CN113133590B - High-temperature automatic-closing fireproof calligraphy and painting cultural relic movable rack - Google Patents
High-temperature automatic-closing fireproof calligraphy and painting cultural relic movable rack Download PDFInfo
- Publication number
- CN113133590B CN113133590B CN202110537268.9A CN202110537268A CN113133590B CN 113133590 B CN113133590 B CN 113133590B CN 202110537268 A CN202110537268 A CN 202110537268A CN 113133590 B CN113133590 B CN 113133590B
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- Prior art keywords
- cabinet
- rotating shaft
- frame
- fire
- sides
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- 238000010422 painting Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims abstract description 8
- 230000002265 prevention Effects 0.000 claims abstract description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 10
- 230000005484 gravity Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 244000309464 bull Species 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B63/00—Cabinets, racks or shelf units, specially adapted for storing books, documents, forms, or the like
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B63/00—Cabinets, racks or shelf units, specially adapted for storing books, documents, forms, or the like
- A47B63/02—Cabinets, racks or shelf units, specially adapted for storing books, documents, forms, or the like specially adapted for storing drawings or the like
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
- E05F15/614—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by meshing gear wheels, one of which being mounted at the wing pivot axis; operated by a motor acting directly on the wing pivot axis
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/72—Power-operated mechanisms for wings with automatic actuation responsive to emergency conditions, e.g. fire
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Special Wing (AREA)
Abstract
The invention relates to a dense cabinet, in particular to a high-temperature automatically-closed fireproof calligraphy and painting cultural relic dense cabinet. The technical problem to be solved by the invention is to provide a high-temperature automatically-closed fireproof calligraphy and painting cultural relic intensive cabinet which can be closed at the first time to protect the objects in the cabinet in case of fire. In order to solve the technical problem, the invention provides a fire-proof calligraphy, painting and cultural relics intensive cabinet capable of being automatically closed at high temperature, which comprises: a cabinet, on which a first rotating shaft is rotatably connected; the revolving door is connected to the first rotating shaft; a handle connected to the revolving door; the transmission mechanism is connected to the cabinet; and the trigger mechanism is connected to the cabinet. Thereby close the cupboard the very first time when taking place the conflagration through drive mechanism and trigger mechanism's cooperation, thereby make through clamping mechanism and lay fire prevention cloth to cupboard rear side, further protect the calligraphy and painting inside the cupboard.
Description
Technical Field
The invention relates to a dense cabinet, in particular to a high-temperature automatically-closed fireproof calligraphy and painting cultural relic dense cabinet.
Background
Dense cabinets originally originated in japan. The intensive cabinet is the novel harness that is applicable to office, enterprise and public institution's books data room, archives room, sample room etc. and deposits books data, archives, price of goods, archives financial document, goods, still can place some individual collections, compare with traditional bookshelf, goods shelves, archives frame like famous and precious calligraphy and painting, and the storage capacity is big, saves space and more has the tradition.
At present, the article in traditional intensive cabinet can't protect when taking place the conflagration, can't close it the very first time, finally makes the article in the intensive cabinet burnt, causes the loss.
Therefore, it is highly desirable to design a fire-proof type calligraphy and painting cultural relic dense cabinet which can be closed at the first time to protect the articles in the cabinet in case of fire.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects that the traditional movable rack cannot protect the articles in the movable rack in case of fire and cannot be closed at the first time, and finally the articles in the movable rack are burnt to cause loss.
(2) Technical scheme
In order to solve the technical problem, the invention provides a fire-proof calligraphy, painting and cultural relics intensive cabinet capable of being automatically closed at high temperature, which comprises: a cabinet, on which a first rotating shaft is rotatably connected; a revolving door connected to the first rotating shaft; a handle connected to the revolving door; the transmission mechanism is connected to the cabinet; and the trigger mechanism is connected to the cabinet.
Preferably, the transmission mechanism comprises: the second rotating shaft is rotatably connected to the cabinet; a bevel gear set connected between the second rotating shaft and the first rotating shaft; a first reel connected to the second rotating shaft; a gravity block slidably coupled to the cabinet; and a pull wire connected between the gravity block and the first reel.
Preferably, the trigger mechanism comprises: a first pressure plate which is connected to the cabinet in a bayonet manner; the second pressure plate is connected to the gravity block in a clamping pin manner; a second reel rotatably coupled to the cabinet; and the lead is connected between the second pressure plate and the first pressure plate and is positioned on the second reel.
Preferably, still include stop gear, stop gear includes: a connecting frame which is connected to the cabinet in a sliding way; the limiting block is connected to the connecting frame; the first handle is connected to the connecting frame; and the spring is sleeved between the connecting frame and the cabinet.
Preferably, the clamping mechanism is further included, and the clamping mechanism includes: a diamond-shaped rod which is connected to the second rotating shaft in a sliding manner; the sliding block is connected to the diamond rod in a sliding mode; a rotating rod rotatably connected to the slider; and the first torsion spring is connected between the rotating rod and the sliding block.
Preferably, a rotation mechanism is further included, the rotation mechanism including: a support rod connected to the cabinet; the limiting frame is connected to the supporting rod; a motor mounted on the cabinet; the rotating frame is connected to the output shaft of the motor and matched with the limiting frame; the cover is connected to the limiting frame; a second handle attached to the cover.
Preferably, the device further comprises an opening mechanism, wherein the opening mechanism comprises: the action rod is rotatably connected to the second rotating shaft; the second torsion spring is connected between the action rod and the second rotating shaft; and the switch is arranged on the cabinet and is matched with the motor.
Preferably, the fire cables are arranged on the periphery of the front side of the cabinet and are positioned in the plurality of limiting blocks.
(3) Advantageous effects
1. The cabinet is closed at the first time when a fire disaster happens through the matching of the transmission mechanism and the trigger mechanism.
2. Thereby carry on spacingly to the blasting fuse through stop gear, make the blasting fuse can not drop.
3. Thereby make through clamping mechanism and lay fire prevention cloth to cupboard rear side, further protect the calligraphy and painting inside the cupboard.
4. Thereby throw away through rotary mechanism messenger's dry powder, to the dry powder of throwing around the cupboard, reach an effect of putting out a fire.
5. The dry powder is thrown around the cabinet without manually starting the motor through the opening mechanism, so that the labor is saved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the transmission mechanism of the present invention.
Fig. 3 is an enlarged view of a portion a of the present invention.
Fig. 4 is a schematic perspective view of the limiting mechanism of the present invention.
Fig. 5 is a schematic perspective view of the clamping mechanism of the present invention.
Fig. 6 is a schematic perspective view of the rotating mechanism of the present invention.
Fig. 7 is a perspective view of the opening mechanism of the present invention.
The labels in the figures are: 1-cabinet, 2-first shaft, 3-revolving door, 4-handle, 5-transmission mechanism, 51-second shaft, 52-bevel gear set, 53-first reel, 54-gravity block, 55-pull wire, 6-trigger mechanism, 61-first press plate, 62-second press plate, 63-second reel, 64-lead wire, 7-limit mechanism, 71-connecting frame, 72-limit block, 73-first handle, 74-spring, 8-clamping mechanism, 81-diamond rod, 82-slide block, 83-revolving rod, 84-first torsion spring, 9-revolving mechanism, 91-supporting rod, 92-limit frame, 93-motor, 94-revolving frame, 95-cover, 96-second handle, 10-opening mechanism, 101-action bar, 102-second torsion spring, 103-switch.
Detailed Description
The invention is further described below with reference to the figures and examples.
Example 1
The utility model provides an automatic closed fire prevention type calligraphy and painting historical relic denseness cabinet of high temperature, as shown in fig. 1-3, including cupboard 1, first pivot 2, revolving door 3, handle 4, drive mechanism 5 and trigger mechanism 6, the equal rotary type in the left and right sides in cupboard 1 rear portion is connected with first pivot 2, the 2 outsides of first pivot 2 of both sides all are connected with revolving door 3, the 3 front side middle parts of revolving door of both sides all are connected with handle 4, 1 upper portion rear side of cupboard is connected with drive mechanism 5, 1 upper portion left and right sides of cupboard all is connected with trigger mechanism 6.
The transmission mechanism 5 comprises a second rotating shaft 51, a bevel gear set 52, first reels 53, a gravity block 54 and pull wires 55, wherein the second rotating shaft 51 is rotatably connected to the left side and the right side of the upper portion of the cabinet 1, bevel gear sets 52 are connected between the second rotating shafts 51 on the two sides and the first rotating shafts 2 on the two sides, the first reels 53 are connected to the outer sides of the second rotating shafts 51 on the two sides, the gravity block 54 is slidably connected to the left side and the right side of the upper portion of the cabinet 1, and the pull wires 55 are connected between the gravity blocks 54 on the two sides and the first reels 53 on the two sides.
Trigger mechanism 6 is including first clamp plate 61, second clamp plate 62, second reel 63 and lead wire 64, and the equal cotter formula in the upper portion left and right sides of cupboard 1 is connected with first clamp plate 61, and the equal cotter formula in the middle part of the gravity piece 54 front side of both sides is connected with second clamp plate 62, and the equal rotary type in the upper portion left and right sides of cupboard 1 is connected with second reel 63, all is equipped with lead wire 64 between the first clamp plate 61 of the second clamp plate 62 of both sides and both sides, and the lead wire 64 of both sides is located the second reel 63 of both sides.
When a fire disaster happens near the dense cabinet, firstly, the fire can ignite the lead wires 64 at two sides in the first time, the lead wires 64 at two sides are ignited to cancel the limit of the gravity blocks 54 at two sides, the gravity blocks 54 at two sides move downwards under the action of gravity, the gravity blocks 54 at two sides move downwards to drive the stay wires 55 at two sides to move downwards, the stay wires 55 at two sides move downwards to drive the first reels 53 at two sides to rotate, the first reels 53 at two sides rotate to drive the second rotating shafts 51 at two sides to rotate, the second rotating shafts 51 at two sides rotate to drive the first rotating shafts 2 at two sides to rotate through the bevel gear set 52, and the first rotating shafts 2 at two sides rotate to drive the rotating doors 3 at two sides to rotate, thereby closing the cabinet 1, achieving the effect of automatically closing the cabinet 1 at high temperature, and after the fire disaster is over, a new lead wire 64 is installed between the first pressing plate 61 and the second pressing plate 62 by a human.
Example 2
On the basis of embodiment 1, as shown in fig. 4, the multifunctional cabinet further comprises a limiting mechanism 7, wherein the limiting mechanism 7 comprises a connecting frame 71, limiting blocks 72, a first handle 73 and springs 74, the connecting frame 71 is connected to the middle of the front side of the cabinet 1 in a sliding manner, the left side and the right side of the rear portion of the connecting frame 71 are connected to a plurality of limiting blocks 72, the first handle 73 is connected to the middle of the front portion of the connecting frame 71, and the springs 74 are sleeved between the connecting frame 71 and the cabinet 1.
All be connected with the fuse between the stopper 72 between the co-altitude, when the conflagration breaks out, even the intensity of a fire is less also can ignite lead wire 64 through the fuse, thereby make the scope of igniting lead wire 64 wider, when the fuse uses the completion, drive link 71 through artifical pulling first handle 73 and move forward, link 71 moves forward spring 74 is compressed, link 71 moves forward and drives stopper 72 and moves forward, at this moment the manual work is installed new fuse to cupboard 1, when fuse installation is accomplished, loosen first handle 73 through the manual work, the stopper 72 of both sides resets under the spring 74 effect of compressed, thereby it is spacing to fuse, make the fuse can not drop.
Example 3
On the basis of embodiment 2, as shown in fig. 5, the clamping device 8 further includes a diamond-shaped rod 81, a sliding block 82, a rotating rod 83 and a first torsion spring 84, the diamond-shaped rod 81 is slidably connected to the inner sides of the second rotating shafts 51 on both sides, the sliding block 82 is slidably connected to the inner sides of the upper portions of the diamond-shaped rods 81 on both sides, the rotating rod 83 is rotatably connected to the inner sides of the sliding blocks 82 on both sides, and the first torsion spring 84 is connected between the rotating rod 83 on both sides and the sliding blocks 82 on both sides.
When using this intensive cabinet, at first through the manual work with between the bull stick 83 of fire prevention cloth installation to both sides and the rhombus pole 81 of both sides, thereby press from both sides tight fire prevention cloth through being equipped with first torsional spring 84, when the second pivot 51 of both sides rotates, the second pivot 51 of both sides rotates the rhombus pole 81 that drives both sides and rotates, the rhombus pole 81 of both sides rotates the bull stick 83 that drives both sides and rotates, the bull stick 83 rotates the fire prevention cloth rotation that drives both sides, thereby make and lay the fire prevention cloth to cupboard 1 rear side, further protect the calligraphy and painting of cupboard 1 the inside.
On the basis of embodiment 2, as shown in fig. 6, the multifunctional cabinet further comprises a rotating mechanism 9, wherein the rotating mechanism 9 comprises a support rod 91, a limit frame 92, a motor 93, a rotating frame 94, a cover 95 and a second handle 96, the support rods 91 are connected to the left side and the right side of the top of the cabinet 1, the limit frame 92 is connected between the upper portions of the support rods 91 at the two sides, the motor 93 is installed in the middle of the top of the cabinet 1, the rotating frame 94 is connected to an output shaft of the motor 93, the rotating frame 94 is matched with the limit frame 92, the cover 95 is arranged on the upper portion of the limit frame 92, and the second handle 96 is connected to the middle of the upper portion of the cover 95.
When using this intensive cabinet, at first the manual work holds second handle 96 upward movement and drives lid 95 upward movement, then the manual work is invertd the dry powder in changeing frame 94, when the conflagration breaing out, rotates through artifical starter motor 93 and drives commentaries on classics frame 94 and rotate, thereby changes frame 94 and rotates and make the dry powder throw away, to shedding the dry powder around cupboard 1, reach the effect of putting out a fire, it can to make motor 93 close after putting out a fire.
On the basis of embodiment 2, as shown in fig. 7, the cabinet further includes an opening mechanism 10, the opening mechanism 10 includes an action rod 101, a second torsion spring 102 and a switch 103, the action rod 101 is rotatably connected to the front portion of the left side of the right side second rotating shaft 51, the second torsion spring 102 is connected between the action rod 101 and the right side second rotating shaft 51, the switch 103 is arranged on the right side of the top of the cabinet 1, and the switch 103 is matched with the motor 93.
When the second pivot 51 on right side rotates, the second pivot 51 on right side rotates and drives action bar 101 to rotate, thereby action bar 101 rotates and starts motor 93 with switch 103 contact, thereby do not need artifical starter motor 93 to shed the dry powder around cupboard 1, use manpower sparingly, when action bar 101 rotates to extreme position, second pivot 51 on right side can continue to rotate, at this moment the second pivot 51 on right side rotates second torsional spring 102 and is compressed, when the second pivot 51 on right side resets, action bar 101 resets under the second torsional spring 102 effect of compressed, thereby no longer extrude switch 103 and connect, and then motor 93 closes.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (1)
1. The utility model provides a fire prevention type calligraphy and painting cultural relics intensive cabinet of high temperature automatic closure which characterized in that includes:
a cabinet (1) which is rotatably connected with a first rotating shaft (2);
a revolving door (3) connected to the first rotating shaft (2);
a handle (4) connected to the revolving door (3);
the transmission mechanism (5) is connected to the cabinet (1);
a trigger mechanism (6) connected to the cabinet (1);
the transmission mechanism (5) comprises:
a second rotating shaft (51) which is rotatably connected to the cabinet (1);
a bevel gear set (52) connected between the second rotating shaft (51) and the first rotating shaft (2);
a first reel (53) connected to the second rotating shaft (51);
a weight block (54) slidably coupled to the cabinet (1);
a pull wire (55) connected between the weight block (54) and the first reel (53);
the trigger mechanism (6) includes:
a first pressure plate (61) which is connected to the cabinet (1) in a bayonet manner;
a second pressure plate (62) which is connected to the weight block (54) in a bayonet-type manner;
a second reel (63) rotatably connected to the cabinet (1);
a lead wire (64) connected between the second presser plate (62) and the first presser plate (61), the lead wire (64) being positioned on the second reel (63);
still including stop gear (7), stop gear (7) include:
a connecting frame (71) which is connected to the cabinet (1) in a sliding manner;
the limiting blocks (72) are connected to the connecting frame (71), fire cables are connected between the limiting blocks (72) at the same height, and the lead wires (64) can be ignited through the fire cables even if the fire is small in intensity when a fire disaster occurs;
a first handle (73) connected to the connecting frame (71);
a spring (74) sleeved between the connecting frame (71) and the cabinet (1);
still including clamping mechanism (8), clamping mechanism (8) include:
a diamond-shaped rod (81) slidably coupled to the second shaft (51);
a slider (82) slidably connected to the diamond-shaped rod (81);
a rotating rod (83) rotatably connected to the slider (82);
the first torsion spring (84) is connected between the rotating rod (83) and the sliding block (82), the fireproof cloth is manually installed between the rotating rods (83) on the two sides and the diamond-shaped rods (81) on the two sides, and the fireproof cloth is clamped through the first torsion spring (84);
still including rotary mechanism (9), rotary mechanism (9) include:
a support rod (91) connected to the cabinet (1);
a limit frame (92) connected to the support rod (91);
a motor (93) mounted on the cabinet (1);
the rotary frame (94) is connected to an output shaft of the motor (93), the rotary frame (94) is matched with the limiting frame (92), dry powder is manually inverted in the rotary frame (94), when a fire disaster happens, the rotary frame (94) is driven to rotate by manually starting the motor (93), the rotary frame (94) rotates, so that the dry powder is thrown out, and the dry powder is thrown around the cabinet (1);
a cover (95) connected to the limit frame (92);
a second handle (96) attached to the cover (95);
still include opening mechanism (10), opening mechanism (10) includes:
an action lever (101) rotatably connected to the second rotating shaft (51);
a second torsion spring (102) connected between the action lever (101) and the second rotating shaft (51);
and the switch (103) is arranged on the cabinet (1), and the switch (103) is matched with the motor (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110537268.9A CN113133590B (en) | 2021-05-18 | 2021-05-18 | High-temperature automatic-closing fireproof calligraphy and painting cultural relic movable rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110537268.9A CN113133590B (en) | 2021-05-18 | 2021-05-18 | High-temperature automatic-closing fireproof calligraphy and painting cultural relic movable rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113133590A CN113133590A (en) | 2021-07-20 |
| CN113133590B true CN113133590B (en) | 2022-07-19 |
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| CN202110537268.9A Active CN113133590B (en) | 2021-05-18 | 2021-05-18 | High-temperature automatic-closing fireproof calligraphy and painting cultural relic movable rack |
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| CN113145200A (en) * | 2021-04-26 | 2021-07-23 | 陈万 | Chemical reagent test tube bin |
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| CN205082952U (en) * | 2015-10-16 | 2016-03-16 | 南阳理工学院 | File management cabinet |
| CN208610178U (en) * | 2018-02-05 | 2019-03-19 | 河南华泰规划勘测设计咨询有限公司 | A kind of novel mapping file cabinet |
| CN211910942U (en) * | 2019-07-09 | 2020-11-13 | 安平县晨辉信息科技有限公司 | Automatic high wisdom hidden door of hiding of discernment |
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| CN113133590A (en) | 2021-07-20 |
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