CN112545207A

CN112545207A - Convenient folding express delivery parcel storage rack

Info

Publication number: CN112545207A
Application number: CN202011392315.7A
Authority: CN
Inventors: 张莉
Original assignee: Wenzhou Hongdun Advertising Design Co ltd
Current assignee: Wenzhou Hongdun Advertising Design Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-03-26

Abstract

The invention relates to the field of express storage racks, in particular to an express parcel storage rack convenient to fold, which comprises a folding mechanism, a supporting mechanism, a hook mechanism, an identification mechanism and a limiting mechanism; can expand its use when using the storage rack through folding mechanism's setting, the use flexibility ratio of storage rack has been improved, set up through supporting mechanism and play the supporting role to the inside rotating part of folding mechanism, make things convenient for folding mechanism to keep the state of using, avoid the unexpected rotation of folding mechanism internal part through stop gear's setting, folding mechanism's safety in utilization has been guaranteed, can play the marking effect to the parcel that leaves on the storage rack through the setting of hook mechanism and increase the joining in marriage hanging point of storage rack, the result of use of storage rack has been improved.

Description

Convenient folding express delivery parcel storage rack

Technical Field

The invention relates to the field of express storage racks, in particular to an express package storage rack convenient to fold.

Background

Express delivery storage rack is used for putting the stretcher of express delivery parcel in the commodity circulation post house, and the universal application is put in some in the post house, puts emphasis on the upwards development more, and make full use of storage space, the maximum height can reach more than 40 meters. Generally, the height of a supermarket shelf is taken as a standard, and a common shelf is generally 3-5 meters.

At present, the commodity circulation express delivery trade is booming to be developed, corresponding express delivery parcel is also increasing day by day, for dealing with the arrival of sudden electricity merchant shopping festival, dedicated express delivery storage rack has generally been prepared at the post house in advance, however traditional storage rack is fixed the arrangement mostly, can not accomodate along with the reduction of work load and deposit reduction occupation space, and traditional storage rack does not have dedicated identification means mostly, thereby the efficiency of seeking the parcel has been reduced.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides the express package storage rack convenient to fold.

The technical scheme adopted by the invention for solving the technical problems is as follows: convenient folding express delivery parcel storage rack, including folding mechanism, supporting mechanism, couple mechanism, identification mechanism and stop gear, it is right to be used for folding expansion of being convenient for to deposit the express delivery parcel is located to folding mechanism one side of folding mechanism is used for increasing folding mechanism hangs the point couple mechanism locates folding mechanism's both sides are used for conveniently replacing quick discernment sign identification mechanism is equipped with a plurality ofly, just identification mechanism locates folding mechanism's inside is used for right folding mechanism's top rotating-part carries out spacing fixed stop gear locates folding mechanism's top.

Specifically, folding mechanism is including arrangement frame, first pivot, folded sheet and roof, arrangement frame is equipped with two sets ofly, every group arrangement frame is equipped with two, and is with a set ofly be fixed with between the arrangement frame first pivot, it has to rotate on the lateral wall of first pivot the folded sheet, two of same level rotate each other between the folded sheet and connect, be located the top rotate on the lateral wall of first pivot and have the roof, the other end block of roof is in another one first pivot.

It is specific, couple mechanism includes mount, recess, card frame, couple and lug, with a set of two be fixed with a plurality of different level heights that lie in between the arrangement frame the mount, one side inside of mount is equipped with a plurality ofly the recess, the block has on the lateral wall of mount the card frame, the other end of card frame rotates to have the couple, the couple orientation one side of card frame is fixed with the lug, just the lug card with near inside the recess, the lug with the diameter of recess equals.

Specifically, the supporting mechanism includes second pivot, first connecting rod, second connecting rod, sliding sleeve and fixture block, two of same horizontal plane run through between the folded sheet have the second pivot, the second pivot rotate in the folded sheet, it is a plurality of the one end of second pivot is rotated jointly and is had first connecting rod is close to it has to slide on the lateral wall on first connecting rod top the sliding sleeve, the sliding sleeve with it has to rotate between the mount frame the second connecting rod, sliding sleeve and top be equipped with between the folded sheet the fixture block, the bottom of fixture block rotate in sliding sleeve and top block in two between the folded sheet.

