CN216670674U - Efficient heat dissipation device of energy-saving server cabinet - Google Patents

Efficient heat dissipation device of energy-saving server cabinet Download PDF

Info

Publication number
CN216670674U
CN216670674U CN202122839821.2U CN202122839821U CN216670674U CN 216670674 U CN216670674 U CN 216670674U CN 202122839821 U CN202122839821 U CN 202122839821U CN 216670674 U CN216670674 U CN 216670674U
Authority
CN
China
Prior art keywords
main body
supporting frame
body supporting
water storage
heat dissipation
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
Application number
CN202122839821.2U
Other languages
Chinese (zh)
Inventor
徐武煌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Shangyi Precision Machinery Co ltd
Original Assignee
Kunshan Shangyi Precision Machinery Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunshan Shangyi Precision Machinery Co ltd filed Critical Kunshan Shangyi Precision Machinery Co ltd
Priority to CN202122839821.2U priority Critical patent/CN216670674U/en
Application granted granted Critical
Publication of CN216670674U publication Critical patent/CN216670674U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

Landscapes

  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The utility model discloses a high-efficiency heat dissipation device of an energy-saving server cabinet, and particularly relates to the field of heat dissipation, which comprises a box body mechanism, wherein one side of the box body mechanism is provided with a partition mechanism, the box body mechanism comprises a main body supporting frame, two sides of the main body supporting frame are fixedly provided with ventilating plates, the top of the main body supporting frame is provided with an inclined plane top cover, an exhaust fan is fixedly arranged between the main body supporting frame and the inclined plane top cover, the bottom of the main body supporting frame is fixedly provided with a base, the central position of the bottom of the main body supporting frame is fixedly provided with a heat dissipation fan, the partition mechanism comprises a folding waterproof plate, and the folding waterproof plate is arranged between the main body supporting frame and the ventilating plates. According to the utility model, the water storage tank is stressed to receive rainwater, so that the main body supporting frame and the ventilating plate are blocked by the folding waterproof plate, and after the water storage tank is pulled due to the loss of gravity, the ventilation between the main body supporting frame and the ventilating plate is recovered, thereby preventing the rainwater from entering the inner cavity of the box mechanism from the ventilating opening.

