CN113309941A - Effectual LED display screen controller combats earthquake - Google Patents
Effectual LED display screen controller combats earthquake Download PDFInfo
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- CN113309941A CN113309941A CN202110471214.7A CN202110471214A CN113309941A CN 113309941 A CN113309941 A CN 113309941A CN 202110471214 A CN202110471214 A CN 202110471214A CN 113309941 A CN113309941 A CN 113309941A
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- 230000000694 effects Effects 0.000 claims abstract description 19
- 230000035939 shock Effects 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses an LED display screen controller with good anti-seismic effect, which comprises a display screen, a fixed block, a fixed rod, a fixed ring, a convex block, a groove, a fixed seat, a fixed groove, a guide rod, an annular groove, a guide block, a guide groove, a protective seat, a support plate, a controller, a support rod, a support sleeve, a first spring, a chute, a vertical rod, a slide block, a second spring, a connecting block, a buckling groove, a clamping block, a clamping groove, a positioning block, a third spring, an upper cover, a sealing block, a through groove, a positioning plate, a connecting seat, a connecting plate and a fourth spring, wherein the fixed block is fixedly connected to the display screen, the through groove is formed in the fixed block, the fixed rod is connected to the inside of the through groove in a sliding manner, the fixed ring is fixedly connected to the fixed rod, the fixed ring is in contact with the fixed block, and the two symmetrical convex blocks are fixedly connected to the fixed rod. The controller has the characteristics of controller protection and controller shock resistance.
Description
Technical Field
The invention belongs to the technical field of LED display screens, and particularly relates to an LED display screen controller with a good anti-seismic effect.
Background
The LED electronic display screen integrates the microelectronic technology, the computer technology and the information processing, and has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable work and the like. The LED display screen is widely applied to commercial media, cultural performance markets, stadiums, information dissemination, news distribution, stock exchange and the like, can meet the requirements of different environments, and is controlled by a special controller. However, the current control device has some problems: 1. when the controller is idle, the controller is inconvenient to protect and store; 2. if the controller is subjected to large vibration, the internal parts of the controller can be loosened.
The invention content is as follows:
the present invention is directed to provide an LED display screen controller with good shock resistance to solve the above problems, and to solve the problems mentioned in the background art.
In order to solve the above problems, the present invention provides a technical solution:
an LED display screen controller with good shock resistance effect comprises a display screen, a fixed block, a fixed rod, a fixed ring, a lug, a groove, a fixed seat, a fixed groove, a guide rod, an annular groove, a guide block, a guide groove, a protective seat, a support plate, a controller, a support rod, a support sleeve, a first spring, a sliding groove, a vertical rod, a sliding block, a second spring, a connecting block, a buckling groove, a clamping block, a clamping groove, a positioning block, a third spring, an upper cover, a sealing block, a through groove, a positioning plate, a connecting seat, a connecting plate and a fourth spring, wherein the fixed block is fixedly connected on the display screen, the through groove is formed in the fixed block, the fixed rod is slidably connected in the through groove, the fixed ring is fixedly connected on the fixed rod, the fixed ring is in contact with the fixed block, the two symmetrical lugs are fixedly connected on the fixed rod, the lug is in clamped connection with the fixed block, the fixed seat is in contact with the fixed block, the fixing base is provided with a fixing groove, the inside of the fixing groove is fixedly connected with a guide rod, the guide rod is provided with a ring groove, the inside of the ring groove is connected with a fixing rod in a sliding mode, the outer side of the guide rod is sleeved with a guide block in a sliding mode, the guide block is connected with the fixing groove in a sliding mode, the guide block is fixedly connected with the fixing block, and the fixing base is fixedly connected with a protection base.
Preferably, the outer side of the protection seat is slidably sleeved with the connecting seat, the inner portion of the connecting seat is slidably connected with a connecting plate, the connecting plate is in contact with the protection seat, a fourth spring is fixedly connected to the connecting plate, and the other end of the fourth spring is fixedly connected with the connecting seat.