Specifically, stop gear includes spout, operation piece, slide bar, second spring and kelly, the inside of roof is equipped with the spout, the inside of spout slides and has the operation piece, the one end of operation piece is fixed with slide bar and the other end are fixed with the kelly, the slide bar with the kelly slide respectively in the inside of roof, the winding has on the lateral wall of slide bar the second spring, the one end of second spring is fixed in on the lateral wall of operation piece and the other end be fixed in on the inner wall of spout.

Specifically, sign mechanism includes display panel, sealing strip, third pivot, third connecting rod, fourth connecting rod, slider, first spring and arrangement groove, the bottom of folded sheet is rotated and is had the display panel, the inside of display panel is equipped with arrangement groove, arrangement groove's both ends are rotated respectively and are had one the sealing strip, the bottom mounting of sealing strip has the third pivot, the one end of third pivot is fixed with the third connecting rod, one side of display panel slides and has the slider, the bottom mounting of slider has first spring, the bottom mounting of first spring has on the inner wall of display panel, the slider with rotate between the third connecting rod and have the fourth connecting rod.

The invention has the beneficial effects that:

(1) the express parcel storage rack convenient to fold can be unfolded for use when the storage rack is used through the arrangement of the folding mechanism, can be folded and stored when not used, improves the use flexibility of the storage rack, the supporting mechanism is arranged on one side of the folding mechanism, and can support a rotating part in the folding mechanism through the arrangement of the supporting mechanism so as to avoid accidental rotation and folding of the folding mechanism and be convenient for the folding mechanism to keep a use state, namely, as a plurality of folding plates are rotatably connected with the placement rack through a first rotating shaft and are also mutually rotatably connected, the storage rack can be conveniently switched according to use requirements through the rotary arrangement of the folding plates, the unfolded folding plates are convenient for placing various suitable express parcels, and in addition, the arrangement of the top plate can play a primary supporting role on the placement racks, and then can expand the use with it when using the storage rack, but collapsible accomodating again when need not the use, the use flexibility ratio of storage rack has been improved, because along with the expansion of mount frame, first connecting rod and second connecting rod also take place to rotate thereupon, the sliding sleeve directly slides on the lateral wall of first connecting rod, after expansion folding mechanism finishes, the fixture block on the sliding sleeve deflects the top of folded sheet this moment, utilize the fixture block to be spacing at the preset position of first connecting rod with the sliding sleeve, thereby play further supporting role to folding mechanism's structure, and then play the supporting role to folding mechanism's inside rotating member, avoid its unexpected rotation folding, make things convenient for folding mechanism to keep in user state, strengthen its structural strength.

(2) The invention relates to an express parcel storage rack convenient to fold, wherein a limiting mechanism is arranged at the top end of a folding mechanism, the accidental rotation of parts in the folding mechanism is avoided through the arrangement of the limiting mechanism, the use safety of the folding mechanism is ensured, a plurality of marking mechanisms are arranged, and the marking mechanism is arranged in the folding mechanism, so that the marking function on parcels stored on the storage rack can be realized through the arrangement of the marking mechanism, the wrong parcels are avoided, and the identification speed is improved, namely, when one end of a top plate needs to be deflected to the side wall of one first rotating shaft to be clamped, an operating block is pushed to slide towards one end of a sliding groove at the moment, the operating block compresses a second spring along the sliding rod and drives a clamping rod at one end, the first rotating shaft can be clamped in the top plate at the moment, the operating block is not kept, and the clamping rod locks the clamping position of the top plate due to the automatic resetting of the, thereby avoid the roof accident to break away from first pivot, and then avoid the unexpected rotation of folding mechanism inner part, folding mechanism's safety in utilization has been guaranteed, promptly because the display panel is made by transparent material, when the inside identification card of display panel needs to be replaced, then press the slider behind the display panel, the slider drives the fourth connecting rod of both sides in compressing the gliding while of first spring, the fourth connecting rod is contradicted the third connecting rod afterwards, make the third connecting rod drive the sealing strip of display panel both sides, can insert the inside of resettlement groove with new identification card this moment, and old identification card is from the opposite side roll-off of resettlement groove, do not press the slider, the sealing strip rotates the initial position again, and then can play the sign effect to the parcel that leaves on the storage rack, avoid taking the wrong parcel and improve recognition speed.

