge rod, 76_ guide slot, 77_ divider plate, 8_ warehouse mechanism, 81_ warehouse door, 82_ lifter, 83_ first spring, 84_ first wedge, 86_ view port, 87_ first slide sleeve, 88_ slide rod, 89_ slide rod, push plate 810_ second wedge, 811_ second spring, 812_ positioning rod, 813_ second slide sleeve, 814_ third spring, 815_ third wedge, 9_ push-out mechanism, 91_ push-out rack, 92_ first ejection block, 93_ guide rod, 94_ connecting block, 95_ second ejection block, 96_ stress block, 97_ fourth spring, 10_ clamping mechanism, 101_ clamping shell, 102_ clamping block, 103_ fifth spring, 11_ protection mechanism, 111_ protection shell, 112_ telescopic door and 113_ pulling block.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings.

Example 1

The utility model provides a spaced file archives cabinet with adjustable, as shown in fig. 1-6, including base 1, cupboard 2, partition mechanism 5 and receiving mechanism 6, four sides in 2 bottoms of cupboard are equipped with

base

1, and 2 right parts front sides of cupboard have 2 standing

grooves

3, and 2 left parts front sides of cupboard have partition groove 4, and 2 front sides of cupboard are equipped with partition mechanism 5, are equipped with receiving mechanism 6 in the downside standing groove 3.

The partition mechanism 5 comprises a first rotating leaf 51, a second rotating leaf 52, a rotating door 53 and a handle 54, wherein 2 first rotating leaves 51 are arranged on the front left side of the cabinet 2, the second rotating leaf 52 is arranged on the rotating shaft of the first rotating leaf 51, the rotating door 53 is hinged between the rear sides of the second rotating leaves 52, the handle 54 is arranged on the front right side of the rotating door 53, and a plurality of ventilation openings 55 are formed in the upper part of the rotating door 53.

The storage mechanism 6 comprises a baffle 61, a lifting groove 62, a sliding rail 63, a sliding block 64 and a drawer 65, the sliding rail 63 is symmetrically arranged on the left side and the right side of the inner wall of the lower side placing groove 3, the sliding block 64 is placed on the sliding rail 63 in a sliding mode, the drawer 65 is connected between the sliding blocks 64, the baffle 61 is arranged on the front side of the drawer 65, and the lifting groove 62 is formed in the upper portion of the baffle 61.

The user can push the handle 54 to drive the revolving door 53 to rotate and drive the separation groove 4 to be opened, then push the lifting groove 62 to drive the drawer 65 to move forwards through the baffle 61, then place different types of files in the placing groove 3, the separation groove 4 and the drawer 65 respectively, after the placement is finished, push the handle 54 to drive the revolving door 53 to rotate and reset to block the separation groove 4, and push the lifting groove 62 to drive the drawer 65 to move backwards and reset.

Example 2

On the basis of the embodiment 1, as shown in fig. 7, fig. 8, fig. 9, fig. 10, fig. 15 and fig. 16, the device further comprises a database reading mechanism 7, wherein the database reading mechanism 7 comprises a rotating shaft 71, first articulated pole 72, file receiver 73, spout 74, second articulated pole 75, guide way 76 and division board 77, separation board 77 is equipped with in the middle part of the 4 inner walls of partition groove, the symmetry is equipped with rotation axis 71 around the right side of the 4 upper portion inner walls of partition groove, equal rotary type is equipped with first articulated pole 72 on rotation axis 71, the left side of the first articulated pole 72 of front side is equipped with file receiver 73, open on the right side of file receiver 73 back has guide way 76, the middle part and the guide way 76 sliding connection of the first articulated pole 72 of rear side, the symmetry is equipped with spout 74 around the right side of the 4 upper portion inner walls of partition groove, the slidingtype is equipped with second articulated pole 75 on spout 74, the other end of second articulated pole 75 all is connected with first articulated pole 72 middle part right side rotary type.

The push-out mechanism 9 is further included, the push-out mechanism 9 comprises a placing frame 91, a first push-out block 92, a guide rod 93, a connecting block 94, a second push-out block 95, a stress block 96 and a fourth spring 97, the guide rod 93 is arranged on the right side of the inner wall of the upper portion of the separation groove 4, the connecting block 94 is arranged on the guide rod 93 in a sliding mode, the fourth spring 97 is connected between the rear side of the connecting block 94 and the guide rod 93, the first push-out block 92 is arranged on the right side of the upper portion of the separation groove 4 in a sliding mode, the stress block 96 is arranged on the top of the connecting block 94, the second push-out block 95 is arranged on the front side of the stress block 96, the placing frame 91 is arranged on the left side of the inner wall of the placing groove 3 on the upper portion in a sliding mode, and the left side of the placing frame 91 is connected with the first push-out block 92.

The user can place some documents in the placing rack 91, then push the placing rack 91 to move leftward to drive the first ejection block 92 to move leftward to contact with the second ejection block 95, the second ejection block 95 moves forward to drive the force-bearing block 96 to move forward to contact with the front first hinge rod 72, at this time, the force-bearing block 96 moves forward to drive the fourth spring 97 to be stretched through the connecting block 94, the front first hinge rod 72 moves forward to drive the document storage box 73 to rotate forward under the guiding action of the rear first hinge rod 72, so that the documents can be placed in the document storage box 73, and the documents can be conveniently checked in cooperation with the document storage box, at this time, the second hinge rod 75 slides downward in the sliding groove 74, the document storage box 73 is used, the operator pushes the placing rack 91 to move rightward to drive the first ejection block 92 to move rightward to reset, the second ejection block 95 is not stressed any more, the fourth spring 97 resets to drive the force-bearing block 96 and the second ejection block 95 to move backward through the connecting block 94 to reset, the front first hinge lever 72 is no longer stressed, and the document storage cassette 73 is manually pushed to rotate back around the front rotary shaft 71 to be reset, and at this time, the second hinge lever 75 slides in the slide groove 74 to be reset.

Example 3

On the basis of embodiment 2, as shown in fig. 11 to 14, the garage further includes a garage mechanism 8, the garage mechanism 8 includes a garage door 81, a lifting rod 82, a first spring 83, a first wedge 84, a first sliding sleeve 87, a sliding rod 88, a push plate 89, a second wedge 810, a second spring 811, a positioning rod 812, a second sliding sleeve 813, a third spring 814 and a third wedge 815, the garage door 81 is disposed on the front side of the lower portion of the partition groove 4, the right rear side of the garage door 81 is disposed with an observation port 86, the lifting rod 82 is slidably disposed on the right side of the partition plate 77, the first spring 83 is connected between the lifting rod 82 and the bottom of the partition plate 77, the first wedge 84 is disposed on the front side of the lower portion of the lifting rod 82, the first sliding sleeve 87 is disposed on the right side of the inner wall of the lower portion of the partition groove 4, the sliding rod 88 is slidably disposed on the left portion of the first sliding sleeve 87, the push plate 89 is disposed on the front side of the sliding rod 88, the second spring 811 is connected between the sliding rod 88 and the front side of the first sliding sleeve 87, the rear side of the sliding rod 88 is provided with a second wedge block 810, the second wedge block 810 is matched with the first wedge block 84, the rear right side of the vault door 81 is provided with a second sliding sleeve 813, the second sliding sleeve 813 is provided with a positioning rod 812 in a sliding mode, a third spring 814 is connected between the positioning rod 812 and the bottom of the second sliding sleeve 813, the top of the positioning rod 812 is provided with a third wedge block 815, and the third wedge block 815 is matched with the push plate 89.

The operator can push the vault door 81 to move forwards to separate from the separation groove 4, the private document is placed in the vault door, then the vault door 81 is pushed to move backwards to reset, the lifting rod 82 is extruded by the document storage box 73 to move downwards in the initial state, the first spring 83 is compressed, when the operator needs to check the common document to rotate out the document storage box 73, the lifting rod 82 is not stressed any more, the first spring 83 resets, the lifting rod 82 drives the first wedge-shaped block 84 to move upwards to be contacted with the second wedge-shaped block 810, the second wedge-shaped block 810 moves forwards to drive the push plate 89 to move forwards to be contacted with the third wedge-shaped block 815 through the sliding rod 88, the second spring 811 is stretched, the third wedge-shaped block 815 moves downwards under the stress to drive the positioning rod 812 to move downwards to clamp the separation groove 4, the third spring 814 is compressed, so that the vault door 81 can be clamped and fixed, checking can reset, the document storage box 73 can again extrude the lifting rod 82, the lifting rod 82 moves downwards to drive the first wedge block 84 to move downwards and not to extrude the second wedge block 810 any more, the second spring 811 resets to drive the push plate 89 to move backwards through the sliding rod 88 and not to extrude the third wedge block 815, and the third spring 814 resets to drive the positioning rod 812 to move upwards and not to block the separation groove 4, so that the effect of protecting the private file can be achieved.

Example 4

On the basis of embodiment 3, as shown in fig. 17 and 18, the clip mechanism 10 is further included, the clip mechanism 10 includes a clip shell 101, a clip block 102 and a fifth spring 103, the clip shell 101 is symmetrically arranged on the front side of the baffle plate 61, the fifth spring 103 is connected to the front side of the clip shell 101, and the clip block 102 is connected to the front side of the fifth spring 103.

Still including protection machanism 11, protection machanism 11 is equipped with protection shell 111, flexible door 112 and pull block 113 including protection shell 111, flexible door 112 on the left of the upper portion of upside standing groove 3, and the upper portion slidingtype of upside standing groove 3 is equipped with flexible door 112, and the right side is equipped with pull block 113 before flexible door 112.

An operator can push the fixture block 102 to move forwards to drive the fifth spring 103 to be stretched, then small materials which are frequently used are placed on the front side of the fixture shell 101, the fixture block 102 is stopped to be pushed, the fifth spring 103 resets to drive the fixture block 102 to move backwards to clamp the materials, and the use is convenient; after the file is placed on the upper part of the placing groove 3, an operator can push the pull block 113 to drive the telescopic door 112 to move rightwards to block the placing groove 3, so that the file is prevented from being accumulated with dust.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An adjustable partitioned file storage cabinet, comprising: the novel cabinet is characterized by comprising a base (1), a cabinet (2), a separating mechanism (5) and a storage mechanism (6), wherein the base (1) is arranged on four sides of the bottom of the cabinet (2), 2 placing grooves (3) are formed in the other side of the cabinet (2), the separating groove (4) is formed in one side of the cabinet (2), the separating mechanism (5) is arranged on one side of the cabinet (2), and the storage mechanism (6) is arranged in the lower side placing groove (3).

2. The adjustably compartmentalized file archive storage cabinet as recited by claim 1 wherein the partitioning mechanism (5) comprises: first rotatory page or leaf (51), second rotatory page or leaf (52), revolving door (53) and handle (54), cupboard (2) one side is equipped with 2 first rotatory pages or leaves (51), is equipped with second rotatory page or leaf (52) in the axis of rotation of first rotatory page or leaf (51), and it has revolving door (53) to articulate between second rotatory page or leaf (52), is equipped with handle (54) on revolving door (53), and revolving door (53) upper portion is opened has a plurality of vents (55).

3. The adjustably compartmentalized file archive storage cabinet as recited by claim 2 wherein said receiving mechanism (6) comprises: baffle (61), carry and draw groove (62), slide rail (63), slider (64) and drawer (65), the inner wall both sides of downside standing groove (3) all symmetry are equipped with slide rail (63), and slider (64) have all been placed to the slidingtype on slide rail (63), are connected with drawer (65) between slider (64), and drawer (65) one side is equipped with baffle (61), and open on baffle (61) upper portion has carried and draws groove (62).