Preferably, a supporting plate is connected inside the protecting seat in a sliding manner, a controller is connected to the supporting plate in a contact manner, the lower end of the supporting plate is fixedly connected with a supporting rod, the outer side of the supporting rod is sleeved with a supporting sleeve in a sliding manner, the supporting sleeve is fixedly connected with the protecting seat, a first spring is arranged in the supporting sleeve, one end of the first spring is contacted with the supporting rod, the other end of the first spring is contacted with the protective seat, the protective seat is provided with a chute, the inside of the chute is fixedly connected with a vertical rod, a sliding block is sleeved on the outer side of the vertical rod in a sliding manner, the sliding block is connected with the sliding groove in a sliding manner, a second spring is arranged on the outer side of the vertical rod, fixedly connected with connecting block on the slider, be provided with the catching groove on the connecting block, the connecting block contacts with the protection seat, fixedly connected with fixture block on the connecting block, the joint has the locating plate on the fixture block.
Preferably, the inside sliding connection of protection seat has the locating plate, the locating plate contacts with the controller, fixedly connected with locating piece on the locating plate, fixedly connected with third spring on the locating piece, the other end and the protection seat fixed connection of third spring, it has two symmetrical upper covers, every to articulate on the protection seat cover fixedly connected with seal block, two hug closely between the seal block.
Preferably, the fixing block is provided with a groove, the groove is communicated with the through groove, and a bump is clamped inside the groove.
Preferably, the guide block is provided with a guide groove, and a guide rod is slidably connected inside the guide groove.
Preferably, one end of the second spring is in contact with the slider, and the other end of the second spring is in contact with the protective seat.
Preferably, the positioning plate is provided with a clamping groove, and a clamping block is clamped inside the clamping groove.
The invention has the beneficial effects that: the invention relates to an LED display screen controller with good anti-seismic effect, which has the characteristics of controller protection and controller anti-seismic, and in specific use, compared with the traditional LED display screen controller with good anti-seismic effect, the LED display screen controller with good anti-seismic effect has the following two beneficial effects:
firstly, the controller is placed in the protection seat through design to achieve a protection effect on the controller, and the controller can be ejected out of the protection seat after the positioning plate is separated from the protection seat, so that the controller is convenient to take out and use, and the controller can be protected from dust through the action of the upper cover;
secondly, through the sliding connection of design connecting plate and connecting seat for the protection seat can reciprocate in the connecting seat, can drive the controller vibrations in the protection seat when the display screen takes place to shake, and the elastic action through the fourth spring can play the effect of a buffering to the shaking force that the protection seat received, thereby reaches the effect that reduces the controller vibrations, and the protection seat can be dismantled, convenient the maintenance.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a perspective view of the overall construction of the present invention;
FIG. 2 is a front cross-sectional view of the invention of FIG. 1;
FIG. 3 is a cross-sectional view of the protective housing of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 2 according to the present invention;
FIG. 5 is an enlarged view of FIG. 3 at B according to the present invention;
fig. 6 is an enlarged view of fig. 3 at C according to the present invention.
In the figure: 1. a display screen; 2. a fixed block; 3. fixing the rod; 4. a fixing ring; 5. a bump; 6. a groove; 7. a fixed seat; 8. fixing grooves; 9. a guide bar; 10. an annular groove; 11. a guide block; 12. a guide groove; 13. a protective seat; 14. a support plate; 15. a controller; 16. a support bar; 17. a support sleeve; 18. a first spring; 19. a chute; 20. a vertical rod; 21. a slider; 22. a second spring; 23. connecting blocks; 24. buckling grooves; 25. a clamping block; 26. a card slot; 27. positioning blocks; 28. a third spring; 29. an upper cover; 30. a sealing block; 31. a through groove; 32. positioning a plate; 33. a connecting seat; 34. a connecting plate; 35. and a fourth spring.
The specific implementation mode is as follows:
as shown in fig. 1 to 6, the following technical solutions are adopted in the present embodiment:
example (b):
an LED display screen controller with good shock resistance effect comprises a display screen 1, a fixing block 2, a fixing rod 3, a fixing ring 4, a bump 5, a groove 6, a fixing seat 7, a fixing groove 8, a guide rod 9, an annular groove 10, a guide block 11, a guide groove 12, a protection seat 13, a support plate 14, a controller 15, a support rod 16, a support sleeve 17, a first spring 18, a sliding groove 19, a vertical rod 20, a sliding block 21, a second spring 22, a connecting block 23, a buckling groove 24, a clamping block 25, a clamping groove 26, a positioning block 27, a third spring 28, an upper cover 29, a sealing block 30, a through groove 31, a positioning plate 32, a connecting seat 33, a connecting plate 34 and a fourth spring 35, wherein the fixing block 2 is fixedly connected to the display screen 1, the through groove 31 is formed in the fixing block 2, the fixing rod 3 is slidably connected to the inside of the through groove 31, the fixing ring 4 is fixedly connected to the fixing ring 3, and the fixing ring 4 is in contact with the fixing block 2, lug 5 of two symmetries of fixedly connected with on the dead lever 3, lug 5 are made for a rubber material, lug 5 and 2 joints of fixed block, the contact has fixing base 7 on the fixed block 2, fixed slot 8 has been seted up on the fixing base 7, the inside fixedly connected with guide bar 9 of fixed slot 8, ring channel 10 has been seted up on the guide bar 9, the inside sliding connection of ring channel 10 has dead lever 3, guide block 11 has been cup jointed in the outside slip of guide bar 9, guide block 11 and 8 sliding connection of fixed slot, guide block 11 and 2 fixed connection of fixed block, fixedly connected with protection seat 13 on the fixing base 7.