(3) According to the express parcel storage rack convenient to fold, the hook mechanisms are arranged on two sides of the folding mechanism, the hanging points of the storage rack are increased through the arrangement of the hook mechanisms, and the positions of the hanging points can be freely adjusted along with users, so that the using effect of the storage rack is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of the overall structure of a preferred embodiment of an express storage rack with easy-to-replace identification according to the present invention;

FIG. 2 is a schematic view of the connection structure of the folding mechanism and the support mechanism shown in FIG. 1;

FIG. 3 is a schematic view of the connection of the folding mechanism and the identification mechanism shown in FIG. 1;

FIG. 4 is a schematic structural view of the identification mechanism shown in FIG. 1;

FIG. 5 is a schematic structural view of the hook mechanism shown in FIG. 1;

FIG. 6 is a schematic view of the connection structure of the folding mechanism and the limiting mechanism shown in FIG. 1;

FIG. 7 is an enlarged view of portion A of FIG. 1;

fig. 8 is an enlarged view of the portion B shown in fig. 1.

In the figure: 1. the folding mechanism 11, the placing frame 12, the first rotating shaft 13, the folding plate 14, the top plate 2, the supporting mechanism 21, the second rotating shaft 22, the first connecting rod 23, the second connecting rod 24, the sliding sleeve 25, the clamping block 3, the hook mechanism 31, the fixing frame 32, the groove 33, the clamping frame 34, the hook 35, the projection 4, the marking mechanism 41, the display plate 42, the sealing strip 43, the third rotating shaft 44, the third connecting rod 45, the fourth connecting rod 46, the sliding block 47, the first spring 48, the placing groove 5, the limiting mechanism 51, the sliding groove 52, the operating block 53, the sliding rod 54, the second spring 55 and the clamping rod.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-8, the express parcel storage rack convenient to fold comprises a folding mechanism 1, a supporting mechanism 2, a hook mechanism 3, a plurality of identification mechanisms 4 and a limiting mechanism 5, wherein the supporting mechanism 2 for supporting the folding mechanism 1 is arranged on one side of the folding mechanism 1 for facilitating folding and unfolding of express parcels, the hook mechanisms 3 for increasing hanging points of the folding mechanism 1 are arranged on two sides of the folding mechanism 1, the identification mechanisms 4 for facilitating replacement of quick identification marks are arranged, the identification mechanisms 4 are arranged in the folding mechanism 1, and the limiting mechanism 5 for limiting and fixing a rotating component at the top end of the folding mechanism 1 is arranged at the top end of the folding mechanism 1.

Specifically, the folding mechanism 1 includes two sets of the placement frames 11, two first rotation shafts 12, two folding plates 13 and a top plate 14, the placement frames 11 are provided, two of the placement frames 11 are provided for each set, a plurality of first rotation shafts 12 are fixed between the same set of the placement frames 11, the folding plates 13 are rotated on the side walls of the first rotation shafts 12, the two folding plates 13 at the same level are rotatably connected with each other, the top plate 14 is rotated on the side wall of the first rotation shaft 12 at the top end, the other end of the top plate 14 is clamped with the other first rotation shaft 12, since the folding plates 13 are rotatably connected with the placement frames 11 through the first rotation shafts 12 and are also rotatably connected with each other, the storage frames are conveniently switched according to the use requirements through the rotational arrangement of the folding plates 13, and after expanding various suitable express parcels are conveniently settled to folded sheet 13, in addition pass through roof 14 set up can be to a plurality of place the frame 11 plays preliminary supporting role, and then can expand its use when using the storage rack, but folding accomodating again when need not to use has improved the use flexibility ratio of storage rack.

