CN221442950U - Adjustable fan hanging bracket for ventilation of civil air defense - Google Patents
Adjustable fan hanging bracket for ventilation of civil air defense Download PDFInfo
- Publication number
- CN221442950U CN221442950U CN202323324215.2U CN202323324215U CN221442950U CN 221442950 U CN221442950 U CN 221442950U CN 202323324215 U CN202323324215 U CN 202323324215U CN 221442950 U CN221442950 U CN 221442950U
- Authority
- CN
- China
- Prior art keywords
- plate
- fixed
- mounting
- fan
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 28
- 230000007123 defense Effects 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000013519 translation Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 229920000742 Cotton Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to the technical field of fan hanging frames, in particular to an adjustable fan hanging frame for civil air defense ventilation, which comprises a mounting plate, wherein a movable plate is arranged below the mounting plate, a fixed plate connected with the movable plate is arranged below the movable plate, a mounting cylinder is embedded in the front side surface of the fixed plate, a fan is mounted in the mounting cylinder and close to the front end, and the adjustable fan hanging frame further comprises: the lifting mechanism is arranged between the movable plate and the fixed plate and used for adjusting the height of the fan, and comprises an electric push rod with a rod body arranged on the bottom surface of the movable plate and a connecting plate fixed on the top surface of the fixed plate. According to the utility model, the height of the fan can be indirectly adjusted by arranging the lifting mechanism, and the horizontal position of the lifting mechanism can be adjusted by arranging the translation mechanism, so that the horizontal position of the fan can be indirectly adjusted, ventilation dead angles are prevented from being generated in the ventilation process, and the ventilation effect is better.
Description
Technical Field
The utility model relates to the technical field of fan hanging frames, in particular to an adjustable fan hanging frame for civil air defense ventilation.
Background
In order to ensure the ventilation in the civil air protection basement, people can usually set a ventilation opening in the civil air protection basement, then install a fan at the ventilation opening to increase the flow rate of air, and a fan hanging bracket is needed in the installation process of the fan.
The utility model discloses a can dismantle easy maintenance fan gallows for publication number CN215371968U relates to electromechanical device installation field, including the shell body, the top welding of shell body has the welded plate, the rear portion threaded connection of shell body has the mounting, the inside embedding of shell body is provided with the fan subassembly, the inside wall of shell body is located the rear portion and has seted up the internal thread groove, the inside wall of shell body is located the front portion and has been seted up the connection thread groove, the inside of shell body is located the middle part embedding and is provided with the amortization cotton, the draw-in groove has been seted up to the last rear side that is located of amortization cotton.
Although this fan gallows passes through the inside of fan subassembly embedding at the shell body, the back butt of fan subassembly is on the mounting simultaneously, mounting and shell body threaded connection can be convenient for follow-up user dismantle mounting and fan subassembly, follow-up maintainer of being convenient for dismantles the maintenance to the fan subassembly, current fan gallows has been solved, be inconvenient for the maintainer to dismantle and maintain the fan, increase the problem of degree of difficulty to the maintainer at the during operation, but this fan gallows does not set up the structure of adjusting the fan position, can not adjust the horizontal position and the vertical position of fan, the fan exists ventilation dead angle in the use, ventilation effect is relatively poor.
Disclosure of utility model
The utility model aims to provide an adjustable fan hanging bracket for civil air defense ventilation, which aims to solve the problems that the fan hanging bracket provided in the background art is not provided with a structure for adjusting the position of a fan, the horizontal position and the vertical position of the fan cannot be adjusted, the fan has ventilation dead angles in the using process, and the ventilation effect is poor.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a fan gallows with adjustable people's air defense is ventilated, includes the mounting panel, the mounting panel below is equipped with the movable plate, the movable plate below is equipped with the fixed plate that is connected with it, the front side surface of fixed plate inlays and is equipped with the installation section of thick bamboo, the installation section of thick bamboo is inside to be close to front end department and installs the fan, still includes:
The lifting mechanism is arranged between the movable plate and the fixed plate and used for adjusting the height of the fan, and comprises an electric push rod, a connecting plate and a gasket, wherein the rod body of the electric push rod is arranged on the bottom surface of the movable plate, the connecting plate is fixed on the top surface of the fixed plate, and the gasket is fixed between the connecting plate and a piston rod of the electric push rod;
The translation mechanism is arranged on the bottom surface of the mounting plate and used for driving the movable plate to horizontally move, the translation mechanism comprises two vertical plates fixed on the bottom surface of the mounting plate, two rotating rods connected with the vertical plates on the same side in a rotating way, a screw rod coaxially fixed between the two rotating rods, a rotating column coaxially fixed on one rotating rod far away from one side surface of the screw rod, a driven wheel coaxially fixed on the outer wall of the rotating column, a motor arranged on one vertical plate far away from one side surface of the screw rod and used for driving the driven wheel to rotate, and a movable block in threaded connection with the screw rod and in sliding connection with the bottom surface of the mounting plate is fixed on the top surface of the movable plate.