The outer side of the protection seat 13 is slidably sleeved with a connecting seat 33, the inside of the connecting seat 33 is slidably connected with a connecting plate 34, the connecting plate 34 is in contact with the protection seat 13, a fourth spring 35 is fixedly connected to the connecting plate 34, and the other end of the fourth spring 35 is fixedly connected with the connecting seat 33. The fourth spring 35 is designed such that the force of the fourth spring 35 acts on the connecting plate 34.
Wherein, the inside sliding connection of protection seat 13 has a backup pad 14, the contact is connected with controller 15 on backup pad 14, the lower extreme fixedly connected with bracing piece 16 of backup pad 14, the outside sliding cup joint of bracing piece 16 supports cover 17, support cover 17 and protection seat 13 fixed connection, the inside of supporting cover 17 is provided with first spring 18, the one end of first spring 18 and bracing piece 16 contact, the other end of first spring 18 and protection seat 13 contact, the last spout 19 that has seted up of protection seat 13, the inside fixed connection of spout 19 has montant 20, the outside sliding cup joint of montant 20 has slider 21, slider 21 and spout 19 sliding connection, the outside of montant 20 is provided with second spring 22, the last fixed connection of slider 21 has connecting block 23, be provided with catching groove 24 on connecting block 23, the connecting block 23 contacts with the protection seat 13, a clamping block 25 is fixedly connected to the connecting block 23, and a positioning plate 32 is clamped on the clamping block 25. By designing the protective seat 13, a protective effect can be provided for the controller 15.
Wherein, the inside sliding connection of protection seat 13 has locating plate 32, locating plate 32 and the contact of controller 15, fixedly connected with locating piece 27 on the locating plate 32, fixedly connected with third spring 28 on the locating piece 27, the other end and the protection seat 13 fixed connection of third spring 28, it has two symmetrical upper covers 29, every to articulate on the protection seat 13 fixedly connected with seal block 30, two on the upper cover 29 hug closely between the seal block 30. The third spring 28 is designed such that the force of the third spring 28 acts on the positioning block 27.
Wherein, the fixed block 2 is provided with a groove 6, the groove 6 is communicated with the through groove 31, and the inner part of the groove 6 is clamped with a lug 5. Through the joint of design recess 6 and lug 5, can be fixed block 2 and dead lever 3.
The guide block 11 is provided with a guide groove 12, and the guide groove 12 is connected with a guide rod 9 in a sliding manner. The guide block 11 is slidable on the guide rod 9 by designing the guide groove 12.
Wherein, one end of the second spring 22 is contacted with the sliding block 21, and the other end of the second spring 22 is contacted with the protection seat 13. The second spring 22 is designed such that the force of the second spring 22 acts on the slider 21.
A clamping groove 26 is formed in the positioning plate 32, and a clamping block 25 is clamped inside the clamping groove 26.
The using state of the invention is as follows: when the controller 15 is required to be placed in the protection seat 13, the upper covers 29 are rotated to open the two upper covers 29, the controller 15 is inserted into the protection seat 13, the controller 15 is pressed downwards, the controller 15 completely enters the protection seat 13, the controller 15 drives the supporting plate 14 to move downwards, the supporting plate 14 drives the supporting rod 16 to press the first spring 18 downwards, then the positioning block 27 is pressed inwards, the positioning block 27 presses the third spring 28, the positioning block 27 drives the positioning plate 32 to move, the positioning plate 32 slides on the clamping block 25, when the clamping groove 26 moves to the clamping block 25, the clamping block 25 is inserted into the clamping groove 26, the positioning effect of the positioning plate 32 is achieved, and meanwhile, the positioning plate 32 moves into the protection seat 13 to be contacted with the controller 15, the controller 15 is contacted with the lower end of the positioning plate 32, then the upper cover 29 is closed, and the controller 15 can be protected from dust through the action of the upper cover 29, that is, the installation of the controller 15 is completed. When the controller 15 needs to be taken out for use, the fastening groove 24 is buckled by a hand, the connecting block 23 moves downwards, the connecting block 23 drives the clamping block 25 to move, the clamping block 25 is separated from the fastening groove 26, meanwhile, the connecting block 23 can drive the sliding block 21 to slide along the vertical rod 20, the sliding block 21 can extrude the second spring 22, at the moment, through the elastic action of the third spring 28, the positioning block 27 can be driven to move outwards, the positioning block 27 can drive the positioning plate 32 to move outwards, the positioning plate 32 is separated from the controller 15, at the moment, through the elastic action of the first spring 18, the supporting rod 16 can move upwards, the supporting rod 16 can drive the supporting plate 14 to move upwards, the supporting plate 14 can drive the controller 15 to move, the controller 15 is in contact with the upper cover 29 and can push the upper cover 29 open, the controller 15 can be ejected out of the protective seat 13, and the controller 15 can be conveniently taken out for use. When protection seat 13 receives vibrations, protection seat 13 can make inside controller 15 vibrations, protection seat 13 can the downstream, protection seat 13 can drive fixing base 7 downstream, fixing base 7 drives guide bar 9 and slides in guide block 11, dead lever 3 can slide in ring channel 10, protection seat 13 can drive connecting plate 34 downstream simultaneously, connecting plate 34 can extrude fourth spring 35, elastic reaction through fourth spring 35, can give connecting plate 34 ascending reaction force, thereby can play the cushioning effect to the vibrations power, thereby reach the effect that reduces the vibrations that controller 15 received. When needs dismantle the maintenance with protection seat 13, to the solid fixed ring 4 of outside pulling, solid fixed ring 4 drives dead lever 3 and removes, and dead lever 3 drives lug 5 and removes for lug 5 and recess 6 separation, dead lever 3 can separate with fixing base 7 simultaneously, then can directly upwards stimulate protection seat 13, makes protection seat 13 and connecting plate 34 separation, can take off protection seat 13, makes protection seat 13 can dismantle, convenient the maintenance.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. An LED display screen controller with good shock resistance effect comprises a display screen (1), a fixing block (2), a fixing rod (3), a fixing ring (4), a bump (5), a groove (6), a fixing seat (7), a fixing groove (8), a guide rod (9), an annular groove (10), a guide block (11), a guide groove (12), a protection seat (13), a support plate (14), a controller (15), a support rod (16), a support sleeve (17), a first spring (18), a sliding groove (19), a vertical rod (20), a sliding block (21), a second spring (22), a connecting block (23), a buckling groove (24), a clamping block (25), a clamping groove (26), a positioning block (27), a third spring (28), an upper cover (29), a sealing block (30), a through groove (31), a positioning plate (32), a connecting seat (33), a connecting plate (34) and a fourth spring (35), the method is characterized in that: the display screen is characterized in that a fixed block (2) is fixedly connected to the display screen (1), a through groove (31) is formed in the fixed block (2), a fixed rod (3) is connected to the inside of the through groove (31) in a sliding manner, a fixed ring (4) is fixedly connected to the fixed rod (3), the fixed ring (4) is in contact with the fixed block (2), two symmetrical convex blocks (5) are fixedly connected to the fixed rod (3), the convex blocks (5) are clamped with the fixed block (2), a fixed seat (7) is in contact with the fixed block (2), a fixed groove (8) is formed in the fixed seat (7), a guide rod (9) is fixedly connected to the inside of the fixed groove (8), a ring groove (10) is formed in the guide rod (9), the fixed rod (3) is connected to the inside of the ring groove (10) in a sliding manner, and a guide block (11) is sleeved on the outer side of the guide rod (9) in a sliding manner, guide block (11) and fixed slot (8) sliding connection, guide block (11) and fixed block (2) fixed connection, fixedly connected with protection seat (13) on fixing base (7).
