CN114504226B

CN114504226B - Art design works display device

Info

Publication number: CN114504226B
Application number: CN202210168438.5A
Authority: CN
Inventors: 刘雅丽
Original assignee: Jiujiang University
Current assignee: Jiujiang University
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-11-22
Anticipated expiration: 2042-02-23
Also published as: CN114504226A

Abstract

The invention discloses an artistic design work display device, which relates to the technical field of artistic design work display and comprises a base, universal wheels, a rotating mechanism, an adjusting mechanism, a clamping mechanism and a storage mechanism, wherein the universal wheels are arranged below the base; the rotating mechanism comprises a rotating rod which is rotatably installed at the central position of the base, a planet carrier is fixedly installed at the lower end of the rotating rod, the planet carrier is provided with a plurality of branches, the branches correspond to the exhibition stands one by one, a circular groove is formed in the lower end of the base, the sliding block slides along the circular groove, an upper rod is rotatably installed on each branch, the lower end of the upper rod is fixedly installed at the upper end of each exhibition stand, a first end of a short rotating rod is fixedly installed at the upper end of each upper rod, and the sliding block is rotatably installed at a second end of the short rotating rod; an adjusting shell is fixedly arranged at the upper end of the rotating rod, and storage mechanisms for storing valuables are arranged on two sides of the lower end of the adjusting shell; the adjusting shell is internally provided with a component for lifting and turning the clamping mechanism.

Description

Art design works display device

Technical Field

The invention relates to the technical field of art design work display, in particular to an art design work display device.

Background

The art design is an independent art subject, is a term, and mainly comprises: environmental design specialty direction, planar design specialty direction, visual transmission specialty direction, product design specialty direction, and the like, its research content and service object are different from traditional art door class, in order to make things convenient for people to view and admire the works of art design, display device need be used, current display device has certain drawback when using, be not convenient for show a plurality of works simultaneously, also can not play the effect that the contrast was referred, show works need manual centre gripping, valuable works need preserve alone when the time that needs the show is longer, waste time and energy.

Chinese patent publication No. CN213849805U discloses an art design work display device, which comprises a chassis, wherein the top surface of the chassis is provided with a base and an annular light reflecting layer, and the base is positioned in the middle of the annular light reflecting layer; the top of the base is inserted with a stand column, the stand column is rotatably sleeved with a rotary table, two sides of the rotary table are fixedly connected with connecting rods, one end of each connecting rod, far away from the rotary table, is fixedly connected with a display board, and the front of the display board is magnetically connected with two magnetic absorbing discs which are symmetrically arranged; the top cartridge of stand has the inserted bar, be close to the equal fixedly connected with diaphragm all around of inserted bar top, a plurality of light is installed to the bottom of diaphragm, and the device can realize a plurality of works to a certain extent and show simultaneously, but can't the centre gripping to the work of show, and the adjustability is little, therefore, the invention provides an art design works display device, realizes the rotation of art design works through steering mechanism, and adjustment mechanism realizes the upset and the altitude mixture control of art design works, carries out the centre gripping according to different art design works, stores valuables, has the characteristics that degree of integration is high, the function is abundant.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a rich art design works display device of function.

Aiming at the technical problems, the technical scheme provided by the invention is as follows: an artistic design work display device comprises a base, universal wheels, a rotating mechanism, an adjusting mechanism, a clamping mechanism and a storage mechanism, wherein the universal wheels are arranged below the base; the rotating mechanism comprises a rotating rod which is rotatably arranged at the central position of the base, a planet carrier is fixedly arranged at the lower end of the rotating rod, the planet carrier is provided with a plurality of branches, the branches correspond to the exhibition stands one by one, a circular groove is formed in the lower end of the base, the sliding block slides along the circular groove, an upper rod is rotatably arranged on each branch, the upper end of the upper rod is fixedly arranged at the upper end of the exhibition stand, a first end of a short rotating rod is fixedly arranged at the upper end of the upper rod, and the sliding block is rotatably arranged at a second end of the short rotating rod; an adjusting shell is fixedly arranged at the upper end of the rotating rod, and storage mechanisms for storing valuables are arranged on two sides of the lower end of the adjusting shell; the adjusting shell is internally provided with a component for lifting and turning the clamping mechanism.