As a preferred implementation mode, the translation mechanism further comprises a rotating shaft coaxially connected with the output shaft of the motor and a driving wheel coaxially fixed on the outer wall of the rotating shaft, and the driving wheel is in transmission connection with the driven wheel through a belt.
As a preferable implementation mode, two guide grooves are formed in the bottom surface of the mounting plate, and two guide blocks which are connected with the guide grooves on the same side of the bottom surface of the mounting plate in a sliding mode are fixed on the top surface of the moving block.
As a preferred implementation mode, elevating system still includes the protection section of thick bamboo of fixing in the movable plate bottom, electric putter's body of rod is located inside the protection section of thick bamboo, electric putter's piston rod runs through the protection section of thick bamboo bottom surface, elevating system still includes the protection box of fixing at one of them riser one side surface of keeping away from the screw rod, the motor is located inside the protection box, just the pivot runs through the protection box and keeps away from one side outer wall of screw rod.
As a preferred embodiment, the longitudinal section of the guide groove on the bottom surface of the mounting plate is in an i shape, and the guide block is in an i shape adapted to the shape of the guide groove on the bottom surface of the mounting plate.
As a preferred implementation mode, two mutually symmetrical mounting blocks are fixed on the front side surface and the rear side surface of the mounting plate, and the top surfaces of the mounting blocks and the top surface of the mounting plate are positioned on the same horizontal plane.
As a preferred embodiment, a mounting frame fixed to the mounting cylinder by two screws is arranged in the mounting cylinder near the rear end, and a filter plate with the size matched with the mounting frame is arranged in the mounting frame.
As a preferred embodiment, a push-pull rod is fixed on the rear side surface of the filter plate, and the length of the push-pull rod is 7-17cm.
Compared with the prior art, the utility model has the beneficial effects that:
1. The height of the fan can be indirectly adjusted by arranging the lifting mechanism, and the horizontal position of the lifting mechanism can be adjusted by arranging the translation mechanism, so that the horizontal position of the fan can be indirectly adjusted, ventilation dead angles are prevented from being generated in the ventilation process, and the ventilation effect is better;
2. According to the utility model, the mounting frame fixed with the mounting cylinder by two screws is arranged at the position, close to the rear end, of the mounting cylinder, and the filter plate matched with the mounting frame in size is arranged in the mounting frame, so that air entering the civil air-defense basement can be filtered by arranging the filter plate, and the air in the civil air-defense basement is more fresh.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the translation mechanism of the present utility model;
FIG. 3 is a partial exploded view of the translation mechanism of the present utility model;
FIG. 4 is a schematic view of a partial structure of the present utility model;
FIG. 5 is a schematic view of the overall structure of the lifting mechanism according to the present utility model;
FIG. 6 is a schematic view showing the internal structure of the mounting cylinder of the present utility model;
fig. 7 is a partial exploded view of the present utility model.