2. The LED display screen controller with good shock resistance effect according to claim 1, wherein: the outer side of the protection seat (13) is sleeved with a connecting seat (33) in a sliding mode, the inner portion of the connecting seat (33) is connected with a connecting plate (34) in a sliding mode, the connecting plate (34) is in contact with the protection seat (13), a fourth spring (35) is fixedly connected to the connecting plate (34), and the other end of the fourth spring (35) is fixedly connected with the connecting seat (33).
3. The LED display screen controller with good shock resistance according to claim 2, wherein: the inner sliding connection of the protection seat (13) is provided with a support plate (14), the support plate (14) is connected with a controller (15) in a contact manner, the lower end of the support plate (14) is fixedly connected with a support rod (16), the outer side of the support rod (16) is sleeved with a support sleeve (17) in a sliding manner, the support sleeve (17) is fixedly connected with the protection seat (13), the inner part of the support sleeve (17) is provided with a first spring (18), one end of the first spring (18) is contacted with the support rod (16), the other end of the first spring (18) is contacted with the protection seat (13), the protection seat (13) is provided with a sliding groove (19), the inner part of the sliding groove (19) is fixedly connected with a vertical rod (20), the outer side of the vertical rod (20) is sleeved with a sliding block (21) in a sliding manner, the sliding block (21) is connected with the sliding groove (19) in a sliding manner, and the outer side of the vertical rod (20) is provided with a second spring (22), fixedly connected with connecting block (23) on slider (21), be provided with catching groove (24) on connecting block (23), connecting block (23) and protection seat (13) contact, fixedly connected with fixture block (25) on connecting block (23), the joint has locating plate (32) on fixture block (25).
4. The LED display screen controller with good shock resistance effect according to claim 3, wherein: the inside sliding connection of protection seat (13) has locating plate (32), locating plate (32) and controller (15) contact, fixedly connected with locating piece (27) are gone up in locating plate (32), fixedly connected with third spring (28) are gone up in locating piece (27), the other end and protection seat (13) fixed connection of third spring (28), it has upper cover (29) of two symmetries, every to articulate on protection seat (13) fixedly connected with seal block (30), two on upper cover (29) hug closely between seal block (30).
5. The LED display screen controller with good shock resistance effect according to claim 4, wherein: the fixing block (2) is provided with a groove (6), the groove (6) is communicated with the through groove (31), and the inner part of the groove (6) is clamped with a lug (5).
6. The LED display screen controller with good shock resistance effect according to claim 5, wherein: a guide groove (12) is formed in the guide block (11), and a guide rod (9) is connected to the inside of the guide groove (12) in a sliding mode.
7. The LED display screen controller with good shock resistance effect according to claim 6, wherein: one end of the second spring (22) is in contact with the sliding block (21), and the other end of the second spring (22) is in contact with the protective seat (13).
8. The LED display screen controller with good shock resistance according to claim 7, wherein: a clamping groove (26) is formed in the positioning plate (32), and a clamping block (25) is clamped inside the clamping groove (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110471214.7A CN113309941B (en) | 2021-04-29 | 2021-04-29 | Effectual LED display screen controller combats earthquake |
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|---|---|---|---|
| CN202110471214.7A CN113309941B (en) | 2021-04-29 | 2021-04-29 | Effectual LED display screen controller combats earthquake |
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| CN113309941B CN113309941B (en) | 2022-05-31 |
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| CN108448804A (en) * | 2018-04-10 | 2018-08-24 | 周琼 | A kind of marine generator equipment |
| CN208716768U (en) * | 2018-07-25 | 2019-04-09 | 乌木马科技（天津）有限公司 | A kind of electric forklift controller with self-protection function |
| CN209549933U (en) * | 2018-11-28 | 2019-10-29 | 杭州致新魔方科技咨询有限公司 | A kind of material vibration splitting machine |
| CN209557926U (en) * | 2019-01-22 | 2019-10-29 | 上海湘辉电子科技有限公司 | A kind of computer cabinet protective device |
| CN209880406U (en) * | 2019-04-23 | 2019-12-31 | 武汉四维恒通科技有限公司 | Capacitor with shock-absorbing function |
| CN211248181U (en) * | 2019-11-08 | 2020-08-14 | 山东邹平旺达锻压有限公司 | Energy-saving emission-reducing type flange forging equipment |
| CN212867697U (en) * | 2020-08-11 | 2021-04-02 | 常州信卓汽车部件有限公司 | Lightweight water tank frame |
| CN212970400U (en) * | 2020-09-22 | 2021-04-13 | 科尔帕默实验设备(上海)有限公司 | Portable temperature controller with protective housing |
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