CN112256099A - Single-network WIFI serial server based on computer technology - Google Patents

Single-network WIFI serial server based on computer technology Download PDF

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Publication number
CN112256099A
CN112256099A CN202011126272.8A CN202011126272A CN112256099A CN 112256099 A CN112256099 A CN 112256099A CN 202011126272 A CN202011126272 A CN 202011126272A CN 112256099 A CN112256099 A CN 112256099A
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CN
China
Prior art keywords
plate
serial port
computer technology
fixing plate
port server
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Withdrawn
Application number
CN202011126272.8A
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Chinese (zh)
Inventor
王武林
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Wuhan Youlian Saixun Network Technology Co ltd
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Wuhan Youlian Saixun Network Technology Co ltd
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Application filed by Wuhan Youlian Saixun Network Technology Co ltd filed Critical Wuhan Youlian Saixun Network Technology Co ltd
Priority to CN202011126272.8A priority Critical patent/CN112256099A/en
Publication of CN112256099A publication Critical patent/CN112256099A/en
Withdrawn legal-status Critical Current

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/18Packaging or power distribution
    • G06F1/181Enclosures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/20Cooling means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Power Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention relates to the technical field of serial servers, in particular to a single-network WIFI serial server based on a computer technology, which comprises a serial server body, wherein a side groove is formed in the surface of the serial server body, a cross rod is arranged on the surface of the side groove and penetrates through a fixing plate, a clamping strip is arranged on the surface of the fixing plate, a flexible limiting strip is arranged on the top surface of the side groove, a base plate is arranged on the surface of the fixing plate, a damping pad is arranged on the surface of the base plate, and a groove is formed in the surface of the base plate; the beneficial effects are that: according to the single-network WIFI serial port server based on the computer technology, the side groove is formed in the side edge of the single-network WIFI serial port server, the folding type fixing plate is installed in the side groove, when the fixing plate is stored in the side groove, the two groups of flexible limiting strips limit the clamping strips, the fixing plate is prevented from falling off from the side groove at will, and the fixing plate is prevented from being broken due to extension.

Description

Single-network WIFI serial server based on computer technology
Technical Field
The invention relates to the technical field of serial servers, in particular to a single-network WIFI serial server based on a computer technology.
Background
The wireless serial server supports rapid networking in a channel number-designated mode. In a typical wireless networking process, a scan is first automatically made of all the channels present to search for the (or Adhoc) network created by the destination AP to which the connection is to be made. The built-in module provides parameters for setting the working channel, and the working channel of the module can be directly appointed under the condition of the known channel of the target network, so that the networking speed is accelerated.
In the prior art, a single-network WIFI serial server is widely used, two fixing plates are arranged on the surface of the single-network WIFI serial server and are used for installing the single-network WIFI serial server on a wall body or a rack, and the fixing plates are extended and have small thicknesses, so that the fixing plates are easy to bend and break during storage, and the use is influenced; after the single-network WIFI serial server is installed, the single-network WIFI serial server is attached to the installation surface, so that the heat dissipation at the back plate of the single-network WIFI serial server is slow; and the wire body that single net WIFI serial port server was led in is touched the tractive back by the mistake, easily leads to the plug of wire body tip and socket department not hard up, leads to contact failure problem.
Disclosure of Invention
The invention aims to provide a single-network WIFI serial port server based on a computer technology, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a single-network WIFI serial server based on computer technology comprises a serial server body, wherein a side groove is formed in the surface of the serial server body, a cross rod is arranged on the surface of the side groove and penetrates through a fixing plate, a clamping strip is arranged on the surface of the fixing plate, a flexible limiting strip is arranged on the top surface of the side groove, a base plate is arranged on the surface of the fixing plate, a damping cushion is arranged on the surface of the base plate, a groove is formed in the surface of the base plate, a reserved hole is formed in the surface of the fixing plate, radiating holes are formed in the surface of the fixing plate, an isolating bulge is arranged on the surface of the serial server body, an interface is arranged on the surface of the serial server body, a lantern ring is arranged on the surface of the serial server body, a clamping screw rod is screwed on the surface of the lantern ring, a sealing ring is arranged on, the surface of the limiting seat is provided with a wire bundling groove, the upper part of the limiting seat is buckled with a pressing plate, the surface of the pressing plate is provided with an epitaxial plate, a spring is arranged between the epitaxial plate and the beam frame, and the surface of the beam frame is screwed with a pushing screw rod.
Preferably, the limit groove is square cylinder structure, and the limit groove is provided with two sets ofly, and two sets of limit grooves are about serial ports server body symmetric distribution, and the horizontal pole is circular cylinder structure, and the fixed plate is square platelike structure, and wherein two terminal surfaces of fixed plate are convex curved surface, and the card strip is circular cylinder structure, and flexible spacing is convex cylinder structure, and flexible spacing is provided with two, and the fixed plate receive and releases when limit inslot portion, two flexible spacing are about card strip symmetric distribution.
Preferably, the backing plate is square platelike structure, and it is convex structure to scratch the groove, scratches the groove and between two parties on the surface of backing plate, and the preformed hole runs through fixed plate, backing plate and damping pad, and the louvre is provided with the multiunit, and the multiunit louvre is arranged along the long limit of fixed plate and is distributed, and every group louvre is provided with two.
Preferably, the isolation bulges are of a round table-shaped structure, the isolation bulges are provided with two groups, the two groups of isolation bulges are symmetrically distributed about the serial server body, each group of isolation bulges is provided with a plurality of isolation bulges, and the isolation bulges are distributed in an equidimension mode at equal intervals.
Preferably, the lantern ring is ring shape structure, and the clamping screw is provided with two sets ofly, and two sets of clamping screw are upper and lower symmetric distribution about the lantern ring, and the sealing washer is ring shape structure, and the sealing washer is in the port department of the lantern ring.
Preferably, the beam frame is of an Contraband-shaped frame structure, the limiting seats are of a square plate-shaped structure, the line bundling grooves are of an arc-shaped structure, the anti-slip pads are bonded on the surfaces of the line bundling grooves, the limiting seats are arranged in a plurality, and the limiting seats are arranged between the beam frame and the serial server body in equal intervals.
Preferably, the pressing plate is of an Contraband-shaped structure, the epitaxial plates are of a square plate-shaped structure, the number of the epitaxial plates is two, the two epitaxial plates are symmetrically distributed about the pressing plate, the spring is centered on the top surfaces of the epitaxial plates, the pushing screw is located right above the center of the top surface of the pressing plate, and the top surface of the pushing screw is provided with a cross screwing handle.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:
1. the single-network WIFI serial port server based on the computer technology is provided with side grooves on the side edges, folding fixing plates are mounted inside the side grooves, when the fixing plates are stored inside the side grooves, the two groups of flexible limiting strips limit the clamping strips, the fixing plates are prevented from falling off from the side grooves at will, and the fixing plates are prevented from being broken due to extension;
2. the isolation bulge is additionally arranged on the surface of the single-network WIFI serial server backboard based on the computer technology, the isolation bulge is positioned between the serial server body and the mounting surface, and the heat dissipation holes are formed in the surface of the fixing plate, so that after the serial server body is mounted, the backboard of the serial server body does not contact the mounting surface, and the heat dissipation at the backboard of the serial server body is facilitated;
3. the limiting seat is additionally arranged on the surface of the single-network WIFI serial-port server based on the computer technology, the wire bunching groove on the surface of the limiting seat limits the wire body, the pressing plate is matched with the wire bunching groove to clamp the wire body after the pushing screw on the surface of the beam frame pushes the pressing plate to move downwards, the connection part is prevented from being loosened due to the fact that the wire body is pulled, the extension plates are additionally arranged on the two sides of the pressing plate, the springs are additionally arranged between the extension plates and the beam frame, and therefore when the pushing screw is loosened and moves upwards, the pressing plate is pulled to move upwards by.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a local structure of a serial server body according to the present invention;
FIG. 3 is a schematic view of the collar structure of the present invention;
fig. 4 is an enlarged schematic view of a structure in fig. 1.
In the figure: the serial port server comprises a serial port server body 1, a side groove 2, a cross rod 3, a fixing plate 4, a clamping strip 5, a flexible limiting strip 6, a base plate 7, a damping pad 8, a groove digging 9, a preformed hole 10, a heat dissipation hole 11, an isolation bulge 12, an interface 13, a lantern ring 14, a clamping screw 15, a sealing ring 16, a beam frame 17, a limiting seat 18, a line bundling groove 19, a pressing plate 20, an extension plate 21, a spring 22 and a pushing screw 23.
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 to 4, the present invention provides a technical solution: a single-network WIFI serial port server based on computer technology comprises a serial port server body 1 (model is referred to USR-W610), side grooves 2 are formed in the surface of the serial port server body 1, cross rods 3 are bonded to the surfaces of the side grooves 2, the cross rods 3 penetrate through a fixing plate 4, clamping strips 5 are bonded to the surface of the fixing plate 4, flexible limiting strips 6 are bonded to the top surface of the side grooves 2, the side grooves 2 are of a square cylinder structure, two groups of side grooves 2 are arranged, the two groups of side grooves 2 are symmetrically distributed around the serial port server body 1, the cross rods 3 are of a circular cylinder structure, the fixing plate 4 is of a square plate structure, two end faces of the fixing plate 4 are of arc curved surfaces, the clamping strips 5 are of a circular cylinder structure, the flexible limiting strips 6 are of arc cylinder structures, the two flexible limiting strips 6 are arranged, when the fixing plate 4 is placed in the side grooves 2, the two flexible limiting, referring to the attached drawing 1, wherein the fixed plate 4 on the left side is folded inside the side groove 2, at this time, the two sets of flexible limiting strips 6 limit the clamping strips 5, so that the fixed plate 4 is prevented from swinging inside the side groove 2, the fixed plate 4 is pulled downwards at the groove digging 9 by fingers, the bottom end of the fixed plate 4 rotates around the cross rod 3, and the fixed plates 4 on the two sides are fixed on the wall surface after being pulled out and penetrating through the fixed plate 4, the backing plate 7 and the damping pad 8 by wall connecting screws;
the surface of the fixing plate 4 is bonded with a backing plate 7, the surface of the backing plate 7 is bonded with a damping pad 8, the surface of the backing plate 7 is provided with a groove 9, the surface of the fixing plate 4 is provided with a preformed hole 10, the surface of the fixing plate 4 is provided with radiating holes 11, the backing plate 7 is of a square plate structure, the groove 9 is of an arc structure, the groove 9 is centered on the surface of the backing plate 7, the preformed hole 10 penetrates through the fixing plate 4, the backing plate 7 and the damping pad 8, the radiating holes 11 are provided with a plurality of groups, the plurality of groups of radiating holes 11 are distributed along the long edge of the fixing plate 4 in an arrayed manner, two radiating holes 11 are arranged in each group, the surface of the serial server body 1 is bonded with an isolation bulge 12, the isolation bulge 12 is of a circular table structure, the isolation bulge 12 is provided with two groups, the two groups of isolation bulges, the serial server body 1 is fixed on a wall surface, the isolation bulge 12 is positioned between the serial server body 1 and the wall surface, namely, a back plate of the serial server body 1 is not contacted with the wall surface, and the heat of the back plate of the serial server body 1 is dissipated outside through the heat dissipation holes 11;
the surface of the serial server body 1 is provided with an interface 13, the surface of the serial server body 1 is bonded with a lantern ring 14, the surface of the lantern ring 14 is screwed with clamping screws 15, the inner annular surface of the lantern ring 14 is bonded with a sealing ring 16, the lantern ring 14 is of a circular ring structure, the clamping screws 15 are provided with two groups, the two groups of clamping screws 15 are distributed in a vertical symmetrical mode relative to the lantern ring 14, the sealing ring 16 is of a circular ring structure, the sealing ring 16 is located at the port of the lantern ring 14, after a wire body is inserted between a beam frame 17 and a limiting seat 18, a plug at the end of the wire body is inserted into a corresponding socket of the serial server body 1, the connection of a round-mouth plug is specially processed, namely the clamping screws 15 are screwed, the plug is tightly fixed in the interface 13 by;
the surface of the serial server body 1 is bonded with a beam frame 17, the surface of the serial server body 1 is bonded with a limiting seat 18, the beam frame 17 is of an Contraband-shaped frame structure, the limiting seat 18 is of a square plate structure, the beam groove 19 is of an arc structure, the surface of the beam groove 19 is bonded with an anti-slip pad, the limiting seats 18 are provided with a plurality of limiting seats 18, the limiting seats 18 are arranged between the beam frame 17 and the serial server body 1 in equal size and equal distance, the surface of the limiting seat 18 is provided with the beam groove 19, the upper part of the limiting seat 18 is buckled with a pressing plate 20, the surface of the pressing plate 20 is bonded with an epitaxial plate 21, a spring 22 is bonded between the epitaxial plate 21 and the beam frame 17, the surface of the beam frame 17 is screwed with a pushing screw 23, the pressing plate 20 is of an Contraband-shaped structure, the epitaxial plate 21 is of a square plate structure, the epitaxial plate 21 is provided with two epitaxial plates, the pushing screw 23 is located right above the center of the top surface of the pressing plate 20, the cross-shaped screwing handle is arranged on the top surface of the pushing screw 23, the pushing screw 23 is screwed downwards, the pushing screw 23 pushes the pressing plate 20 to move downwards, the pressing plate 20 clamps the wire body in the wire bundling groove 19, therefore, the looseness of the connection part caused by the wire body being extracted is avoided, in the process that the pressing plate 20 moves downwards, the spring 22 is tensioned by the extension plate 21, and if the pushing screw 23 is screwed back upwards, the pressing plate 20 is pulled upwards by the rebounded spring 22.
The working principle is as follows: in practical use, referring to fig. 1, wherein the left fixing plate 4 is folded inside the side groove 2, at this time, two sets of flexible limiting strips 6 limit the position of the clamping strip 5, so as to prevent the fixing plate 4 from swinging inside the side groove 2, fingers pull the fixing plate 4 downwards at the position of the groove 9, the bottom end of the fixing plate 4 rotates around the cross rod 3, after the fixing plates 4 at both sides are pulled out, the fixing plates are fixed on the wall surface after penetrating through the fixing plate 4, the backing plate 7 and the damping pad 8 by connecting wall screws, at this time, the serial server body 1 is fixed on the wall surface, and the isolation bulge 12 is positioned between the serial server body 1 and the wall surface, i.e. the back plate of the serial server body 1 is not in contact with the wall surface, the heat of the back plate of the serial server body 1 is dissipated outside through the heat dissipation holes 11, after the wire body is, the connection of the round-mouth plug is specially processed, namely a clamping screw 15 is screwed, the clamping screw 15 tightly fixes the plug in a connector 13, a sealing ring 16 is extruded between a lantern ring 14 and the plug to play a sealing role, then a pushing screw 23 is screwed downwards, the pushing screw 23 pushes a pressing plate 20 to move downwards, the pressing plate 20 clamps a wire body in a wire bundling groove 19, therefore, the looseness of the connection part caused by the fact that the wire body is extracted is avoided, in the process that the pressing plate 20 moves downwards, an outer extension plate 21 stretches a spring 22, and if the pushing screw 23 is screwed back upwards, the pressing plate 20 is pulled upwards by the rebounded spring 22.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a single net WIFI serial port server based on computer technology, includes serial port server body (1), its characterized in that: the surface of the serial port server body (1) is provided with a side groove (2), the surface of the side groove (2) is provided with a cross rod (3), the cross rod (3) penetrates through a fixing plate (4), the surface of the fixing plate (4) is provided with a clamping strip (5), the top surface of the side groove (2) is provided with a flexible limiting strip (6), the surface of the fixing plate (4) is provided with a backing plate (7), the surface of the backing plate (7) is provided with a damping pad (8), the surface of the backing plate (7) is provided with a groove (9), the surface of the fixing plate (4) is provided with a preformed hole (10), the surface of the fixing plate (4) is provided with a radiating hole (11), the surface of the serial port server body (1) is provided with an isolation bulge (12), the surface of the serial port server body (1) is provided with an interface (13, the surface spiro union of lantern ring (14) has clamping screw (15), and the interior anchor ring of lantern ring (14) is provided with sealing washer (16), and the surface of serial port server body (1) is provided with roof beam structure (17), and the surface of serial port server body (1) is provided with spacing seat (18), bunch groove (19) have been seted up on the surface of spacing seat (18), and the upper portion lock joint of spacing seat (18) has clamp plate (20), the surface of clamp plate (20) is provided with epitaxial plate (21), be provided with spring (22) between epitaxial plate (21) and roof beam structure (17), the surface spiro union of roof beam structure (17) has top push screw (23).
2. The single-network WIFI serial port server based on the computer technology is characterized in that: side slot (2) are square cylinder structure, side slot (2) are provided with two sets ofly, two sets of side slots (2) are about serial ports server body (1) symmetric distribution, horizontal pole (3) are circular cylinder structure, fixed plate (4) are square platelike structure, the convex curved surface is personally submitted to wherein two ends of fixed plate (4), card strip (5) are circular cylinder structure, flexible spacing (6) are convex cylinder structure, flexible spacing (6) are provided with two, when fixed plate (4) receive and release inside side slot (2), two flexible spacing (6) are about card strip (5) symmetric distribution.
3. The single-network WIFI serial port server based on the computer technology is characterized in that: backing plate (7) are square plate structure, and it is convex structure to dig groove (9), and it is placed in the middle at the surface of backing plate (7) to dig groove (9), and preformed hole (10) run through fixed plate (4), backing plate (7) and damping pad (8), and louvre (11) are provided with the multiunit, and multiunit louvre (11) are arranged along the long limit of fixed plate (4) and are distributed, and every group louvre (11) are provided with two.
4. The single-network WIFI serial port server based on the computer technology is characterized in that: isolation arch (12) are round platform shape structure, and isolation arch (12) are provided with two sets ofly, and two sets of isolation arch (12) are about serial ports server body (1) symmetric distribution, and every group isolation arch (12) are provided with a plurality ofly, and a plurality of isolation arch (12) equidistance are equidimension to be arranged and are distributed.
5. The single-network WIFI serial port server based on the computer technology is characterized in that: the lantern ring (14) is the ring shape structure, and clamping screw (15) are provided with two sets ofly, and two sets of clamping screw (15) are upper and lower symmetric distribution about lantern ring (14), and sealing washer (16) are the ring shape structure, and sealing washer (16) are in the port department of lantern ring (14).
6. The single-network WIFI serial port server based on the computer technology is characterized in that: the beam frame (17) is in an Contraband-shaped frame structure, the limiting seats (18) are in a square plate-shaped structure, the line bundling grooves (19) are in an arc-shaped structure, anti-slip pads are bonded on the surfaces of the line bundling grooves (19), the limiting seats (18) are arranged in a plurality, and the limiting seats (18) are arranged between the beam frame (17) and the serial server body (1) at equal intervals and in equal size.
7. The single-network WIFI serial port server based on the computer technology is characterized in that: the pressing plate (20) is of an Contraband-shaped structure, the extension plates (21) are of a square plate-shaped structure, the number of the extension plates (21) is two, the two extension plates (21) are symmetrically distributed about the pressing plate (20), the springs (22) are centered on the top surfaces of the extension plates (21), the pushing screws (23) are located right above the centers of the top surfaces of the pressing plate (20), and the top surfaces of the pushing screws (23) are provided with cross screwing handles.
CN202011126272.8A 2020-10-20 2020-10-20 Single-network WIFI serial server based on computer technology Withdrawn CN112256099A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011126272.8A CN112256099A (en) 2020-10-20 2020-10-20 Single-network WIFI serial server based on computer technology

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CN202011126272.8A CN112256099A (en) 2020-10-20 2020-10-20 Single-network WIFI serial server based on computer technology

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113738028A (en) * 2021-09-18 2021-12-03 山东英才学院 Prefabricated spliced type imitation thatch roof structure

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Publication number Priority date Publication date Assignee Title
CN207601688U (en) * 2017-12-25 2018-07-10 杨飞扬 A kind of multi-action computer display screen
CN208284885U (en) * 2018-07-05 2018-12-25 福建博腾节能科技有限公司 A kind of energy-saving electric power energy saving device of strong applicability
CN209709958U (en) * 2019-05-21 2019-11-29 深圳市仁天芯科技有限公司 A kind of damp-proof inverter
CN210608394U (en) * 2019-11-27 2020-05-22 陈志源 Wiring protector for power distribution cabinet assembly
CN210927665U (en) * 2019-12-27 2020-07-03 苏州旭佳机械科技有限公司 Novel fire prevention fire-retardant type router
CN211267027U (en) * 2020-03-25 2020-08-14 广州凌蒙贸易有限公司 Wall-mounted network switch

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207601688U (en) * 2017-12-25 2018-07-10 杨飞扬 A kind of multi-action computer display screen
CN208284885U (en) * 2018-07-05 2018-12-25 福建博腾节能科技有限公司 A kind of energy-saving electric power energy saving device of strong applicability
CN209709958U (en) * 2019-05-21 2019-11-29 深圳市仁天芯科技有限公司 A kind of damp-proof inverter
CN210608394U (en) * 2019-11-27 2020-05-22 陈志源 Wiring protector for power distribution cabinet assembly
CN210927665U (en) * 2019-12-27 2020-07-03 苏州旭佳机械科技有限公司 Novel fire prevention fire-retardant type router
CN211267027U (en) * 2020-03-25 2020-08-14 广州凌蒙贸易有限公司 Wall-mounted network switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113738028A (en) * 2021-09-18 2021-12-03 山东英才学院 Prefabricated spliced type imitation thatch roof structure
CN113738028B (en) * 2021-09-18 2023-03-10 山东英才学院 Prefabricated spliced type imitation thatch roof structure

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Application publication date: 20210122