The meaning of each reference numeral in the figures is:
1. A mounting plate; 2. a mounting block; 3. a moving plate; 4. a fixing plate; 5. a mounting cylinder; 6. a translation mechanism; 61. a vertical plate; 62. a screw; 63. a moving block; 64. a guide block; 65. a belt; 66. a rotating rod; 67. a rotating column; 68. driven wheel; 69. a motor; 610. a rotating shaft; 611. a driving wheel; 612. a protection box; 7. a lifting mechanism; 71. an electric push rod; 72. a connecting plate; 73. a gasket; 74. a protective cylinder; 8. a blower; 9. a mounting frame; 10. a filter plate; 11. a push-pull rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 7, the present utility model provides a technical solution: the utility model provides a fan gallows with adjustable people's air defense is ventilated and is used, includes mounting panel 1, and mounting panel 1 below is equipped with movable plate 3, and movable plate 3 below is equipped with fixed plate 4 rather than being connected, and the front side surface of fixed plate 4 inlays and is equipped with a section of thick bamboo 5, and a section of thick bamboo 5 is inside to be close to front end department and installs fan 8, still includes:
the lifting mechanism 7 is arranged between the movable plate 3 and the fixed plate 4 and is used for adjusting the height of the fan 8, and the lifting mechanism 7 comprises an electric push rod 71 with a rod body arranged on the bottom surface of the movable plate 3, a connecting plate 72 fixed on the top surface of the fixed plate 4 and a gasket 73 fixed between the connecting plate 72 and a piston rod of the electric push rod 71;
The translation mechanism 6 is arranged on the bottom surface of the mounting plate 1 and is used for driving the moving plate 3 to horizontally move, the translation mechanism 6 comprises two vertical plates 61 fixed on the bottom surface of the mounting plate 1, two rotating rods 66 rotationally connected with the same side vertical plates 61, a screw rod 62 coaxially fixed between the two rotating rods 66, a rotating column 67 coaxially fixed on the surface of one rotating rod 66 far away from the screw rod 62, a driven wheel 68 coaxially fixed on the outer wall of the rotating column 67, a motor 69 which is arranged on the surface of one vertical plate 61 far away from the screw rod 62 and is used for driving the driven wheel 68 to rotate, and a moving block 63 which is in threaded connection with the screw rod 62 and is in sliding connection with the bottom surface of the mounting plate 1 is fixed on the top surface of the moving plate 3, the height of the fan 8 can be indirectly adjusted through the arrangement of the lifting mechanism 7, the horizontal position of the lifting mechanism 7 can be indirectly adjusted through the arrangement of the translation mechanism 6, the horizontal position of the fan 8 can be indirectly adjusted, the ventilation dead angle can be prevented from being generated in the ventilation process, and the ventilation effect can be better.
In this embodiment, the translation mechanism 6 further includes a rotating shaft 610 coaxially connected to the output shaft of the motor 69, and a driving wheel 611 coaxially fixed on the outer wall of the rotating shaft 610, where the driving wheel 611 is in transmission connection with the driven wheel 68 through a belt 65, so that the driven wheel 68 can be smoothly driven to rotate, and the screw 62 can be smoothly driven to rotate.
Besides, two guide grooves are formed in the bottom surface of the mounting plate 1, and two guide blocks 64 which are slidably connected with the guide grooves on the same side of the bottom surface of the mounting plate 1 are fixed on the top surface of the moving block 63, so that the movement of the moving block 63 can be guided, and the movement of the fan 8 can be indirectly guided.
Further, the lifting mechanism 7 further comprises a protection cylinder 74 fixed at the bottom end of the moving plate 3, the rod body of the electric push rod 71 is located inside the protection cylinder 74, the piston rod of the electric push rod 71 penetrates through the bottom surface of the protection cylinder 74, the lifting mechanism 7 further comprises a protection box 612 fixed on one side surface of one of the vertical plates 61 far away from the screw rod 62, the motor 69 is located inside the protection box 612, and the rotating shaft 610 penetrates through the outer wall of one side of the protection box 612 far away from the screw rod 62, so that the electric push rod 71 and the motor 69 can be protected, and the service life of the motor 69 and the electric push rod 71 is prolonged.
Specifically, the longitudinal section shape of the guide groove on the bottom surface of the mounting plate 1 is i-shaped, and the shape of the guide block 64 is i-shaped matching with the shape of the guide groove on the bottom surface of the mounting plate 1, so that the connection between the guide block 64 and the guide groove on the same side of the bottom surface of the mounting plate 1 is tighter, and the fan 8 is more stable in the moving process indirectly.
It is worth noting that the front and back side surfaces of the mounting plate 1 are both fixed with two mounting blocks 2 which are symmetrical to each other, and the top surface of the mounting block 2 and the top surface of the mounting plate 1 are located on the same horizontal plane, so that the whole fan hanger can be mounted.
It is worth noting that the inside of the installation cylinder 5 is provided with the installation frame 9 fixed with the installation cylinder through two screws at the position close to the rear end, and the inside of the installation frame 9 is provided with the filter plate 10 matched with the installation frame in size, and air entering the civil air protection basement can be filtered through the filter plate 10, so that the air in the civil air protection basement is more fresh.
It should be emphasized that the push-pull rod 11 is fixed on the rear surface of the filter plate 10, and the length of the push-pull rod 11 is 7-17cm, preferably 10cm, so that the mounting frame 9 is convenient to detach, and the filter plate 10 is convenient to clean.