4. The file archive storage cabinet with adjustable partitions as recited in claim 3, further comprising a library exposing mechanism (7), wherein the library exposing mechanism (7) comprises: the novel file storage box comprises a rotating shaft (71), first hinged rods (72), a file storage box (73), a sliding groove (74), second hinged rods (75), a guide groove (76) and a partition plate (77), the partition plate (77) is arranged in the middle of the inner wall of the partition groove (4), the rotating shaft (71) is symmetrically arranged on the inner wall of the upper portion of the partition groove (4), the first hinged rods (72) are arranged on the rotating shaft (71) in an equal rotating mode, the file storage box (73) is arranged on the first hinged rod (72) on one side, the guide groove (76) is formed in one side of the file storage box (73), the middle of the first hinged rods (72) on the other side is connected with the guide groove (76) in a sliding mode, the sliding groove (74) is symmetrically arranged on the inner wall of the upper portion of the partition groove (4), the second hinged rods (75) are arranged on the sliding groove (74) in a sliding mode, and the other ends of the second hinged rods (75) are rotatably connected with the middle of the first hinged rods (72).

5. The adjustably segmented file archive storage cabinet as claimed in claim 4, further comprising an ejection mechanism (9), the ejection mechanism (9) comprising: rack (91), first ejecting block (92), guide arm (93), connecting block (94), second ejecting block (95), atress piece (96) and fourth spring (97), it is equipped with guide arm (93) to separate cell (4) upper portion inner wall, the gliding formula is equipped with connecting block (94) on guide arm (93), be connected with fourth spring (97) between connecting block (94) and guide arm (93), it is equipped with first ejecting block (92) to separate cell (4) upper portion slidingtype, connecting block (94) top is equipped with atress piece (96), atress piece (96) one side is equipped with second ejecting block (95), rack (91) have been placed to standing groove (3) inner wall bottom slidingtype on upper portion, rack (91) are connected with first ejecting block (92).

6. The file archive storage cabinet with adjustable partitions as recited in claim 5, further comprising a dark vault mechanism (8), the dark vault mechanism (8) comprising: the garage door comprises a garage door (81), a lifting rod (82), a first spring (83), a first wedge-shaped block (84), a first sliding sleeve (87), a sliding rod (88), a push plate (89), a second wedge-shaped block (810), a second spring (811), a positioning rod (812), a second sliding sleeve (813), a third spring (814) and a third wedge-shaped block (815), wherein the garage door (81) is arranged at the lower part of a separation groove (4), an observation port (86) is formed in one side of the garage door (81), the lifting rod (82) is arranged on one side of a separation plate (77) in a sliding mode, the first spring (83) is connected between the lifting rod (82) and the bottom of the separation plate (77), the first wedge-shaped block (84) is arranged at the lower part of the lifting rod (82), the first sliding sleeve (87) is arranged on the inner wall of the lower part of the separation groove (4), the sliding rod (88) is arranged on the first sliding sleeve (87) in a sliding mode, the push plate (89) is arranged on one side of the sliding rod (88), the sliding sleeve (88), the second spring (811) is connected between the sliding sleeve (88) and the first sliding sleeve (87), the other side of the sliding rod (88) is provided with a second wedge-shaped block (810), the second wedge-shaped block (810) is matched with the first wedge-shaped block (84), one side of the garage door (81) is provided with a second sliding sleeve (813), the second sliding sleeve (813) is provided with a positioning rod (812) in a sliding mode, a third spring (814) is connected between the bottom of the positioning rod (812) and the bottom of the second sliding sleeve (813), the top of the positioning rod (812) is provided with a third wedge-shaped block (815), and the third wedge-shaped block (815) is matched with the push plate (89).

7. The file archive storage cabinet with adjustable partition as recited in claim 6, further comprising a clip mechanism (10), wherein the clip mechanism (10) comprises: the clamping device comprises a clamping shell (101), a clamping block (102) and a fifth spring (103), wherein the clamping shell (101) is symmetrically arranged on the baffle (61), the fifth spring (103) is connected to one side of the clamping shell (101), and the clamping block (102) is connected to one side of the fifth spring (103).

8. The adjustably compartmentalized file archive storage cabinet as recited by claim 7 further comprising a protective mechanism (11), said protective mechanism (11) comprising: the protective shell (111), the telescopic door (112) and the pull block (113), wherein the protective shell (111) is arranged on the upper portion of the upper side placing groove (3), the telescopic door (112) is arranged on the upper portion of the upper side placing groove (3) in a sliding mode, and the pull block (113) is arranged on one side of the telescopic door (112).