Description

Efficient heat dissipation device of energy-saving server cabinet
Technical Field
The utility model relates to the technical field of heat dissipation, in particular to a high-efficiency heat dissipation device of an energy-saving server cabinet.
Background
A server is a type of computer that runs faster, is more heavily loaded, and is more expensive than a normal computer, and provides computing or application services to other clients in a network.
Traditional energy-saving server rack of outdoor use for the radiating effect of reinforcing self, can be equipped with the vent of convection current in the both sides of rack usually, however when rainwater weather, because vent department does not block the device of rainwater, the rainwater can follow vent department and get into the rack inner chamber to cause certain influence to the host computer easily, be unfavorable for in-service use.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above defects in the prior art, embodiments of the present invention provide an efficient heat dissipation device for an energy-saving server cabinet, in which a water storage tank receives rainwater, and the folding waterproof plate separates a main body support frame and a ventilating plate to solve the above problems in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: the efficient heat dissipation device of the energy-saving server cabinet comprises a box body mechanism, wherein one side of the box body mechanism is provided with a partition mechanism, the box body mechanism comprises a main body supporting frame, two sides of the main body supporting frame are fixedly provided with ventilation plates, the top of the main body supporting frame is provided with an inclined plane top cover, an exhaust fan is fixedly arranged between the main body supporting frame and the inclined plane top cover, the bottom of the main body supporting frame is fixedly provided with a base, a bottom central position of the main body supporting frame is fixedly provided with a heat dissipation fan, the partition mechanism comprises a folding waterproof plate, the folding waterproof plate is arranged between the main body supporting frame and the ventilation plates, two sides of the folding waterproof plate are both fixedly provided with elastic adhesive tapes, the inner parts of the elastic adhesive tapes are fixedly provided with telescopic springs, and the bottoms of the elastic adhesive tapes and the telescopic springs are fixedly provided with water storage tanks through bolts, the water storage tank is characterized in that a plurality of water leakage holes are formed in the bottom of the water storage tank, balance supports are fixedly mounted on two sides of the water storage tank, a connecting rod is arranged at one end of each balance support, a rotary drum is connected to the outer wall of each connecting rod in a rotating mode, and a cleaning brush is sleeved on the outer wall of each rotary drum.
Adopt above-mentioned technical scheme, connect through making the aqua storage tank and get the rainwater, make its self weight increase pull elastic adhesive tape and expanding spring downwards, thereby to pull folding waterproof board downwards and open, carry out rainwater isolated to the ventilation department of main part carriage and ventilative board, and the removal through the aqua storage tank, drive the outer wall that the cleaning brush removed at ventilative board, and sweep away the dust to ventilative board outer wall, the rainwater in the aqua storage tank leaks the back via the hole that leaks and loses the weight recovery normal position at last, make again and keep the ventilation state between main part carriage and the ventilative board, thereby avoid when bad weather, the rainwater gets into the inner chamber damage host computer of box mechanism, it is very convenient to use, the in-service use of being more convenient for.
In a preferred embodiment, a back plate is fixedly mounted on one side of the main body supporting frame, and a transparent door frame is arranged on one side of the main body supporting frame away from the back plate.
Adopt above-mentioned technical scheme, enclose synthetic box each other through main part carriage, backplate and transparent door frame, and the left and right sides of this box is the fretwork form to promote the inside ventilation effect of box mechanism, and be convenient for observe the actual conditions of box mechanism inner chamber through transparent door frame.
In a preferred embodiment, a plurality of object placing plates are fixedly mounted in the inner cavity of the main body supporting frame, and the object placing plates are all arranged in a hollow manner.
By adopting the technical scheme, the hollow-out storage plates are arranged to store the hosts, so that heat generated by the hosts can circulate through the hollow-out grooves, and the heat is prevented from being accumulated at a certain layer of the storage plates and cannot be discharged.
In a preferred embodiment, a plurality of drainage tubes arranged in an inclined manner are fixedly installed at both sides of the inclined plane top cover, and the drainage tubes are arranged at the top of the water storage tank.
By adopting the technical scheme, the drainage tube in an inclined shape is arranged and is just opposite to the water storage tank, so that the water storage tank can rapidly receive and take rainwater in rainy days, and the water storage tank can conveniently drive the elastic adhesive tape and the telescopic spring to perform subsequent work.
In a preferred embodiment, the number of the water storage tanks is two, and the two water storage tanks are symmetrically arranged about the horizontal center line of the ventilating plate.
Adopt above-mentioned technical scheme, through establishing the aqua storage tank into two of symmetry for the aqua storage tank atress can be more balanced, thereby makes reciprocating of aqua storage tank more steady.
In a preferred embodiment, the cleaning brushes are arranged in a one-to-one correspondence with the air-permeable plate, the cleaning brushes are attached to the outer wall of the air-permeable plate, and the cleaning brushes move on the outer wall of the air-permeable plate.
Adopt above-mentioned technical scheme, remove the outer wall at the ventilative board through making the cleaning brush for the aqua storage tank can clean the dust of ventilative board through the aqua storage tank at the in-process that reciprocates, thereby avoids the dust to block the ventilation department of ventilative board, strengthens this device's automatically cleaning ability.
In a preferred embodiment, the outer wall of the rotating drum is provided with a plurality of arc-shaped clamping grooves, semicircular clamping strips are fixedly mounted on two sides of the cleaning brush, and the semicircular clamping strips are clamped in inner cavities of the arc-shaped clamping grooves.
By adopting the technical scheme, the semicircular clamping strip is clamped into the inner cavity of the arc-shaped clamping groove, so that the cleaning brush is more convenient to disassemble and assemble, and the cleaning brush is convenient to replace in time.
The utility model has the technical effects and advantages that:
1. according to the utility model, after rainwater is received by the water storage tank and stressed, the elastic adhesive tape and the telescopic spring are pulled downwards to drive the folding waterproof board to unfold downwards, so that the space between the main body supporting frame and the ventilation board is blocked by the folding waterproof board, and after rainwater in the inner cavity of the water storage tank leaks through the water leakage hole, the water storage tank loses gravity and is pulled, and the folding waterproof board is driven to move upwards to restore to a folding state through the elastic restoring force of the elastic adhesive tape and the telescopic spring, so that the ventilation state between the main body supporting frame and the ventilation board is restored, and the problem that rainwater enters the inner cavity of the box mechanism from the ventilation hole is solved;
2. according to the utility model, the cleaning brush is driven to be attached to the outer wall of the ventilating plate to move in the process of moving the water storage tank up and down, so that the ventilating position of the ventilating plate is cleaned, the phenomenon that dust blocks the ventilating opening to influence the air outflow inside the box body mechanism is avoided, and the self-cleaning capability of the device is enhanced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention.
Fig. 3 is a schematic axial side structure of the present invention.
FIG. 4 is an enlarged view of the portion B of FIG. 3 according to the present invention.
The reference signs are: 1. a box mechanism; 101. a main body support frame; 102. a ventilation plate; 103. a beveled top cover; 104. a base; 105. a back plate; 106. a storage plate; 107. a transparent door frame; 108. an exhaust fan; 109. a heat radiation fan; 110. a drainage tube; 2. a partition mechanism; 21. folding the waterproof board; 22. an elastic tape; 23. a tension spring; 24. a water storage tank; 25. a water leakage hole; 26. a balance bracket; 27. a connecting rod; 28. a rotating drum; 29. a cleaning brush; 210. an arc-shaped clamping groove; 211. semicircular clamping strips.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4 of the specification, the efficient heat dissipation apparatus for an energy-saving server cabinet according to an embodiment of the present invention, as shown in fig. 1 and 3, includes a cabinet mechanism 1, a partition mechanism 2 is disposed on one side of the cabinet mechanism 1, the cabinet mechanism 1 includes a main body supporting frame 101, ventilation plates 102 are fixedly mounted on two sides of the main body supporting frame 101, some gap distances exist between the main body supporting frame 101 and the ventilation plates 102, an inclined top cover 103 is disposed on the top of the main body supporting frame 101, the sides of the inclined top cover 103 are arranged in an inclined plane shape, so as to facilitate rapid drainage of rainwater and prevent rainwater from accumulating on the inclined top cover 103, a back plate 105 is fixedly mounted on one side of the main body supporting frame 101, a transparent door frame 107 is disposed on one side of the main body supporting frame 101 away from the back plate 105, so that a cabinet frame body is formed by enclosing the main body supporting frame 101, the back plate 105 and the transparent door frame 107, the inner chamber fixed mounting of main part carriage 101 has a plurality of thing boards 106 of putting that are used for placing the host computer, and a plurality of thing boards 106 of putting all are the fretwork form setting to when normal weather uses, the left and right sides of box mechanism 1 remains the large tracts of land fretwork form throughout and ventilates.
For promoting the inside circulation of air of chassis framework, the bottom fixed mounting of main part carriage 101 has base 104, base 104 lifts installation with main part carriage 101 and ventilative board 102, in order to reduce the contact of box mechanism 1 and ground, avoid moist, simultaneously fixed mounting has air exhauster 108 between main part carriage 101 and inclined plane top cap 103, the bottom central point department fixed mounting of main part carriage 101 has radiator fan 109, thereby when the host computer functions in box mechanism 1 and produces heat, through opening radiator fan 109 and the air exhauster 108 at box mechanism 1 top of box mechanism 1 bottom, make the heat that the inside host computer of box mechanism 1 produced blow off from upwards down, and take out via air exhauster 108, make the upper and lower circulation of air of box mechanism 1 inner chamber more quick.
Referring to fig. 4, the partition mechanism 2 includes a folding waterproof board 21, the folding waterproof board 21 is disposed between the main body supporting frame 101 and the ventilating board 102, elastic tapes 22 are fixedly mounted on both sides of the folding waterproof board 21, a telescopic spring 23 is fixedly mounted inside the elastic tapes 22, the folding waterproof board 21 and the elastic tapes 22 are fixedly mounted on a top plate of the main body supporting frame 101 through bolts, a water storage tank 24 is fixedly mounted at bottoms of the elastic tapes 22 and the telescopic spring 23 through bolts, a plurality of water leakage holes 25 are formed in a bottom of the water storage tank 24, when a rain weather occurs, an inner cavity of the water storage tank 24 is accumulated with water and then is forced to pull the elastic tapes 22 and the telescopic spring 23 to move downwards, so that the folding waterproof board 21 is stretched due to a downward pulling force between the main body supporting frame 101 and the ventilating board 102, ventilation positions on both sides of the box mechanism 1 are blocked to prevent rainwater from entering the inside the box mechanism 1, damage the host computer, the rain stops the back, and the water of collecting up at 24 inner chambers of aqua storage tank flows out through leaking hole 25, and aqua storage tank 24 loses gravity and pulls, and elasticity restoring force through elastic adhesive tape 22 and expanding spring 23 self is pulled to pulling back to be folding form with folding waterproof board 21 to pulling back, thereby expose main part carriage 101 and ventilative board 102's ventilation department again and carry out ventilation cooling.
Meanwhile, as shown in fig. 2, in order to avoid that the ventilation position of the ventilating board 102 is blocked by dust during long-term ventilation, two sides of the water storage tank 24 are fixedly provided with a balance support 26, one end of the balance support 26 is provided with an engaging rod 27, the outer wall of the engaging rod 27 is rotatably connected with a rotating drum 28, the outer wall of the rotating drum 28 is sleeved with a cleaning brush 29, the cleaning brush 29 and the ventilating board 102 are arranged in a one-to-one correspondence manner, the cleaning brush 29 is attached to the outer wall of the ventilating board 102, and the cleaning brush 29 moves on the outer wall of the ventilating board 102, according to weather changes, in the process that the water storage tank 24 ascends or descends, the cleaning brush 29 is in contact with and rubs with the ventilating board 102, so that the rotating drum 28 rotates on the outer wall of the engaging rod 27, thereby driving the cleaning brush 29 to roll on the outer wall of the ventilating board 102 and brushing the outer wall of the ventilating board 102, thereby sweeping the dust on the outer wall of the ventilating board 102, and avoiding that the dust blocks the ventilating opening of the ventilating board 102 to influence the air circulation inside the box body mechanism 1, reinforcing radiating effect, for the change cleaning brush 29 of being convenient for, a plurality of arc draw-in grooves 210 have been seted up to the outer wall of rotary drum 28, and cleaning brush 29's both sides fixed mounting has semi-circular card strip 211, and semi-circular card strip 211 joint is at the inner chamber of arc draw-in groove 210 to promote cleaning brush 29's dismouting convenience.
As shown in fig. 1 and 3, in order to make the up-and-down movement of the water storage tank 24 smoother, a plurality of drainage tubes 110 arranged in an inclined shape are fixedly installed at both sides of the inclined top cover 103, the drainage tubes 110 are arranged at the top of the water storage tank 24, the number of the water storage tanks 24 is set to two, and the two water storage tanks 24 are symmetrically arranged about the horizontal center line of the ventilating plate 102, so that the rainwater at the top of the inclined top cover 103 leaks out through the drainage tubes 110 and just falls into the inner cavity of the water storage tank 24, the stress of the water storage tanks 24 at both sides of the ventilating plate 102 is even, and the up-and-down movement is smoother.
The working principle is as follows: when the foldable waterproof board is used in a rainy day, rainwater falls on the inclined plane top cover 103, partial rainwater flows to the inner cavity of the water storage tank 24 through the drainage tube 110, the water storage tank 24 is stressed to pull the elastic adhesive tape 22 and the expansion spring 23 downwards, so that the foldable waterproof board 21 is unfolded downwards, water is separated between the main body supporting frame 101 and the ventilation board 102, meanwhile, in order to prevent the whole box body mechanism 1 from being in a closed state and influence the internal heat dissipation, a worker opens the exhaust fan 108 and the heat dissipation fan 109 to ventilate up and down, then the rainwater in the inner cavity of the water storage tank 24 slowly flows out from the water leakage hole 25, after the water storage tank 24 slowly loses gravity, through the elastic restoring force of the elastic adhesive tape 22 and the expansion spring 23, in the upward restoring process, the foldable waterproof board 21 restores the folded state, meanwhile, the ventilation state between the main body supporting frame 101 and the ventilation board 102 is restored, and in the process that the water storage tank 24 moves up and down, the cleaning brush 29 is driven by the balance brackets 26 at the two sides of the water storage tank 24 to move on the outer wall of the ventilating board 102, so that dust on the outer wall of the ventilating board 102 can be cleaned.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (7)

1. Energy-saving server cabinet's high-efficient heat abstractor, including box mechanism (1), one side of box mechanism (1) is equipped with cuts off mechanism (2), its characterized in that: the box body mechanism (1) comprises a main body supporting frame (101), ventilating plates (102) are fixedly mounted on two sides of the main body supporting frame (101), an inclined plane top cover (103) is arranged at the top of the main body supporting frame (101), an exhaust fan (108) is fixedly mounted between the main body supporting frame (101) and the inclined plane top cover (103), a base (104) is fixedly mounted at the bottom of the main body supporting frame (101), a radiating fan (109) is fixedly mounted at the central position of the bottom of the main body supporting frame (101), the partition mechanism (2) comprises a folding waterproof plate (21), the folding waterproof plate (21) is arranged between the main body supporting frame (101) and the ventilating plates (102), elastic adhesive tapes (22) are fixedly mounted on two sides of the folding waterproof plate (21), and an expansion spring (23) is fixedly mounted in the elastic adhesive tapes (22), the bottom of elasticity sticky tape (22) and expanding spring (23) has water storage tank (24) through bolt fixed mounting, a plurality of holes that leak (25) have been seted up to the bottom of water storage tank (24), the both sides fixed mounting of water storage tank (24) has balanced support (26), the one end of balanced support (26) is equipped with links up pole (27), the outer wall of linking up pole (27) rotates and is connected with rotary drum (28), cleaning brush (29) have been cup jointed to the outer wall of rotary drum (28).
2. The efficient heat dissipation device for energy-saving server cabinets according to claim 1, wherein: one side fixed mounting of main part carriage (101) has backplate (105), one side that backplate (105) were kept away from in main part carriage (101) is equipped with transparent door frame (107).
3. The efficient heat dissipation device for energy-saving server cabinets according to claim 2, wherein: the inner chamber fixed mounting of main part carriage (101) has a plurality of thing boards (106) of putting, and is a plurality of it all is the fretwork form setting to put thing board (106).
4. The efficient heat dissipation device for energy-saving server cabinets according to claim 1, wherein: a plurality of drainage tubes (110) which are arranged in an inclined manner are fixedly arranged on two sides of the inclined plane top cover (103), and the drainage tubes (110) are arranged at the top of the water storage tank (24).
5. The efficient heat dissipation device for energy-saving server cabinets of claim 4, wherein: the number of the water storage tanks (24) is two, and the two water storage tanks (24) are symmetrically arranged relative to the horizontal center line of the ventilating plate (102).
6. The efficient heat dissipation device for energy-saving server cabinets of claim 5, wherein: the cleaning brushes (29) are arranged in one-to-one correspondence with the air permeable plate (102), the cleaning brushes (29) are attached to the outer wall of the air permeable plate (102), and the cleaning brushes (29) move on the outer wall of the air permeable plate (102).
7. The efficient heat dissipation device for energy-saving server cabinets according to claim 1, wherein: a plurality of arc-shaped clamping grooves (210) are formed in the outer wall of the rotary drum (28), semicircular clamping strips (211) are fixedly mounted on two sides of the cleaning brush (29), and the semicircular clamping strips (211) are clamped in inner cavities of the arc-shaped clamping grooves (210).
CN202122839821.2U 2021-11-19 2021-11-19 Efficient heat dissipation device of energy-saving server cabinet Active CN216670674U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122839821.2U CN216670674U (en) 2021-11-19 2021-11-19 Efficient heat dissipation device of energy-saving server cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122839821.2U CN216670674U (en) 2021-11-19 2021-11-19 Efficient heat dissipation device of energy-saving server cabinet

Publications (1)

Publication Number Publication Date
CN216670674U true CN216670674U (en) 2022-06-03

Family

ID=81790206

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122839821.2U Active CN216670674U (en) 2021-11-19 2021-11-19 Efficient heat dissipation device of energy-saving server cabinet

Country Status (1)

Country Link
CN (1) CN216670674U (en)

Similar Documents

Publication Publication Date Title
CN205596453U (en) Novel circuit board dust shaker
CN216670674U (en) Efficient heat dissipation device of energy-saving server cabinet
CN211349288U (en) Combined heat dissipation device for heat dissipation of computer
CN208077525U (en) A kind of outdoor display screen
CN219269405U (en) Communication cabinet
CN210165608U (en) Air source heat pump convenient to maintain
CN115663631A (en) Rainproof visual power supply case with waterproof structure
CN213402140U (en) Easy clear high-efficient heat dissipation resistance cabinet
CN211270477U (en) Wiping device for inner side of green building glass curtain wall
CN211088917U (en) Waterproof high-low voltage power distribution cabinet
CN211530518U (en) Monomer extensible compact looped netowrk cabinet
CN114411396A (en) Outdoor quick drying clothes airing equipment based on new energy drive
CN219698139U (en) Installation underframe
CN217330129U (en) Ventilation device is used to fitment
CN213185108U (en) Automatic high-voltage board of dehumidification
CN214897399U (en) Outdoor full-color LED display screen box
CN216672208U (en) Moisture-proof power distribution cabinet
CN109951403A (en) A kind of network switch with radiating dustproof
CN210748010U (en) Novel combined shoe rack
CN220726571U (en) Building water supply and drainage pump convenient to installation
CN217713089U (en) Heat radiation fan for machinery of convenient assembly
CN210411425U (en) Packing drying device
CN220342556U (en) Computer network safety protection device
CN213762969U (en) Novel electrical equipment removes dust device
CN218770766U (en) Power equipment control box

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant