CN210980285U - Air conditioner air outlet with noise reduction function for central air conditioner - Google Patents
Air conditioner air outlet with noise reduction function for central air conditioner Download PDFInfo
- Publication number
- CN210980285U CN210980285U CN201922088831.XU CN201922088831U CN210980285U CN 210980285 U CN210980285 U CN 210980285U CN 201922088831 U CN201922088831 U CN 201922088831U CN 210980285 U CN210980285 U CN 210980285U
- Authority
- CN
- China
- Prior art keywords
- frame
- air
- block
- outer frame
- gear
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Air-Flow Control Members (AREA)
Abstract
The utility model discloses an air conditioner air outlet that central air conditioning had function of making an uproar of falling, including outer frame, the temple portion of outer frame is inlayed and is had the abatvoix, and both ends fixed mounting respectively about the abatvoix have the fixed block, the intermediate position of fixed block is inlayed and is had the roller, and the upper and lower both ends of roller fixed mounting respectively has connecting screw to connecting screw's outside cover is equipped with the inserted block, the bottom fixed mounting of abatvoix has the packing rubber slab, the draw-in groove has evenly been seted up to the top of outer frame, the reposition of redundant personnel frame has been placed to the top of abat. The utility model discloses an outside cover that sets up the pivot is equipped with the rubber circle, prevents that the air current from blowing to lead to the flow distribution plate to rock, through setting up the tooth meshing of slide bar and gear, cooperation adjusting screw twists through the screw and drives the slide bar and remove, adjusts the flow distribution plate, utilizes the auto-lock performance of screw thread, effectually prevents that the air current from blowing to lead to rocking the noise production down for the device wind direction is adjusted and is fallen the perfect solution of making an uproar.
Description
Technical Field
The utility model relates to an air-conditioning outlet equipment technical field specifically is an air-conditioning outlet who has the function of making an uproar of falling for central air conditioning.
Background
The central air-conditioning air outlet is an end device used for supplying air in a central air-conditioning system, and is an air distribution device in the central air-conditioning system, because when the central air-conditioning is used for outputting air, the air flow can collide with blades of an air outlet, if gaps exist between the blade connections, the blades are easy to vibrate to generate noise, therefore, in order to reduce the noise at the air outlet, the existing air outlet usually adopts a blade fixing mode to solve the problem that the vibration generates the noise, the wind direction of the air outlet is inconvenient to adjust, the noise generated when the central air-conditioning outdoor unit works is easy to be transmitted out from the air outlet along a pipeline, and therefore, in order to solve the problems, the air-conditioning air outlet with the noise reduction function for the central air-conditioning.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a central air conditioning is with air conditioner air outlet who falls function of making an uproar to solve the present central air conditioning air outlet that proposes in the above-mentioned background art and fall make an uproar and wind direction regulation can not perfect unified solution, and the problem of air outlet department derivation is followed easily to the noise that the outer machine during operation of air conditioner produced.
In order to achieve the above object, the utility model provides a following technical scheme: an air-conditioning outlet with noise reduction function for a central air conditioner comprises an outer frame, wherein a sound-absorbing board is inlaid in the temporal part of the outer frame, fixed blocks are fixedly mounted at the left end and the right end of the sound-absorbing board respectively, rollers are inlaid in the middle positions of the fixed blocks, connecting screws are fixedly mounted at the upper end and the lower end of each roller respectively, an inserting block is sleeved outside each connecting screw, a rubber-filled plate is fixedly mounted at the bottom of the sound-absorbing board, clamping grooves are uniformly formed in the upper portion of the outer frame, a shunting frame is placed above the sound-absorbing board, a rotating shaft is uniformly and symmetrically inserted in the shunting frame, a shunting plate is fixedly welded between the rotating shafts, a gear is fixedly welded at the other end of each rotating shaft, gear inlaying grooves are uniformly formed in the left side and the right side of the shunting frame, a sliding rod is inserted in the bottom, and the middle position of the hinged plate is hinged with an adjusting screw, a supporting block is sleeved outside the adjusting screw, clamping pins are uniformly inserted into the left side and the right side of the shunting frame, a supporting spring is embedded between the clamping pins and the supporting spring, and fastening bolts are inserted into the middle positions of the left side and the right side of the shunting frame.
Preferably, cellular through hole has evenly been seted up to the inside of abatvoix, and the top of through hole is fixed with the dust screen, square logical groove has evenly been seted up at both ends around the fixed block, the inserted block is inserted and is established the logical inslot of seting up on the fixed block, the outside of inserted block is the square column design, the inserted block is through leading to groove and fixed block design for sliding construction, connecting screw's the outside is evenly seted up threadedly, set up screw thread on the inner wall of inserted block, the inserted block passes through the meshing of screw thread and is the screw thread revolution mechanic with the connecting screw design, screw thread opposite direction on the fixed two sets of connecting screw outer walls on the roller.
Preferably, the flow distribution plate is designed into a rotating structure through a rotating shaft and a flow distribution frame, the outer side sleeve of the rotating shaft is provided with a tight rubber ring, the inside of a gear installation gear embedding groove is designed into a sliding structure through a sliding rod and a gear embedding groove, teeth are evenly assembled above the sliding rod, the tooth size of the outer side of the gear is matched with the tooth size of the sliding rod, and the gear is designed into a meshing structure through the teeth and the sliding rod.
Preferably, the adjusting screw and the hinged plate are designed to be in a rotating structure, threads are uniformly formed in the outer side of the adjusting screw, threads are uniformly formed in the inner wall of the supporting block, the adjusting screw and the supporting block are designed to be in a thread rotating structure through meshing of the threads, and the supporting block is fixed above the shunting frame.
Preferably, the bayonet lock is correspondingly installed right above the clamping groove, the bayonet lock is designed into an elastic telescopic structure through a supporting spring and a shunting frame, and the bottom end of the bayonet lock is clamped inside the clamping groove.
Preferably, the left end and the right end of the outer frame are respectively provided with a threaded hole in a penetrating manner, the fastening bolt is inserted into the threaded hole formed in the outer frame, the outer side of the fastening bolt is uniformly provided with threads, the fastening bolt and the shunting frame are designed to be in a threaded rotating structure through threaded meshing, a rubber pad is welded and fixed to the bottom of the fastening bolt, and the fastening bolt is located right above the roller.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the outside cover through setting up the pivot is equipped with the rubber circle, it is inseparable to make between pivot and the reposition of redundant personnel frame to be connected, prevent that the air current from blowing to lead to the flow distribution plate to rock, through setting up the tooth meshing of slide bar and gear, cooperation adjusting screw twists through the screw thread and drives the slide bar and remove, adjust the flow distribution plate, it is convenient to make the flow distribution plate adjust, and utilize the auto-lock performance of screw thread to make the flow distribution plate fixed firm, effectually prevent that the air current from blowing down to lead to rocking the noise generation, make the device wind direction adjust and fall the perfect.
2. Cellular through hole has evenly been seted up through the inside that sets up the abatvoix, can absorb outer machine transmission noise of coming through the honeycomb, and simultaneously, it has the dust screen to inlay on the abatvoix, effectually prevent that the dust from passing through the air outlet and getting into indoorly, it can make the inserted block inside the outer frame to set up the rotation roller simultaneously, be convenient for fix and the dismouting to the abatvoix, and the packing rubber sheet that installs in the bottom of abatvoix can be so that closely install between abatvoix and the outer frame, effectually prevent that the abatvoix from vibrations and producing the noise.
3. Set up bayonet lock bottom block under supporting spring's elastic support inside the draw-in groove for shunt frame dismouting of being convenient for, and set up fastening bolt and twist through the screw thread and move the support on the roller, fix the roller, it is not hard up effectually to prevent that the roller from receiving vibrations, the installation stability of abatvoix is greatly improved, it supports shunt frame to set up fastening bolt, make shunt frame for outer frame firm installation, effectually prevent shunt frame vibrations under the blowing of air current and lead to the production of noise.
Drawings
FIG. 1 is a schematic view of the front view of the structure of the present invention;
FIG. 2 is a schematic top view of the structure of the present invention;
FIG. 3 is a schematic top sectional view of the structure of the shunting frame of the present invention;
fig. 4 is a schematic top sectional view of the structure of the sound-absorbing panel of the present invention;
fig. 5 is an enlarged schematic view of a structure at a in fig. 2 according to the present invention;
fig. 6 is an enlarged schematic view of the structure at B in fig. 3 according to the present invention;
fig. 7 is an enlarged schematic view of the structure at C in fig. 4 according to the present invention.
In the figure: 1. an outer frame; 2. a sound-absorbing panel; 3. a fixed block; 4. a roller; 5. connecting a screw rod; 6. inserting a block; 7. filling a rubber plate; 8. a card slot; 9. a shunt frame; 10. a rotating shaft; 11. a flow distribution plate; 12. a gear; 13. a gear embedding groove; 14. a slide bar; 15. a hinge plate; 16. adjusting the screw rod; 17. a support block; 18. a bayonet lock; 19. a support spring; 20. and fastening the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides an embodiment:
an air-conditioning outlet with noise reduction function for a central air-conditioning comprises an outer frame 1, wherein an acoustic board 2 is inlaid in the temporal part of the outer frame 1, fixed blocks 3 are respectively and fixedly mounted at the left end and the right end of the acoustic board 2, rollers 4 are inlaid in the middle positions of the fixed blocks 3, connecting screws 5 are respectively and fixedly mounted at the upper end and the lower end of each roller 4, an inserting block 6 is sleeved outside each connecting screw 5, a filled rubber plate 7 is fixedly mounted at the bottom of the acoustic board 2, honeycomb-shaped through holes are uniformly formed in the acoustic board 2, a dustproof net is fixed above the through holes, the honeycomb-shaped through holes can effectively absorb and weaken noise transmitted along a pipeline, the external noise is effectively prevented from entering a room through the air-conditioning outlet, the existence of the dustproof net can effectively separate dust, the external dust and impurities are prevented from entering the room, and the, the front end and the rear end of the fixed block 3 are uniformly provided with square through grooves, the insert block 6 is inserted in the through grooves arranged on the fixed block 3, the outer side of the insert block 6 is in a square column shape design, the insert block 6 and the fixed block 3 are designed into a sliding structure through the through grooves, the insert block 6 and the through grooves on the fixed block 3 are arranged into a matched square column shape, so that the insert block 6 can only slide up and down, the insert block 6 is prevented from rotating along with the connecting screw rod 5, the device can normally operate, the outer side of the connecting screw rod 5 is uniformly provided with threads, the inner wall of the insert block 6 is provided with threads, the insert block 6 and the connecting screw rod 5 are designed into a thread rotating structure through the meshing of the threads, the thread directions on the outer walls of the two groups of connecting screw rods 5 fixed on the roller 4 are opposite, when the roller 4 is rotated, the connecting screw rod 5 can be driven to rotate, thereby the block is inside outer frame 1, make outer frame 1 and abatvoix 2 installation firm, and convenient operation, simultaneously, the device is at the during operation, fastening bolt 20 pressfitting is in the dead ahead of roller 4, effectively fix roller 4, prevent that roller 4 from rotating, greatly reduced the not hard up probability that drops of abatvoix 2, be fixed with packing rubber sheet 7 in the bottom of abatvoix 2, under the block effect of inserted block 6 during the installation, abatvoix 2 fastening mounting is on outer frame 1, packing rubber sheet 7 is filled between outer frame 1 and abatvoix 2, make abatvoix 2 be closely the laminating state on outer frame 1, the probability that abatvoix 2 was blown the vibrations by the air current has been reduced, the stability of abatvoix 2 has been improved greatly, prevent that the air current from blowing from leading to abatvoix 2 vibrations and producing the noise.
The upper part of the outer frame 1 is uniformly provided with clamping grooves 8, a shunting frame 9 is placed above the acoustic board 2, rotating shafts 10 are uniformly and symmetrically inserted in the shunting frame 9, shunting plates 11 are fixedly welded between the rotating shafts 10, gears 12 are fixedly welded at the other ends of the rotating shafts 10, gear embedding grooves 13 are uniformly formed in the left side and the right side of the shunting frame 9, sliding rods 14 are inserted at the bottoms of the gear embedding grooves 13, the shunting plates 11 and the shunting frame 9 are designed into a rotating structure through the rotating shafts 10, the air flow blowing direction of the central air conditioner can be changed by rotating the directions of the shunting plates 11, the outer side of each rotating shaft 10 is sleeved with a tight rubber ring, the rubber ring is filled at the connecting part of the shunting frame 9 and the rotating shafts 10, the shunting plates 11 are fixedly and stably fixed on the shunting frame 9, gaps are effectively prevented from existing, and the shunting plates 11 are driven to vibrate and shake to generate noise, greatly reduced the device produce the probability of noise, the inside in gear 12 installation gear inlay groove 13, slide bar 14 designs into sliding structure with gear inlay groove 13, slide bar 14's top evenly is equipped with the tooth, the tooth size in the gear 12 outside and the tooth size looks adaptation on the slide bar 14, gear 12 passes through tooth and slide bar 14 design for the meshing structure, adaptation through the tooth, make the cooperation between slide bar 14 and the gear 12 inseparable, the accurate interlock that utilizes the tooth makes the rotation of flow distribution plate 11 firm, the device's structural stability has been improved greatly.
The front face of one end of the sliding rod 14 is fixedly welded with a hinged plate 15, the middle position of the hinged plate 15 is hinged with an adjusting screw 16, the outer side of the adjusting screw 16 is sleeved with a supporting block 17, the adjusting screw 16 and the hinged plate 15 are designed to be a rotating structure, so that the adjusting screw 16 can automatically rotate without being influenced by the hinged plate 15, the reasonable realization of the device is facilitated, the outer side of the adjusting screw 16 is uniformly provided with threads, the inner wall of the supporting block 17 is uniformly provided with threads, the adjusting screw 16 and the supporting block 17 are designed to be a thread rotating structure through the meshing of the threads, the supporting block 17 is fixed above the shunting frame 9, when the rotating rod angle of the shunting plate 11 needs to be adjusted, a worker can rotate the supporting block 17, the adjusting screw 16 can move up and down in the supporting block 17 under the meshing effect of the threads, thereby change the turned angle of flow distribution plate 11, because the auto-lock characteristic of screw thread for slide bar 14 can firmly be fixed when not rotating adjusting screw 16, improved the structural stability of the device greatly, and the operation of being convenient for.
The working principle is as follows: when the air conditioner works, a worker fixes the air conditioner on a wall, so that the back of the air conditioner is connected with an air supply pipeline of the central air conditioner;
when the device works, the central air conditioner supplies air to the device through the pipeline, when noise generated in an external machine passes through the sound-absorbing board 2 along the pipeline, and as the sound-absorbing board 2 is internally provided with honeycomb-shaped through holes, the generated noise sound energy is converted into heat energy to be absorbed by utilizing the characteristic of a honeycomb structure, the noise is prevented from being transmitted to the indoor through the device, and meanwhile, a dustproof net embedded on the sound-absorbing board 2 can block dust and prevent the dust from entering the indoor;
when the central air conditioner works, if the air supply direction of the central air conditioner needs to be adjusted, a worker rotates the adjusting screw 16, the adjusting screw 16 moves up and down on the supporting block 17 under the meshing action of the threads, the sliding rod 14 is pulled to move in the gear embedding groove 13, the gear 12 rotates through meshing of the teeth, so that the splitter plate 11 on the right side of the rotating shaft 10 is driven to rotate, and the air flow blowing direction is changed by rotating the splitter plate 11;
when the device needs to be disassembled, a worker can rotate the fastening bolt 20, the fastening bolt 20 is enabled to rotate and loosen under the meshing action of the threads, the clamping between the shunt frame 9 and the outer frame 1 is enabled to be loosened, the clamping pin 18 is enabled to be separated from the clamping groove 8 through overcoming the elastic sliding of the supporting spring 19, the shunt frame 9 is taken down from the outer frame 1, then, the worker rotates the roller 4 to drive the connecting screw rod 5 to rotate, the inserting block 6 moves on the connecting screw rod 5 under the action of the threads, the inserting block 6 retreats into the fixing block 3, the sound-absorbing plate 2 is taken down from the outer frame 1, and the dust-proof net in the sound-absorbing plate 2 is cleaned.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides an air-conditioning outlet that central air conditioning had function of making an uproar of falling, includes outer frame (1), its characterized in that: the technical scheme is that the temples of the outer frame (1) are inlaid with sound-absorbing boards (2), the left and right ends of the sound-absorbing boards (2) are respectively fixedly provided with fixed blocks (3), the middle positions of the fixed blocks (3) are inlaid with rollers (4), the upper ends and the lower ends of the rollers (4) are respectively fixedly provided with connecting screws (5), the outer side of each connecting screw (5) is sleeved with an insert block (6), the bottom of each sound-absorbing board (2) is fixedly provided with a filling rubber plate (7), the upper side of the outer frame (1) is uniformly provided with clamping grooves (8), a shunting frame (9) is placed above the sound-absorbing boards (2), the inner parts of the shunting frame (9) are uniformly and symmetrically inserted with rotating shafts (10), the shunting plates (11) are fixedly welded between the rotating shafts (10), gears (12) are welded and fixed to the other ends of the rotating shafts (10), and gear inlaying grooves (13) are uniformly, and the bottom in gear inlay groove (13) is inserted and is equipped with slide bar (14), the one end of slide bar (14) openly welded fastening has articulated slab (15), and the intermediate position of articulated slab (15) articulates there is adjusting screw (16), the outside cover of adjusting screw (16) is equipped with supporting shoe (17), the left and right sides of reposition of redundant personnel frame (9) is evenly inserted and is equipped with bayonet lock (18), and inlays between bayonet lock (18) and supporting spring (19) and have supporting spring (19), the left and right sides intermediate position of reposition of redundant personnel frame (9) is inserted and is equipped with fastening bolt (20).
2. An air-conditioning outlet with noise reduction function for a central air-conditioning according to claim 1, characterized in that: cellular through hole has evenly been seted up to the inside of abatvoix (2), and the top of through hole is fixed with the dust screen, square logical groove has evenly been seted up at both ends around fixed block (3), inserted block (6) are inserted and are established the logical inslot of seting up on fixed block (3), the outside of inserted block (6) is the design of square column, inserted block (6) are sliding structure through leading to groove and fixed block (3) design, the outside of connecting screw rod (5) is evenly seted up threadedly, set up screw thread on the inner wall of inserted block (6), inserted block (6) are the screw thread revolution mechanic through the meshing of screw thread and connecting screw rod (5) design, the screw thread opposite direction on two sets of connecting screw rod (5) outer walls of fixing on roller (4).
3. An air-conditioning outlet with noise reduction function for a central air-conditioning according to claim 1, characterized in that: flow distribution plate (11) are designed into revolution mechanic through pivot (10) and reposition of redundant personnel frame (9), the outside cover of pivot (10) is equipped with inseparable rubber circle, the inside in groove (13) is inlayed to gear (12) installation gear, slide bar (14) and the design of gear inlay groove (13) are sliding construction, the top of slide bar (14) evenly is equipped with tooth, the tooth size in the gear (12) outside and the tooth size looks adaptation on slide bar (14), gear (12) are through tooth and slide bar (14) design for the meshing structure.
4. An air-conditioning outlet with noise reduction function for a central air-conditioning according to claim 1, characterized in that: the adjusting screw rod (16) and the hinged plate (15) are designed to be of a rotating structure, the outer side of the adjusting screw rod (16) is uniformly provided with threads, the inner wall of the supporting block (17) is uniformly provided with threads, the adjusting screw rod (16) and the supporting block (17) are designed to be of a thread rotating structure through thread meshing, and the supporting block (17) is fixed above the shunting frame (9).
5. An air-conditioning outlet with noise reduction function for a central air-conditioning according to claim 1, characterized in that: the bayonet lock (18) is correspondingly installed right above the bayonet lock (8), the bayonet lock (18) is designed into an elastic telescopic structure through a supporting spring (19) and a shunt frame (9), and the bottom end of the bayonet lock (18) is clamped inside the bayonet lock (8).
6. An air-conditioning outlet with noise reduction function for a central air-conditioning according to claim 1, characterized in that: threaded holes which penetrate through the outer frame (1) are formed in the left end and the right end of the outer frame (1) respectively, the fastening bolts (20) are inserted into the threaded holes formed in the outer frame (1), threads are uniformly formed in the outer sides of the fastening bolts (20), the fastening bolts (20) are designed to be in a threaded rotating structure through threaded meshing and the shunting frame (9), rubber pads are welded and fixed to the bottoms of the fastening bolts (20), and the fastening bolts (20) are located right above the rollers (4).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922088831.XU CN210980285U (en) | 2019-11-28 | 2019-11-28 | Air conditioner air outlet with noise reduction function for central air conditioner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922088831.XU CN210980285U (en) | 2019-11-28 | 2019-11-28 | Air conditioner air outlet with noise reduction function for central air conditioner |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210980285U true CN210980285U (en) | 2020-07-10 |
Family
ID=71420535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201922088831.XU Expired - Fee Related CN210980285U (en) | 2019-11-28 | 2019-11-28 | Air conditioner air outlet with noise reduction function for central air conditioner |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210980285U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202000029258A1 (en) * | 2020-12-01 | 2022-06-01 | Ste S R L | MULTIFUNCTION PANEL |
-
2019
- 2019-11-28 CN CN201922088831.XU patent/CN210980285U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202000029258A1 (en) * | 2020-12-01 | 2022-06-01 | Ste S R L | MULTIFUNCTION PANEL |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN208857570U (en) | A kind of nonwoven production device with pressing plate | |
CN210980285U (en) | Air conditioner air outlet with noise reduction function for central air conditioner | |
CN211908150U (en) | Power distribution cabinet for construction site convenient to dismantle | |
CN211082251U (en) | Screw air compressor machine is used in heated board production | |
CN209218500U (en) | A kind of wire casing for the wiring of communication cabinet winding displacement | |
CN208720494U (en) | A kind of multi-faceted protective device of air-conditioning for finishing | |
CN109144203A (en) | A kind of heat radiation device for computer case of adjustable thermovent | |
CN211792684U (en) | Electronic engineering switch board | |
CN212273628U (en) | Civilian camera shell convenient to installation | |
CN212056606U (en) | Display screen mounting member | |
CN208027289U (en) | A kind of ceiling mounting type computer cooling mechanism | |
CN211186637U (en) | Convenient clear wall-hanging intelligent terminal display device | |
CN210072493U (en) | Heat radiation structure of computer host | |
CN210128190U (en) | Arc lock for splicing curved surface LED display screen | |
CN110176827A (en) | A kind of motor fixed bin using insulated type aramid fiber plate convenient for heat dissipation | |
CN208950974U (en) | A kind of means for fixing electric fan for computer | |
CN214119601U (en) | Mounting bracket for school indoor monitor | |
CN217004710U (en) | Heating and ventilation air conditioner mounting frame | |
CN220386715U (en) | Mounting assembly and coal mill grinding roller | |
CN217362221U (en) | Switch board convenient to change protection network | |
CN109373489B (en) | Adjustable ceiling humidifier | |
CN214700029U (en) | Liquid crystal display with anti structure of buckling | |
CN217603675U (en) | A multi-functional monitoring box for security protection control | |
CN212278692U (en) | Novel cabinet device | |
CN216202018U (en) | Engineering cost management progress monitoring device |
Legal Events
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: 20200710 Termination date: 20211128 |