Finally, it should be noted that the components such as the motor 69, the electric push rod 71, the fan 8 and the like in the present utility model are all universal standard components or components known to those skilled in the art, the structure and principle of the components are all known to those skilled in the art through technical manuals or known through routine experimental methods, at the idle position of the present device, all the electric devices are connected through wires, which refer to power elements, electric devices and adaptive controllers, and power supply, and specific connection means should refer to the working principle in the present utility model, and all the electric devices are electrically connected according to the sequence of operation, and the detailed connection means are all known in the art.
In the specific use process, when the position of the fan 8 needs to be adjusted, firstly, the electric push rod 71 is started through the external PLC, the piston rod of the electric push rod 71 moves to drive the connecting plate 72 fixed with the electric push rod 71 through the gasket 73 to move, the connecting plate 72 moves to drive the fixing plate 4 fixed with the connecting plate 72 to move, the fixing plate 4 moves to drive the mounting cylinder 5 fixed with the fixing plate 4 to move, the mounting cylinder 5 moves to drive the fan 8 inside the mounting cylinder, and when the fan 8 moves to a proper height position, the electric push rod 71 is closed through the external PLC;
The motor 69 is started by the external PLC, the output shaft of the motor 69 rotates to drive the rotating shaft 610 coaxially connected with the motor 69 to rotate, the rotating shaft 610 rotates to drive the driving wheel 611 coaxially fixed with the motor, the driving wheel 611 rotates to drive the driven wheel 68 which is in transmission connection with the motor through the belt 65 to rotate, the driven wheel 68 rotates to drive the rotating post 67 coaxially fixed with the motor, the rotating post 67 rotates to drive the same-side rotating rod 66 coaxially fixed with the rotating post, the rotating rod 66 rotates to drive the screw 62 coaxially fixed with the rotating post, the screw 62 rotates to drive the moving block 63 in threaded connection with the screw 62 to move, the moving block 63 moves under the guiding action of the two guide blocks 64 and the two guide grooves on the bottom surface of the mounting plate 1, the moving block 63 moves to drive the moving plate 3 fixed with the moving block 3 to indirectly drive the fan 8 to horizontally move, and after the fan 8 moves to a proper horizontal position, the motor 69 is closed by the external PLC, and the position of the fan 8 is adjusted.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a fan gallows with adjustable people's air defense is ventilated, includes mounting panel (1), its characterized in that, mounting panel (1) below is equipped with movable plate (3), movable plate (3) below is equipped with fixed plate (4) rather than being connected, the front side surface of fixed plate (4) inlays and is equipped with mounting cylinder (5), inside fan (8) of being close to front end department of mounting cylinder (5) still includes:
The lifting mechanism (7) is arranged between the movable plate (3) and the fixed plate (4) and is used for adjusting the height of the fan (8), and the lifting mechanism (7) comprises an electric push rod (71) with a rod body arranged on the bottom surface of the movable plate (3), a connecting plate (72) fixed on the top surface of the fixed plate (4) and a gasket (73) fixed between the connecting plate (72) and a piston rod of the electric push rod (71);
The translation mechanism (6) is arranged on the bottom surface of the mounting plate (1) and used for driving the moving plate (3) to horizontally move, the translation mechanism (6) comprises two vertical plates (61) fixed on the bottom surface of the mounting plate (1), two rotating rods (66) rotationally connected with the vertical plates (61) on the same side, a screw rod (62) coaxially fixed between the two rotating rods (66), a rotating column (67) coaxially fixed on one rotating rod (66) far away from one side surface of the screw rod (62), a driven wheel (68) coaxially fixed on the outer wall of the rotating column (67), and a motor (69) installed on one side surface of the vertical plate (61) far away from the screw rod (62) and used for driving the driven wheel (68) to rotate, and a moving block (63) in threaded connection with the screw rod (62) and in sliding connection with the bottom surface of the mounting plate (1) is fixed on the top surface of the moving plate (3).
2. The adjustable fan hanger for civil air defense ventilation of claim 1 wherein: the translation mechanism (6) further comprises a rotating shaft (610) coaxially connected with the output shaft of the motor (69), and a driving wheel (611) coaxially fixed on the outer wall of the rotating shaft (610), and the driving wheel (611) is in transmission connection with the driven wheel (68) through a belt (65).
3. The adjustable fan hanger for civil air defense ventilation of claim 1 wherein: two guide grooves are formed in the bottom surface of the mounting plate (1), and two guide blocks (64) which are connected with the guide grooves on the same side of the bottom surface of the mounting plate (1) in a sliding mode are fixed on the top surface of the moving block (63).
4. The adjustable fan hanger for civil air defense ventilation of claim 2, wherein: elevating system (7) are still including fixing the protection section of thick bamboo (74) in movable plate (3) bottom, the body of rod of electric putter (71) is located inside protection section of thick bamboo (74), the piston rod of electric putter (71) runs through protection section of thick bamboo (74) bottom surface, elevating system (7) are still including fixing at one of them riser (61) keep away from protection box (612) of screw rod (62) one side surface, motor (69) are located inside protection box (612), just pivot (610) run through protection box (612) and keep away from one side outer wall of screw rod (62).
5. An adjustable fan hanger for civil air defense ventilation according to claim 3 and wherein: the longitudinal section shape of the guide groove on the bottom surface of the mounting plate (1) is I-shaped, and the shape of the guide block (64) is I-shaped which is matched with the shape of the guide groove on the bottom surface of the mounting plate (1).
6. The adjustable fan hanger for civil air defense ventilation of claim 1 wherein: two mutually symmetrical mounting blocks (2) are fixed on the surfaces of the front side and the rear side of the mounting plate (1), and the top surfaces of the mounting blocks (2) and the top surface of the mounting plate (1) are positioned on the same horizontal plane.
7. The adjustable fan hanger for civil air defense ventilation of claim 1 wherein: the inside of the installation cylinder (5) is provided with an installation frame (9) fixed with the installation cylinder by two screws near the rear end, and a filter plate (10) matched with the installation frame in size is installed inside the installation frame (9).
8. The adjustable fan hanger for civil air defense ventilation of claim 7 wherein: a push-pull rod (11) is fixed on the rear side surface of the filter plate (10), and the length of the push-pull rod (11) is 7-17cm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323324215.2U CN221442950U (en) | 2023-12-06 | 2023-12-06 | Adjustable fan hanging bracket for ventilation of civil air defense |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202323324215.2U CN221442950U (en) | 2023-12-06 | 2023-12-06 | Adjustable fan hanging bracket for ventilation of civil air defense |
Publications (1)
Publication Number | Publication Date |
---|---|
CN221442950U true CN221442950U (en) | 2024-07-30 |
Family
ID=92066753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202323324215.2U Active CN221442950U (en) | 2023-12-06 | 2023-12-06 | Adjustable fan hanging bracket for ventilation of civil air defense |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN221442950U (en) |
-
2023
- 2023-12-06 CN CN202323324215.2U patent/CN221442950U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110587335A (en) | Pipe clamp | |
CN221442950U (en) | Adjustable fan hanging bracket for ventilation of civil air defense | |
CN213071745U (en) | Dustproof effectual electric cabinet | |
CN113300246A (en) | Multi-functional block terminal for electrification | |
CN107831639B (en) | A kind of novel big table top LED exposure machine | |
CN216956199U (en) | Internal environment monitoring device of electrical equipment | |
CN216751122U (en) | Temperature control device for bus duct | |
CN213425995U (en) | Stator internal winding machine convenient to maintain | |
CN209875004U (en) | Electric intelligent hollow shutter | |
CN208652036U (en) | A kind of security monitoring bracket | |
CN208158717U (en) | A kind of power monitoring protective device | |
CN211243141U (en) | Window glass cleaning device for smart home | |
CN221570165U (en) | Monitoring device for information security operation and maintenance | |
CN209181028U (en) | A kind of kitchen ventilator convenient for adjusting body height | |
CN220726090U (en) | Anti-falling integrated door and window | |
CN217054179U (en) | Supporting device for mounting aluminum alloy doors and windows of building curtain wall engineering | |
CN215528760U (en) | Single track hangs permanent-magnet machine | |
CN219105699U (en) | LED display screen convenient for internal flat cable | |
CN219692674U (en) | LCD screen assembling device | |
CN221188895U (en) | Electric vehicle intelligent instrument convenient to clearance display screen | |
CN215993598U (en) | Control cabinet structure based on intelligent curtain | |
CN221195438U (en) | Power assembly with stabilizing assembly for ventilation dustproof equipment | |
CN214046237U (en) | Electromechanical system of waste water treatment station | |
CN205160348U (en) | Frequency converter | |
CN218758155U (en) | Building curtain wall with high stability |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |