CN214179681U - Improved structure of file cabinet - Google Patents
Improved structure of file cabinet Download PDFInfo
- Publication number
- CN214179681U CN214179681U CN202022295231.3U CN202022295231U CN214179681U CN 214179681 U CN214179681 U CN 214179681U CN 202022295231 U CN202022295231 U CN 202022295231U CN 214179681 U CN214179681 U CN 214179681U
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- storage plate
- rotating shaft
- storage
- baffle
- file cabinet
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- 230000003028 elevating effect Effects 0.000 description 1
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Abstract
The utility model discloses an improved structure of a file cabinet, belonging to the technical field of file cabinets and comprising a storage rack and a plurality of storage plates; a plurality of opposite lifting devices are arranged on two sides of the storage rack; two ends of the storage plate are respectively connected with the two opposite lifting devices; and a clamping device is arranged in the storage plate and used for fixing files. The utility model is provided with the lifting device, the storage plate can be lifted or put down, the layer height of each layer of the file cabinet can be adjusted according to the size of the file, and the problem that the internal space distribution of the file cabinet in the prior art can not be adjusted is solved; the clamping device capable of fixing the files is arranged in the storage plate, so that the problem that the files are easy to topple when the files are few in the file cabinet in the prior art is solved; the grooves in the utility model correspond to the grooves in the relative lifting device one by one, thereby ensuring that the storage plate can not incline left and right; the cooperation of the lifting groove and the protrusions on the connecting block ensures that the storage plate cannot tilt forwards and backwards.
Description
Technical Field
The utility model belongs to the technical field of the filing cabinet, specifically speaking relates to an improvement structure of filing cabinet.
Background
The file cabinet is a cabinet for placing documents, data and the like, is generally used in offices, file rooms, data rooms, storage rooms or personal study rooms and the like, and mainly has a storage function. The internal space distribution of the file cabinet in the prior art is fixed, the file cabinet cannot be adjusted according to the size of the file, and a part of files with larger pages can be stored only by being folded, so that the data are easily damaged; and when the files that deposit in same one-layer is less, can't carry out vertical the arranging with the file, produce the gap easily between the data and cause and empty, influence the use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned weak point provide an improvement structure of filing cabinet, aim at solving the internal space distribution of prior art's filing cabinet and can not adjust and the file is when less file and empty the scheduling problem easily. In order to achieve the above object, the utility model provides a following technical scheme:
an improved structure of a file cabinet comprises a storage rack 1 and a plurality of storage plates 2; a plurality of opposite lifting devices are arranged on two sides of the storage rack 1; two ends of the storage plate 2 are respectively connected with two opposite lifting devices; and a clamping device is arranged in the storage plate 2 and used for fixing files. According to the structure, the storage rack 1 and the storage plates 2 form the basic structure of the file cabinet; a plurality of opposite lifting devices are arranged on two sides of the storage rack 1; the two opposite lifting devices are respectively connected with two ends of the storage plate 2, and the two lifting devices are matched for use, so that the storage plate 2 can be lifted or put down, the layer height of each layer of the file cabinet can be adjusted, and the problem that the internal space distribution of the file cabinet in the prior art cannot be adjusted is solved; the clamping device capable of fixing the files is arranged in the storage plate 2, so that the problem that the files are easy to topple when the files are few in the file cabinet in the prior art is solved.
Further, the lifting device comprises a second rotating shaft 14, a rotating disc 15 and a wire wheel 16; the storage rack 1 is provided with a through hole; a second rotating shaft 14 penetrates through the through hole; one end of the second rotating shaft 14 is provided with a turntable 15, and the other end is provided with a wire wheel 16; a rope 17 is arranged on the wire wheel 16; one end of the rope 17 is connected with the wire wheel 16, and the other end is connected with the storage plate 2. With the above structure, the second rotating shaft 14 is provided with the wire wheel 16 at one end inside the file cabinet, the rope 17 on the wire wheel 16 is connected with the storage plate 2, the turntable 15 is provided at one end outside the file cabinet, and the wire wheel 16 is wound or unwound by rotating the turntable 15, so that the storage plate 2 can be lifted or lowered.
Further, the clamping device comprises a threaded rod 6, a fixed worm wheel 10, a worm sleeve 12, a first rotating shaft 11, a first baffle 7 and a second baffle 9; a threaded rod 6 is arranged inside the storage plate 2; a fixed worm gear 10, a first baffle 7 and a second baffle 9 are arranged on the threaded rod 6; the threaded rod 6 is connected with the first baffle 7 and the second baffle 9 through threads; the top of the storage plate 2 is provided with a moving groove 8; the bottom of the storage plate 2 is provided with a rotating shaft hole; a first rotating shaft 11 penetrates through the rotating shaft hole; one end of the first rotating shaft 11 is connected with the top of the storage plate 2, and the other end of the first rotating shaft is provided with a knob 13; a worm sleeve 12 is sleeved on the first rotating shaft 11; the worm sleeve 12 cooperates with the fixed worm gear 10. According to the structure, the threaded rod 6 is arranged in the storage plate 2, the fixed worm wheel 10 on the threaded rod 6 is matched with the worm sleeve 12 on the first rotating shaft 11, and the knob 13 on the first rotating shaft 11 is rotated, so that the worm sleeve 12 drives the fixed worm wheel 10 and the threaded rod 6 to rotate; the first baffle 7 and the second baffle 9 are in threaded connection with the threaded rod 6, and when the threaded rod 6 rotates, the first baffle 7 and the second baffle 9 move close to or away from each other in the moving groove 8 to fix or loosen the document.
Further, the lifting device also comprises a bolt 18 and a groove 19; a bolt hole is formed in the rotary table 15; a bolt 18 penetrates through the bolt hole; the bolt 18 is provided with a limiting table 20 and a pressure spring 21; one end of the pressure spring 21 is connected with the turntable 15, and the other end of the pressure spring is connected with the limiting table 20; a plurality of grooves 19 are arranged on the storage rack 1; the latch 18 cooperates with the recess 19 to prevent the second shaft 14 from rotating. According to the structure, the bolt 18 is arranged on the turntable 15, the storage rack 1 is provided with the plurality of grooves 19, and the bolt 18 can be matched with any one of the grooves 19, so that the wire wheel 16 does not rotate any more, and the storage plate 2 is fixed; the bolt 18 is provided with a limit table 20 to prevent the bolt 18 from being excessively pulled out of the bolt hole by force; a pressure spring 21 is arranged on the bolt 18, and the pressure spring 21 is always in a compressed state, so that the matching stability of the bolt 18 and the groove 19 is ensured, and the bolt 18 is prevented from slipping out of the groove 19 to cause the storage plate 2 to lose the constraint and fall down due to the self gravity.
Furthermore, the lifting device also comprises a plurality of lifting grooves 4 and connecting blocks 3; the lifting groove 4 is arranged on the inner side of the storage rack 1; the connecting block 3 is arranged on the storage plate 2; a plurality of bulges are arranged on the connecting block 3; the protrusions cooperate with the lifting grooves 4. According to the structure, the connecting block 3 is arranged on the storage plate 2, and a plurality of bulges are arranged on the connecting block 3; the lifting groove 4 is arranged on the inner side of the storage frame 1, the lifting groove 4 is matched with the protrusions on the connecting block 3, the stability of the storage plate 2 is ensured, and the storage plate 2 is prevented from inclining forwards or inclining backwards.
Further, the direction of the screw thread on the first baffle 7 is opposite to the direction of the screw thread on the second baffle 9. As can be seen from the above structure, in order to make the first baffle 7 and the second baffle 9 move closer to or away from each other under the driving of the threaded rod 6, the direction of the threads on the first baffle 7 is opposite to the direction of the threads on the second baffle 9.
Further, the grooves 19 are distributed annularly; the grooves 19 correspond one-to-one with the grooves 19 in the opposite lifting device. According to the above structure, since the movement track of the pin 18 is circular and the groove 19 is matched with the pin 18, the groove 19 needs to be distributed annularly; because the storage plate 2 is connected with the two opposite lifting devices, the grooves 19 correspond to the grooves 19 in the two opposite lifting devices one by one, so that the two ends of the storage plate 2 can be ensured to be at the same height, and the storage plate 2 is prevented from inclining left and right.
Further, a bottom plate 5 is also included; the bottom of the storage rack 1 is provided with a plurality of bottom plates 5. According to the structure, the bottom of the storage rack 1 is provided with the bottom plates 5, the contact area between the file cabinet and the ground is increased by the bottom plates 5, and the stability of the whole file cabinet is guaranteed.
The utility model has the advantages that:
1. the utility model discloses be equipped with elevating gear, can improve the memory board or put down, according to the layer height of every layer of file size adjustment filing cabinet, solved prior art's filing cabinet and had the problem that the distribution of inner space can not be adjusted.
2. The utility model discloses be equipped with the clamping device that can fix the file in the inside of memory board, solved prior art's filing cabinet and had the problem that the file was emptyd easily when the file was less.
3. The grooves in the utility model correspond to the grooves in the relative lifting device one by one, thereby ensuring that the storage plate can not incline left and right; the cooperation of the lifting groove and the protrusions on the connecting block ensures that the storage plate cannot tilt forwards and backwards.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the lifting device of the present invention;
FIG. 3 is a schematic view of the clamping device of the present invention;
in the drawings: 1-storage frame, 2-storage plate, 3-connecting block, 4-lifting groove, 5-bottom plate, 6-threaded rod, 7-first baffle, 8-moving groove, 9-second baffle, 10-fixed worm gear, 11-first rotating shaft, 12-worm sleeve, 13-knob, 14-second rotating shaft, 15-turntable, 16-wire wheel, 17-rope, 18-bolt, 19-groove, 20-limit table and 21-pressure spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited to the following embodiments.
The first embodiment is as follows:
see figures 1-3. An improved structure of a file cabinet comprises a storage rack 1 and a plurality of storage plates 2; a plurality of opposite lifting devices are arranged on two sides of the storage rack 1; two ends of the storage plate 2 are respectively connected with two opposite lifting devices; and a clamping device is arranged in the storage plate 2 and used for fixing files. According to the structure, the storage rack 1 and the storage plates 2 form the basic structure of the file cabinet; a plurality of opposite lifting devices are arranged on two sides of the storage rack 1; the two opposite lifting devices are respectively connected with two ends of the storage plate 2, and the two lifting devices are matched for use, so that the storage plate 2 can be lifted or put down, the layer height of each layer of the file cabinet can be adjusted, and the problem that the internal space distribution of the file cabinet in the prior art cannot be adjusted is solved; the clamping device capable of fixing the files is arranged in the storage plate 2, so that the problem that the files are easy to topple when the files are few in the file cabinet in the prior art is solved.
Example two:
see figures 1-3. An improved structure of a file cabinet comprises a storage rack 1 and a plurality of storage plates 2; a plurality of opposite lifting devices are arranged on two sides of the storage rack 1; two ends of the storage plate 2 are respectively connected with two opposite lifting devices; and a clamping device is arranged in the storage plate 2 and used for fixing files. According to the structure, the storage rack 1 and the storage plates 2 form the basic structure of the file cabinet; a plurality of opposite lifting devices are arranged on two sides of the storage rack 1; the two opposite lifting devices are respectively connected with two ends of the storage plate 2, and the two lifting devices are matched for use, so that the storage plate 2 can be lifted or put down, the layer height of each layer of the file cabinet can be adjusted, and the problem that the internal space distribution of the file cabinet in the prior art cannot be adjusted is solved; the clamping device capable of fixing the files is arranged in the storage plate 2, so that the problem that the files are easy to topple when the files are few in the file cabinet in the prior art is solved.
The lifting device comprises a second rotating shaft 14, a turntable 15 and a wire wheel 16; the storage rack 1 is provided with a through hole; a second rotating shaft 14 penetrates through the through hole; one end of the second rotating shaft 14 is provided with a turntable 15, and the other end is provided with a wire wheel 16; a rope 17 is arranged on the wire wheel 16; one end of the rope 17 is connected with the wire wheel 16, and the other end is connected with the storage plate 2. With the above structure, the second rotating shaft 14 is provided with the wire wheel 16 at one end inside the file cabinet, the rope 17 on the wire wheel 16 is connected with the storage plate 2, the turntable 15 is provided at one end outside the file cabinet, and the wire wheel 16 is wound or unwound by rotating the turntable 15, so that the storage plate 2 can be lifted or lowered.
The clamping device comprises a threaded rod 6, a fixed worm wheel 10, a worm sleeve 12, a first rotating shaft 11, a first baffle 7 and a second baffle 9; a threaded rod 6 is arranged inside the storage plate 2; a fixed worm gear 10, a first baffle 7 and a second baffle 9 are arranged on the threaded rod 6; the threaded rod 6 is connected with the first baffle 7 and the second baffle 9 through threads; the top of the storage plate 2 is provided with a moving groove 8; the bottom of the storage plate 2 is provided with a rotating shaft hole; a first rotating shaft 11 penetrates through the rotating shaft hole; one end of the first rotating shaft 11 is connected with the top of the storage plate 2, and the other end of the first rotating shaft is provided with a knob 13; a worm sleeve 12 is sleeved on the first rotating shaft 11; the worm sleeve 12 cooperates with the fixed worm gear 10. According to the structure, the threaded rod 6 is arranged in the storage plate 2, the fixed worm wheel 10 on the threaded rod 6 is matched with the worm sleeve 12 on the first rotating shaft 11, and the knob 13 on the first rotating shaft 11 is rotated, so that the worm sleeve 12 drives the fixed worm wheel 10 and the threaded rod 6 to rotate; the first baffle 7 and the second baffle 9 are in threaded connection with the threaded rod 6, and when the threaded rod 6 rotates, the first baffle 7 and the second baffle 9 move close to or away from each other in the moving groove 8 to fix or loosen the document.
Example three:
see figures 1-3. An improved structure of a file cabinet comprises a storage rack 1 and a plurality of storage plates 2; a plurality of opposite lifting devices are arranged on two sides of the storage rack 1; two ends of the storage plate 2 are respectively connected with two opposite lifting devices; and a clamping device is arranged in the storage plate 2 and used for fixing files. According to the structure, the storage rack 1 and the storage plates 2 form the basic structure of the file cabinet; a plurality of opposite lifting devices are arranged on two sides of the storage rack 1; the two opposite lifting devices are respectively connected with two ends of the storage plate 2, and the two lifting devices are matched for use, so that the storage plate 2 can be lifted or put down, the layer height of each layer of the file cabinet can be adjusted, and the problem that the internal space distribution of the file cabinet in the prior art cannot be adjusted is solved; the clamping device capable of fixing the files is arranged in the storage plate 2, so that the problem that the files are easy to topple when the files are few in the file cabinet in the prior art is solved.
The lifting device comprises a second rotating shaft 14, a turntable 15 and a wire wheel 16; the storage rack 1 is provided with a through hole; a second rotating shaft 14 penetrates through the through hole; one end of the second rotating shaft 14 is provided with a turntable 15, and the other end is provided with a wire wheel 16; a rope 17 is arranged on the wire wheel 16; one end of the rope 17 is connected with the wire wheel 16, and the other end is connected with the storage plate 2. With the above structure, the second rotating shaft 14 is provided with the wire wheel 16 at one end inside the file cabinet, the rope 17 on the wire wheel 16 is connected with the storage plate 2, the turntable 15 is provided at one end outside the file cabinet, and the wire wheel 16 is wound or unwound by rotating the turntable 15, so that the storage plate 2 can be lifted or lowered.
The clamping device comprises a threaded rod 6, a fixed worm wheel 10, a worm sleeve 12, a first rotating shaft 11, a first baffle 7 and a second baffle 9; a threaded rod 6 is arranged inside the storage plate 2; a fixed worm gear 10, a first baffle 7 and a second baffle 9 are arranged on the threaded rod 6; the threaded rod 6 is connected with the first baffle 7 and the second baffle 9 through threads; the top of the storage plate 2 is provided with a moving groove 8; the bottom of the storage plate 2 is provided with a rotating shaft hole; a first rotating shaft 11 penetrates through the rotating shaft hole; one end of the first rotating shaft 11 is connected with the top of the storage plate 2, and the other end of the first rotating shaft is provided with a knob 13; a worm sleeve 12 is sleeved on the first rotating shaft 11; the worm sleeve 12 cooperates with the fixed worm gear 10. According to the structure, the threaded rod 6 is arranged in the storage plate 2, the fixed worm wheel 10 on the threaded rod 6 is matched with the worm sleeve 12 on the first rotating shaft 11, and the knob 13 on the first rotating shaft 11 is rotated, so that the worm sleeve 12 drives the fixed worm wheel 10 and the threaded rod 6 to rotate; the first baffle 7 and the second baffle 9 are in threaded connection with the threaded rod 6, and when the threaded rod 6 rotates, the first baffle 7 and the second baffle 9 move close to or away from each other in the moving groove 8 to fix or loosen the document.
The lifting device also comprises a bolt 18 and a groove 19; a bolt hole is formed in the rotary table 15; a bolt 18 penetrates through the bolt hole; the bolt 18 is provided with a limiting table 20 and a pressure spring 21; one end of the pressure spring 21 is connected with the turntable 15, and the other end of the pressure spring is connected with the limiting table 20; a plurality of grooves 19 are arranged on the storage rack 1; the latch 18 cooperates with the recess 19 to prevent the second shaft 14 from rotating. According to the structure, the bolt 18 is arranged on the turntable 15, the storage rack 1 is provided with the plurality of grooves 19, and the bolt 18 can be matched with any one of the grooves 19, so that the wire wheel 16 does not rotate any more, and the storage plate 2 is fixed; the bolt 18 is provided with a limit table 20 to prevent the bolt 18 from being excessively pulled out of the bolt hole by force; a pressure spring 21 is arranged on the bolt 18, and the pressure spring 21 is always in a compressed state, so that the matching stability of the bolt 18 and the groove 19 is ensured, and the bolt 18 is prevented from slipping out of the groove 19 to cause the storage plate 2 to lose the constraint and fall down due to the self gravity.
The lifting device also comprises a plurality of lifting grooves 4 and connecting blocks 3; the lifting groove 4 is arranged on the inner side of the storage rack 1; the connecting block 3 is arranged on the storage plate 2; a plurality of bulges are arranged on the connecting block 3; the protrusions cooperate with the lifting grooves 4. According to the structure, the connecting block 3 is arranged on the storage plate 2, and a plurality of bulges are arranged on the connecting block 3; the lifting groove 4 is arranged on the inner side of the storage frame 1, the lifting groove 4 is matched with the protrusions on the connecting block 3, the stability of the storage plate 2 is ensured, and the storage plate 2 is prevented from inclining forwards or inclining backwards.
The direction of the screw thread on the first baffle 7 is opposite to the direction of the screw thread on the second baffle 9. As can be seen from the above structure, in order to make the first baffle 7 and the second baffle 9 move closer to or away from each other under the driving of the threaded rod 6, the direction of the threads on the first baffle 7 is opposite to the direction of the threads on the second baffle 9.
The grooves 19 are distributed annularly; the grooves 19 correspond one-to-one with the grooves 19 in the opposite lifting device. According to the above structure, since the movement track of the pin 18 is circular and the groove 19 is matched with the pin 18, the groove 19 needs to be distributed annularly; because the storage plate 2 is connected with the two opposite lifting devices, the grooves 19 correspond to the grooves 19 in the two opposite lifting devices one by one, so that the two ends of the storage plate 2 can be ensured to be at the same height, and the storage plate 2 is prevented from inclining left and right.
Also comprises a bottom plate 5; the bottom of the storage rack 1 is provided with a plurality of bottom plates 5. According to the structure, the bottom of the storage rack 1 is provided with the bottom plates 5, the contact area between the file cabinet and the ground is increased by the bottom plates 5, and the stability of the whole file cabinet is guaranteed.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (7)
1. An improved structure of a file cabinet is characterized in that: comprises a storage rack (1) and a plurality of storage plates (2); a plurality of opposite lifting devices are arranged on two sides of the storage rack (1); two ends of the storage plate (2) are respectively connected with two opposite lifting devices; a clamping device is arranged in the storage plate (2) and used for fixing files;
the lifting device comprises a second rotating shaft (14), a rotating disc (15) and a wire wheel (16); the storage rack (1) is provided with a through hole; a second rotating shaft (14) penetrates through the through hole; one end of the second rotating shaft (14) is provided with a turntable (15), and the other end is provided with a wire wheel (16); a rope (17) is arranged on the wire wheel (16); one end of the rope (17) is connected with the wire wheel (16), and the other end of the rope is connected with the storage plate (2).
2. The improved structure of a file cabinet as claimed in claim 1, wherein: the clamping device comprises a threaded rod (6), a fixed worm wheel (10), a worm sleeve (12), a first rotating shaft (11), a first baffle plate (7) and a second baffle plate (9); a threaded rod (6) is arranged in the storage plate (2); a fixed worm gear (10), a first baffle (7) and a second baffle (9) are arranged on the threaded rod (6); the threaded rod (6) is connected with the first baffle (7) and the second baffle (9) through threads; the top of the storage plate (2) is provided with a moving groove (8); the bottom of the storage plate (2) is provided with a rotating shaft hole; a first rotating shaft (11) penetrates through the rotating shaft hole; one end of the first rotating shaft (11) is connected with the top of the storage plate (2), and the other end of the first rotating shaft is provided with a knob (13); a worm sleeve (12) is sleeved on the first rotating shaft (11); the worm sleeve (12) is matched with the fixed worm wheel (10).
3. The improved structure of a file cabinet as claimed in claim 1, wherein: the lifting device also comprises a bolt (18) and a groove (19); a bolt hole is formed in the rotary table (15); a bolt (18) penetrates through the bolt hole; the bolt (18) is provided with a limiting table (20) and a pressure spring (21); one end of the pressure spring (21) is connected with the turntable (15), and the other end of the pressure spring is connected with the limiting table (20); a plurality of grooves (19) are arranged on the storage rack (1); the bolt (18) is matched with the groove (19) and used for preventing the second rotating shaft (14) from rotating.
4. The improved structure of a file cabinet as claimed in claim 1, wherein: the lifting device also comprises a plurality of lifting grooves (4) and connecting blocks (3); the lifting groove (4) is arranged on the inner side of the storage rack (1); the connecting block (3) is arranged on the storage plate (2); a plurality of bulges are arranged on the connecting block (3); the protrusion is matched with the lifting groove (4).
5. The improved structure of a file cabinet as claimed in claim 2, wherein: the direction of the threads on the first baffle (7) is opposite to the direction of the threads on the second baffle (9).
6. The improved structure of a file cabinet as claimed in claim 3, wherein: the grooves (19) are distributed annularly; the grooves (19) correspond to the grooves (19) in the opposite lifting device one by one.
7. The improved structure of a file cabinet as claimed in claim 1, wherein: also comprises a bottom plate (5); the bottom of the storage rack (1) is provided with a plurality of bottom plates (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022295231.3U CN214179681U (en) | 2020-10-15 | 2020-10-15 | Improved structure of file cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022295231.3U CN214179681U (en) | 2020-10-15 | 2020-10-15 | Improved structure of file cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214179681U true CN214179681U (en) | 2021-09-14 |
Family
ID=77642052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022295231.3U Expired - Fee Related CN214179681U (en) | 2020-10-15 | 2020-10-15 | Improved structure of file cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214179681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509462A (en) * | 2022-02-18 | 2022-05-17 | 中国核动力研究设计院 | Scanning electron microscope shielding sample holder and system for radioactive test sample |
-
2020
- 2020-10-15 CN CN202022295231.3U patent/CN214179681U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509462A (en) * | 2022-02-18 | 2022-05-17 | 中国核动力研究设计院 | Scanning electron microscope shielding sample holder and system for radioactive test sample |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210914 |