Fixture include die clamping cylinder, fixed block, support frame, the last fixed mounting fixed block of die clamping cylinder, the fixed mounting support frame on the die clamping cylinder telescopic link, fixed mounting clamp motor on the support frame, fixed mounting control block on the tight motor shaft of clamp, rotate installation spout one, spout two in the tight motor shaft of clamp, the fixed block be trapezoidal, spout one, spout two slide along the fixed block hypotenuse, the control block on be equipped with four poles, the pole rotate the first end of installation gangbar, the gangbar second end rotates installation clamp block through the round axle, slide mounting clamp block on spout one, the spout two, clamp block is used for pressing from both sides the tight work of art design tightly.

Further, per two adjacent exhibition shelf lower extremes rotate the installation connecting rod, dwang upper end fixed mounting driven gear, driven gear toothed part and toothless part staggered arrangement, toothed part and driving gear mesh mutually, toothless part upper end fixed mounting shifting block for drive the rotation of art design works.

Further, the shifting block outer end be the arc, the base on rotate the installation driving gear, the driving gear on two dogs of fixed mounting, dog diameter the same with shifting block arc outer end diameter, driven gear have the tooth part be half of the drive gear number of teeth, when the drive gear rotates to driven gear non-tooth part time-sharing, the dog rotates along the shifting block outer end, driven gear intermittent type rotates, the show art design work of being convenient for has time to observe.

Furthermore, adjustment shell both ends bilateral symmetry, the inside fixed mounting guide bar of adjustment shell, the inside rotation installation lead screw of adjustment shell, the inside rotation installation stock of adjustment shell, the inside a plurality of movable blocks that are equipped with of adjustment shell, the movable block and die clamping cylinder one-to-one, the lift of the art design work of being convenient for.

Furthermore, the moving block is connected with the guide rod in a sliding mode, the moving block is connected with the lead screw in a threaded mode, a worm and a worm wheel are arranged inside the moving block, the worm wheel is fixedly installed on the clamping cylinder, the worm wheel is connected with the worm in a rotating mode, the clamping cylinder is connected with the moving block in a rotating mode, the worm is connected with the long rod in a sliding mode through a key groove, and therefore the artistic design works can be conveniently turned over.

Furthermore, storage shells are fixedly installed at two ends of the adjusting shell, an opening is formed in one side, close to the adjusting shell, of each storage shell and used for placing valuables, a sealing door is arranged inside each storage shell, the size of each sealing door is identical to that of the corresponding opening, and the valuables can be stored conveniently.

Furthermore, a storage cylinder is fixedly installed on one side, far away from the adjusting shell, inside the storage shell, a control rod is fixedly installed at the middle position of a telescopic rod of the storage cylinder, a first shaft and a second shaft are fixedly installed at two ends of the control rod, four linkage plates are arranged, linkage plates are rotatably installed at two ends of the first shaft, and linkage plates are rotatably installed at two ends of the second shaft.

Furthermore, the linkage plates are four, each linkage plate is composed of two edges with obtuse included angles, the lower ends of the two linkage plates are rotatably provided with the horizontal rods, the upper ends of the two linkage plates are rotatably provided with the closed doors, the closed doors are parallel to the upper plane of the storage shell, the storage shell is fixedly provided with two limiting shafts close to one side of the adjusting shell, the limiting shafts are parallel to the lower half section of the linkage plate, when the linkage plates are in contact with the limiting shafts, the linkage plates are driven to rotate, the closed doors are clamped at the opening of the storage shell and used for closing the opening of the storage shell, and loss of valuables is avoided.

Compared with the prior art, the invention has the beneficial effects that: (1) The invention is provided with the clamping mechanism and the exhibition frame, different artistic design works can be put in multiple positions, and the full-angle rotation is used for exhibiting the artistic design works, so that the comparison is convenient, and the exhibition of the artistic design works is facilitated; (2) The invention utilizes the intermittent rotation of the incomplete gear in the rotating mechanism, is convenient for observing the art design works, utilizes the lead screw to change the height of the clamping mechanism in the adjusting mechanism, and utilizes the worm wheel and the worm to control the overturning of the clamping mechanism, so that the displayed art design works can be displayed at multiple angles, and the functionality of the art design work display device is greatly improved; (3) The clamping mechanism is arranged, the two sliding grooves slide along the inclined edge of the trapezoidal fixed block, the included angle of the sliding grooves is changed, the application range of the clamping mechanism is wider, and the linkage rod is used for driving the clamping block to move so as to clamp and fix the artistic design works; (4) The invention is provided with the storage mechanism, the cylinder is used for driving the closed door to move, when the linkage plate is in contact with the limiting shaft and then overturns, the closed door is clamped at the opening of the storage shell, the valuable articles or the exhibited artistic design works are ensured not to be lost, and the exhibited artistic design works are convenient to store.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a first schematic view of the steering mechanism structure of the present invention.

FIG. 3 is a second schematic view of the steering mechanism of the present invention.

FIG. 4 is a schematic view of the adjusting mechanism, the clamping mechanism, and the storage mechanism of the present invention.

FIG. 5 is a schematic view of an adjusting mechanism according to the present invention.

Fig. 6 is a partially enlarged view of a portion a in fig. 5.

FIG. 7 is a first schematic view of a clamping mechanism according to the present invention.

FIG. 8 is a second schematic view of the clamping mechanism of the present invention.

FIG. 9 is a first schematic view of a storage mechanism according to the present invention.

FIG. 10 is a second schematic view of the storage mechanism of the present invention.

Reference numerals: 1-a base; 2-universal wheels; 3-a rotating mechanism; 4-an adjustment mechanism; 5-a clamping mechanism; 6-a storage mechanism; 301-a rotating motor; 302-a drive gear; 303-a stop block; 304-a driven gear; 305-a dial block; 306-rotating rods; 307-a planet carrier; 308-exhibition shelf; 309-upper rod; 310-short turn bar; 311-a slider; 312-connecting rod; 401-adjusting the housing; 402-adjusting the motor; 403-lead screw; 404-a guide bar; 405-a steering motor; 406-a long rod; 407-a moving block; 408-a worm; 409-a turbine; 501-clamping a cylinder; 502-fixed block; 503-chute one; 504-chute two; 505-a support frame; 506-a clamping motor; 507, clamping a motor bracket; 508-a control block; 509-a linkage bar; 510-a circular shaft; 511-a clamping block; 601-a storage enclosure; 602-a limit shaft; 603-a storage cylinder; 604-a control lever; 605-axis one; 606-Axis two; 607-linkage plate; 608-a closing door; 609-horizontal bar.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The embodiment is as follows: as shown in fig. 1-10, the art design work display device comprises a base 1, a universal wheel 2, a rotating mechanism 3, an adjusting mechanism 4, a clamping mechanism 5 and a storage mechanism 6, wherein the universal wheel 2 is arranged below the base 1 and used for moving the art design work display device, the rotating mechanism 3 used for changing the angle of the art design work is arranged on the base 1, and the adjusting mechanism 4 used for changing the position of the art design work is arranged on the rotating mechanism 3; two sides of the lower end of the adjusting mechanism 4 are provided with storage mechanisms 6 for storing important articles, and two ends of the adjusting mechanism 4 are provided with clamping mechanisms 5 for fixing art design works.

The rotating mechanism 3 comprises a rotating motor 301, a driving gear 302, stoppers 303, a driven gear 304, a shifting block 305, a rotating rod 306, a planet carrier 307, a display frame 308, an upper rod 309, a short rotating rod 310, a slide block 311 and a connecting rod 312, wherein the rotating motor 301 is fixedly arranged on the upper surface of the base 1, the driving gear 302 is coaxially and fixedly arranged on an output shaft of the rotating motor 301, two stoppers 303 are fixedly arranged on the driving gear 302, the rotating rod 306 is rotatably arranged at the center of the base 1, the driven gear 304 is fixedly arranged at the upper end of the rotating rod 306, the toothed parts and the non-toothed parts of the driven gear 304 are staggered, the toothed parts of the driven gear 304 are meshed with the driving gear 302, the shifting block 305 is fixedly arranged on the upper surface of the non-toothed part of the driven gear 304, the outer end of the shifting block 305 is arc-shaped, the diameter of the outer end of the shifting block 305 is the same as the diameter of the stoppers 303, every section of driven gear 304 has tooth part number of teeth to be half of driving gear 302 number of teeth, when driving gear 302 changes to driven gear 304 toothless part time-sharing, dog 303 rotates along shifting block 305 outer end, driven gear 304 intermittent type rotates, dwang 306 lower extreme is located base 1's below fixed mounting planet carrier 307, the base 1 lower extreme is equipped with the circular slot, slider 311 slides along the circular slot, planet carrier 307 has a plurality of branches, branch and exhibition frame 308 one-to-one, every branch outer end of planet carrier 307 rotates installation upper boom 309, upper boom 309 lower extreme fixed mounting exhibition frame 308 upper end, the short bull stick 310 first end of upper boom 309 upper end fixed mounting, rotate installation short bull stick 310 second end on slider 311, the lower extreme of every two exhibition frames 308 is connected through connecting rod 312, improve exhibition frame 308 stability.