Specifically, the hook mechanism 3 includes a fixing frame 31, a plurality of grooves 32, a clamping frame 33, a plurality of hooks 34 and a protrusion 35, a plurality of fixing frames 31 located at different levels are fixed between two mounting frames 11 of the same group, a plurality of grooves 32 are provided inside one side of the fixing frame 31, the clamping frame 33 is clamped on the side wall of the fixing frame 31, the hooks 34 are rotated by the other end of the clamping frame 33, the protrusions 35 are fixed on one side of the hooks 34 facing the clamping frame 33, the protrusions 35 are clamped inside the grooves 32 near the clamping frame, the diameters of the protrusions 35 and the grooves 32 are equal, since a plurality of fixing frames 31 located at different heights are fixedly connected between the mounting frames 11, a plurality of grooves 32 are provided inside the side wall of the fixing frame 31, the hooks 34 are clamped to the displacement position of the fixing frame 31 by the arrangement of the grooves 32, the hook 34 facilitates the sliding of the clamping frame 33, so that the hanging points of the storage rack are increased, the hanging points can be freely adjusted along with users, and the using effect of the storage rack is improved.

Specifically, the supporting mechanism 2 includes a second rotating shaft 21, a first connecting rod 22, a second connecting rod 23, a sliding sleeve 24 and a clamping block 25, the second rotating shaft 21 penetrates through two folding plates 13 on the same horizontal plane, the second rotating shaft 21 rotates relative to the folding plates 13, one end of each of the second rotating shafts 21 rotates relative to the first connecting rod 22, the sliding sleeve 24 slides on a side wall near the top end of the first connecting rod 22, the second connecting rod 23 rotates relative to the sliding sleeve 24 and the placement frame 11, the clamping block 25 is disposed between the sliding sleeve 24 and the folding plate 13 on the top end, the bottom end of the clamping block 25 rotates relative to the sliding sleeve 24, and the top end of the clamping block is clamped between the two folding plates 13, because the first connecting rod 22 and the second connecting rod 23 rotate with the unfolding of the placement frame 11, the sliding sleeve 24 directly slides on the side wall of the first connecting rod 22, after the folding mechanism 1 is unfolded, the fixture block 25 on the sliding sleeve 24 is deflected to the top end of the folding plate 13, the fixture block 25 is utilized to limit the sliding sleeve 24 at the preset position of the first connecting rod 22, so that the structure of the folding mechanism 1 is further supported, rotating parts inside the folding mechanism 1 are further supported, accidental rotation and folding of the rotating parts are avoided, the folding mechanism 1 is convenient to keep in a use state, and the structural strength of the folding mechanism 1 is enhanced.

Specifically, the limiting mechanism 5 includes a sliding slot 51, an operating block 52, a sliding rod 53, a second spring 54 and a clamping rod 55, the sliding slot 51 is disposed inside the top plate 14, the operating block 52 is slid inside the sliding slot 51, one end of the operating block 52 is fixed to the sliding rod 53, the other end of the operating block 52 is fixed to the clamping rod 55, the sliding rod 53 and the clamping rod 55 respectively slide inside the top plate 14, the second spring 54 is wound on a side wall of the sliding rod 53, one end of the second spring 54 is fixed to a side wall of the operating block 52, and the other end of the second spring 54 is fixed to an inner wall of the sliding slot 51, because when one end of the top plate 14 needs to be deflected to engage with a side wall of one of the first rotating shafts 12, the operating block 52 is pushed to slide toward one end of the sliding slot 51, and the operating block 52 drives the clamping rod 55 at one end while compressing the second spring 54 along the sliding rod 53, at this time, the first rotating shaft 12 is clamped into the top plate 14, the operating block 52 is not maintained, and the second spring 54 automatically resets to cause the clamping rod 55 to lock the clamping position of the top plate 14, so that the top plate 14 is prevented from accidentally disengaging from the first rotating shaft 12, further, the internal components of the folding mechanism 1 are prevented from accidentally rotating, and the use safety of the folding mechanism 1 is ensured.

Specifically, the indication mechanism 4 includes a display panel 41, a sealing strip 42, a third rotating shaft 43, a third connecting rod 44, a fourth connecting rod 45, a sliding block 46, a first spring 47 and a placement groove 48, the display panel 41 is rotated at the bottom end of the folding plate 13, the placement groove 48 is disposed inside the display panel 41, one sealing strip 42 is respectively rotated at two ends of the placement groove 48, the third rotating shaft 43 is fixed at the bottom end of the sealing strip 42, the third connecting rod 44 is fixed at one end of the third rotating shaft 43, the sliding block 46 is slid at one side of the display panel 41, the first spring 47 is fixed at the bottom end of the sliding block 46, the bottom end of the first spring 47 is fixed on the inner wall of the display panel 41, the fourth connecting rod 45 is rotated between the sliding block 46 and the third connecting rod 44, because the display panel 41 is made of a transparent material, when the identification card in the display panel 41 needs to be replaced, the sliding block 46 at the back of the display panel 41 is pressed, the sliding block 46 compresses the first spring 47 to slide and simultaneously drives the fourth connecting rods 45 at two sides, the fourth connecting rods 45 then abut against the third connecting rods 44, so that the third connecting rods 44 drive the sealing strips 42 at two sides of the display panel 41, at the moment, a new identification card can be inserted into the arrangement groove 48, the old identification card slides out from the other side of the arrangement groove 48, the sliding block 46 is not pressed, the sealing strips 42 rotate to the initial position, and then the identification effect on the package stored on the storage rack can be achieved, and the situation that the identification card in the storage rack is prevented from being replaced is avoided

When the express storage rack is used, the plurality of folding plates 13 are rotatably connected to the placement rack 11 through the first rotating shaft 12, the folding plates 13 are also rotatably connected with one another, the storage rack can be conveniently switched to be in a state according to use requirements through the rotary arrangement of the plurality of folding plates 13, various appropriate express packages can be conveniently placed on the unfolded folding plates 13, in addition, the plurality of placement racks 11 can be preliminarily supported through the arrangement of the top plate 14, the storage rack can be unfolded for use when being used, and the storage rack can be folded for storage when not being used, so that the use flexibility of the storage rack is improved; because the first connecting rod 22 and the second connecting rod 23 rotate along with the unfolding of the placing frame 11, the sliding sleeve 24 directly slides on the side wall of the first connecting rod 22, after the folding mechanism 1 is unfolded, the fixture block 25 on the sliding sleeve 24 deflects to the top end of the folding plate 13, and the sliding sleeve 24 is limited at the preset position of the first connecting rod 22 by the fixture block 25, so that the structure of the folding mechanism 1 is further supported, the rotating part in the folding mechanism 1 is further supported, the accidental rotation and folding of the rotating part are avoided, the folding mechanism 1 is convenient to keep in a use state, and the structural strength of the folding mechanism 1 is enhanced; when one end of the top plate 14 needs to be deflected to be clamped with the side wall of one of the first rotating shafts 12, the operating block 52 is pushed to slide towards one end of the sliding groove 51, the operating block 52 drives the clamping rod 55 at one end while compressing the second spring 54 along the sliding rod 53, at this time, the first rotating shaft 12 can be clamped into the top plate 14, the operating block 52 is not kept, the second spring 54 automatically resets to enable the clamping rod 55 to lock the clamping position of the top plate 14, so that the top plate 14 is prevented from being accidentally separated from the first rotating shaft 12, further, the accidental rotation of internal parts of the folding mechanism 1 is avoided, and the use safety of the folding mechanism 1 is ensured; because the display panel 41 is made of transparent material, when the identification card inside the display panel 41 needs to be replaced, the sliding block 46 behind the display panel 41 is pressed, the sliding block 46 compresses the first spring 47 to slide and simultaneously drive the fourth connecting rods 45 at two sides, the fourth connecting rods 45 abut against the third connecting rods 44, so that the third connecting rods 44 drive the sealing strips 42 at two sides of the display panel 41, at this time, a new identification card can be inserted into the placing groove 48, the old identification card slides out from the other side of the placing groove 48, the sliding block 46 is not pressed, the sealing strips 42 rotate to the initial position, the package stored on the storage rack can be identified, the package is prevented from being mistakenly taken, the identification speed' is improved because a plurality of fixing frames 31 at different heights are fixedly connected between the placing frames 11, a plurality of grooves 32 are further arranged inside the side walls of the fixing frames 31, the hooks 34 are conveniently clamped to the displacement position of the fixing frames 31 through the arrangement of the grooves 32, the sliding of the clamping frame 33 is facilitated by the rotating hook 34, so that the matching and hanging points of the storage rack are increased, the positions of the matching and hanging points can be freely adjusted along with users, and the using effect of the storage rack is improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Convenient folding express delivery parcel storage rack, its characterized in that: including folding mechanism (1), supporting mechanism (2), couple mechanism (3), identification mechanism (4) and stop gear (5), it is right to be used for folding expansion of being convenient for deposit express delivery parcel is located to folding mechanism (1) one side of folding mechanism (1), is used for increasing folding mechanism (1) hangs the point couple mechanism (3) are located the both sides of folding mechanism (1), are used for conveniently replacing quick discernment sign identification mechanism (4) are equipped with a plurality ofly, just identification mechanism (4) are located the inside of folding mechanism (1), it is right to be used for the top rotating part of folding mechanism (1) carries out spacing fixed stop gear (5) are located the top of folding mechanism (1).

2. The conveniently foldable express package storage rack of claim 1, wherein: folding mechanism (1) is including arrangement frame (11), first pivot (12), folded sheet (13) and roof (14), arrangement frame (11) are equipped with two sets ofly, every group arrangement frame (11) are equipped with two, and are with a set of be fixed with a plurality ofly between arrangement frame (11) first pivot (12), it has to rotate on the lateral wall of first pivot (12) folded sheet (13), two of same level rotate each other between folded sheet (13) and connect, be located the top rotate on the lateral wall of first pivot (12) and have roof (14), the other end block of roof (14) is in another one first pivot (12).

3. The conveniently foldable express package storage rack of claim 2, wherein: couple mechanism (3) are including mount (31), recess (32), card frame (33), couple (34) and lug (35), two of same group it is fixed with a plurality of different level heights to be located between arrangement frame (11) mount (31), one side inside of mount (31) is equipped with a plurality ofly recess (32), the block has on the lateral wall of mount (31) card frame (33), the other end of card frame (33) rotates to have couple (34), couple (34) orientation one side of card frame (33) is fixed with lug (35), just lug (35) card with near inside recess (32), lug (35) with the diameter of recess (32) equals.

4. The conveniently foldable express package storage rack of claim 2, wherein: the supporting mechanism (2) comprises a second rotating shaft (21), a first connecting rod (22), a second connecting rod (23), a sliding sleeve (24) and a clamping block (25), the second rotating shaft (21) penetrates through the two folding plates (13) on the same horizontal plane, the second rotating shafts (21) rotate on the folding plate (13), one end of each of the second rotating shafts (21) rotates together with the first connecting rod (22), the side wall close to the top end of the first connecting rod (22) slides with the sliding sleeve (24), the second connecting rod (23) is rotatably arranged between the sliding sleeve (24) and the placing frame (11), the clamping block (25) is arranged between the sliding sleeve (24) and the folding plate (13) at the top end, the bottom end of the clamping block (25) rotates to the sliding sleeve (24) and the top end of the clamping block is clamped between the two folding plates (13).

5. The conveniently foldable express package storage rack of claim 2, wherein: stop gear (5) include spout (51), operation piece (52), slide bar (53), second spring (54) and kelly (55), the inside of roof (14) is equipped with spout (51), the inside of spout (51) slides has operation piece (52), the one end of operation piece (52) is fixed with slide bar (53) and the other end are fixed with kelly (55), slide bar (53) with kelly (55) slide respectively in the inside of roof (14), it has to twine on the lateral wall of slide bar (53) second spring (54), the one end of second spring (54) is fixed in on the lateral wall of operation piece (52) and the other end is fixed in on the inner wall of spout (51).

6. The conveniently foldable express package storage rack of claim 2, wherein: the marking mechanism (4) comprises a display panel (41), a sealing strip (42), a third rotating shaft (43), a third connecting rod (44), a fourth connecting rod (45), a sliding block (46), a first spring (47) and a placing groove (48), the bottom end of the folding plate (13) is rotated to form the display panel (41), the placing groove (48) is formed in the display panel (41), the two ends of the placing groove (48) are respectively rotated to form the sealing strip (42), the bottom end of the sealing strip (42) is fixed to the third rotating shaft (43), one end of the third rotating shaft (43) is fixed to the third connecting rod (44), the sliding block (46) is arranged on one side of the display panel (41) in a sliding mode, the bottom end of the sliding block (46) is fixed to the first spring (47), and the bottom end of the first spring (47) is fixed to the inner wall of the display panel (41), the fourth connecting rod (45) rotates between the sliding block (46) and the third connecting rod (44).