The adjusting mechanism 4 comprises an adjusting shell 401, an adjusting motor 402, a lead screw 403, a guide rod 404, a steering motor 405, a long rod 406, a moving block 407, a worm 408 and a worm wheel 409, wherein the adjusting shell 401 is fixedly installed on the upper surface of the rotating rod 306, the two sides of the adjusting shell 401 are bilaterally symmetrical, the guide rod 404 is fixedly installed inside the adjusting shell 401, the adjusting motor 402 is fixedly installed at the lower end inside the adjusting shell 401, the lead screw 403 is fixedly installed on a rotating shaft of the adjusting motor 402, the lead screw 403 and the long rod 406 are rotatably installed in the adjusting shell 401, the steering motor 405 is fixedly installed inside the adjusting shell 401, the long rod 406 is coaxially and fixedly installed on an output shaft of the steering motor 405, the moving blocks 407 are provided with a plurality of moving blocks, the moving blocks 407 correspond to the clamping mechanisms 5 one by one to one, the moving blocks 407 are slidably installed on the guide rod 404, the lead screw 403 and the moving block 407 are threadedly installed, the moving block is slidably installed on the long rod 406, the worm 408 and the worm 409 are arranged inside of the moving block 407, the worm 408 and the worm is slidably installed on the long rod 406 through a keyway, the worm 408 and the worm 409 are rotatably installed on the outer side of the clamping cylinder 501.

The clamping mechanism 5 comprises a clamping cylinder 501, a fixed block 502, a first sliding groove 503, a second sliding groove 504, a supporting frame 505, a clamping motor 506, a clamping motor support 507, a control block 508, a linkage rod 509, a circular shaft 510 and a clamping block 511, wherein the fixed block 502 is fixedly installed on the clamping cylinder 501, the supporting frame 505 is fixedly installed on a telescopic rod of the clamping cylinder 501, the clamping motor support 507 is fixedly installed on the supporting frame 505, the clamping motor 506 is fixedly installed on the clamping motor support 507, the control block 508 is fixedly installed on a rotating shaft of the clamping motor 506, the central position of the first sliding groove 503 and the central position of the second sliding groove 504 are rotatably installed at the top end of the rotating shaft of the clamping motor 506, four rods are arranged on the control block 508, the first end of the linkage rod 509 is rotatably installed on each rod, the first end of the circular shaft 510 is rotatably installed at the second end of the circular shaft 510, the clamping block 511 is fixedly installed at the second end of the circular shaft, the first sliding groove 503 and the clamping block 511 are slidably installed on the first sliding groove 504, the second sliding groove 504, the fixed block 502 is in a trapezoid shape, the first sliding groove 503 and the second groove 504 slides along two oblique edges of the fixed block 502, so as to change an included angle between the first sliding groove 503 and prevent artistic works from falling off when being displayed.

The storage mechanism 6 comprises a storage shell 601, a limiting shaft 602, a storage cylinder 603, a control rod 604, a first shaft 605, a second shaft 606, a linkage plate 607 and a closed door 608, wherein the storage shell 601 is fixedly installed at two sides of the lower end of the adjusting shell 401, an opening is formed in one side of the upper end of the storage shell 601 close to the adjusting shell 401 and used for placing valuables, the closed door 608 is arranged in the storage shell 601, the size of the closed door 608 is consistent with that of the opening of the storage shell 601, the storage cylinder 603 is fixedly installed at one side of the storage shell 601 far away from the adjusting shell 401, the storage cylinder 603 is fixedly installed at the middle position of the control rod 604 through a telescopic rod, the first shaft 605 and the second shaft 606 are fixedly installed at two ends of the control rod 604, the linkage plate 607 is four, the linkage plate 607 is composed of two sides with an obtuse angle, the two ends of the first shaft 605 are rotatably provided with the included angle of the linkage plate 607, the two ends of the second shaft 606 are rotatably provided with the included angle of the linkage plate 607, the horizontal rod 609 is parallel to the control rod 604, the lower ends of the two linkage plates 607 are rotatably provided with the horizontal rod 609, the upper ends of the two linkage plates 607 are rotatably provided with the lower ends of the sealing door 608, the sealing door 608 is parallel to the upper plane of the storage shell 601, the storage shell 601 is fixedly provided with two limiting shafts 602 near one side of the adjusting shell 401, the limiting shafts 602 are parallel to the lower half section of the linkage plate 607, when the linkage plate 607 is contacted with the limiting shafts 602, the linkage plate 607 is driven to rotate, and the sealing door 608 is clamped at the opening of the storage shell 601 to store the valuable articles.

The work principle of the art design work display device disclosed by the invention is as follows: the display device of the artistic design works is moved to a required position through the universal wheel 2, different artistic design works can be placed on the display rack 308 or clamped through the clamping block 511, when the artistic design works are clamped through the clamping block 511, the distance of the support frame 505 is controlled through the clamping cylinder 501, the included angle between the first sliding groove 503 and the second sliding groove 504 is adjusted through the fixing block 502, the clamping motor 506 is started to drive the control block 508 to rotate, the linkage rod 509 is driven to rotate, the clamping block 511 is driven to move inwards through the round shaft 510 to clamp and fix the artistic design works, when the artistic design works need to be integrally rotated, the rotating motor 301 is started to drive the driving gear 302 to rotate, the driven gear 304 is driven to intermittently rotate through the stop block 303 and the shifting block 305 to drive the rotating rod 306 to intermittently rotate, and the rotating rod 306 simultaneously drives the adjusting shell 401 and the planet carrier 307 to rotate, the planet carrier 307 rotates to drive the slide block 311 to move along the circular groove of the base 1 through the short rotating rod 310, and drive the short rotating rod 310 to rotate, and drive the exhibition frame 308 to rotate while revolving, so as to conveniently exhibit the art design works, the adjustment housing 401 rotates to drive the clamping mechanism 5 to rotate, so as to facilitate the exhibition, when the height of the clamping mechanism 5 needs to be adjusted, the adjustment motor 402 is started to drive the lead screw 403 to rotate, and drive the moving block 407 to move, and drive the clamping cylinder 501 to move, so as to adjust the exhibiting height, when the art design works need to be exhibited to turn over, the turning motor 405 drives the long rod 406 to rotate, drives the worm 408 to rotate, and drives the turbine 409 to rotate, and drives the clamping cylinder 501 to rotate, so as to adjust the turning angle, when the exhibited art works need to be stored, valuable articles can be put into the storage housing 601, or the clamping cylinder 501 can be taken into the storage housing 601 by adjusting the height of the clamping cylinder 501, the storage cylinder 603 is controlled to drive the control rod 604 to move close to the adjustment housing 401, and drive the closing door 608 to move, when the linkage plate 607 contacts the limiting shaft 602, the linkage plate 607 is driven to turn over, and the closing door 608 closes the opening on the storage housing 601.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception and fall within the scope of the present invention.

Claims

1. The utility model provides an artistic design works display device which characterized in that: the device comprises a base (1), universal wheels (2), a rotating mechanism (3), an adjusting mechanism (4), a clamping mechanism (5) and a storage mechanism (6), wherein the universal wheels (2) are arranged below the base (1); the rotating mechanism (3) comprises a rotating rod (306) rotatably mounted at the center of the base (1), a planet carrier (307) is fixedly mounted at the lower end of the rotating rod (306), the planet carrier (307) is provided with a plurality of branches, the branches correspond to the display frames (308) one by one, a circular groove is formed in the lower end of the base (1), a sliding block (311) slides along the circular groove, an upper rod (309) is rotatably mounted on the branches, the lower end of the upper rod (309) is fixedly mounted at the upper end of the display frames (308), a first end of a short rotating rod (310) is fixedly mounted at the upper end of the upper rod (309), and a sliding block (311) is rotatably mounted at the second end of the short rotating rod (310); an adjusting shell (401) is fixedly arranged at the upper end of the rotating rod (306), and storage mechanisms (6) for storing valuables are arranged on two sides of the lower end of the adjusting shell (401); the adjusting shell (401) is internally provided with a component for lifting and turning the clamping mechanism (5); the clamping mechanism (5) comprises a clamping cylinder (501), a fixing block (502) and a supporting frame (505), wherein the fixing block (502) is fixedly installed on the clamping cylinder (501), the supporting frame (505) is fixedly installed on a telescopic rod of the clamping cylinder (501), a clamping motor (506) is fixedly installed on the supporting frame (505), a control block (508) is fixedly installed on a rotating shaft of the clamping motor (506), a first sliding groove (503) and a second sliding groove (504) are rotatably installed on the rotating shaft of the clamping motor (506), the fixing block (502) is trapezoidal, the first sliding groove (503) and the second sliding groove (504) slide along the oblique edge of the fixing block (502), four rods are arranged on the control block (508), the first end of a linkage rod (509) is rotatably installed on the rods, a second end of the linkage rod (509) is rotatably installed on a clamping block (511) through a circular shaft (510), the first sliding groove (503) and the second sliding groove (504) is provided with a clamping block (511), and the clamping block (511) is used for clamping artistic design works;

the lower ends of every two adjacent display racks (308) are rotatably provided with connecting rods (312), the upper ends of the rotating rods (306) are fixedly provided with driven gears (304), toothed parts and non-toothed parts of the driven gears (304) are arranged in a staggered mode, the toothed parts are meshed with the driving gears (302), and the upper ends of the non-toothed parts are fixedly provided with shifting blocks (305);

the outer end of the shifting block (305) is arc-shaped, the driving gear (302) is rotatably mounted on the base (1), two stop blocks (303) are fixedly mounted on the driving gear (302), the diameter of each stop block (303) is the same as that of the outer end of the arc-shaped shifting block (305), the toothed part of the driven gear (304) is half of the number of teeth of the driving gear (302), when the driving gear (302) rotates to the driven gear (304) without the toothed part, the stop blocks (303) rotate along the outer end of the shifting block (305), and the driven gear (304) rotates intermittently;

the two ends of the adjusting shell (401) are bilaterally symmetrical, a guide rod (404) is fixedly installed in the adjusting shell (401), a lead screw (403) is rotatably installed in the adjusting shell (401), a long rod (406) is rotatably installed in the adjusting shell (401), a plurality of moving blocks (407) are arranged in the adjusting shell (401), and the moving blocks (407) correspond to the clamping cylinders (501) one by one;

the movable block (407) is connected with the guide rod (404) in a sliding mode, the movable block (407) is connected with the lead screw (403) in a threaded mode, a worm (408) and a worm wheel (409) are arranged inside the movable block (407), the worm wheel (409) is fixedly mounted on the clamping cylinder (501), the clamping cylinder (501) is connected with the movable block (407) in a rotating mode, the worm wheel (409) is connected with the worm (408) in a rotating mode, and the worm (408) is connected with the long rod (406) in a sliding mode through a key groove;

the two ends of the adjusting shell (401) are fixedly provided with storage shells (601), one side of each storage shell (601) close to the adjusting shell (401) is provided with an opening for placing valuables, a closed door (608) is arranged inside each storage shell (601), and the size of each closed door (608) is consistent with that of each opening;

a storage cylinder (603) is fixedly mounted on one side, far away from the adjusting shell (401), in the storage shell (601), a telescopic rod of the storage cylinder (603) is fixedly mounted in the middle of a control rod (604), a first shaft (605) and a second shaft (606) are fixedly mounted at two ends of the control rod (604), four linkage plates (607) are arranged, linkage plates (607) are rotatably mounted at two ends of the first shaft (605), and linkage plates (607) are rotatably mounted at two ends of the second shaft (606);

linkage board (607) have four, linkage board (607) are constituteed by two limits that the contained angle is the obtuse angle, two linkage board (607) lower extreme rotate installation horizontal rod (609), two linkage board (607) upper ends rotate installation closed door (608), closed door (608) are parallel with storage shell (601) upper plane, storage shell (601) are close to two spacing axle (602) of adjustment shell (401) one side fixed mounting, spacing axle (602) are parallel with linkage board (607) lower half section, when linkage board (607) and spacing axle (602) contact, drive linkage board (607) and rotate, closed door (608) card is at storage shell (601) opening part.