CN207655602U - A kind of high-efficiency cleaning equipment - Google Patents

A kind of high-efficiency cleaning equipment Download PDF

Info

Publication number
CN207655602U
CN207655602U CN201721603276.4U CN201721603276U CN207655602U CN 207655602 U CN207655602 U CN 207655602U CN 201721603276 U CN201721603276 U CN 201721603276U CN 207655602 U CN207655602 U CN 207655602U
Authority
CN
China
Prior art keywords
chamber
connector
negative
pipeline
branch pipe
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
Application number
CN201721603276.4U
Other languages
Chinese (zh)
Inventor
李生强
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.)
Sichuan Sheng Qiang Machinery Manufacturing Co Ltd
Original Assignee
Sichuan Sheng Qiang Machinery Manufacturing 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 Sichuan Sheng Qiang Machinery Manufacturing Co Ltd filed Critical Sichuan Sheng Qiang Machinery Manufacturing Co Ltd
Priority to CN201721603276.4U priority Critical patent/CN207655602U/en
Application granted granted Critical
Publication of CN207655602U publication Critical patent/CN207655602U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model belongs to mechanical equipment cleaning technique field, discloses a kind of high-efficiency cleaning equipment, and for solving the problems, such as existing use air gun, there is cleaning effect differences and clast to splash.The utility model includes negative-pressure pipeline, one end of negative-pressure pipeline connects organism, the other end of negative-pressure pipeline is connected with cleaning head, the cleaning head includes the connector for being connect with negative-pressure pipeline, the connector setting is equipped with multiple branch pipes, one end of branch pipe is stretched into connector, and the other end of branch pipe extends outside connector;The inside of connector is equipped with sealing plate, and water collection chamber is formed between sealing plate and the end of connector, and the connector offers the intake antrum being connected to water collection chamber, and the intake antrum is connected to external water inlet pipe;The periphery of branch pipe in water collection chamber and outside stretching connector is coated with spongy layer.

Description

A kind of high-efficiency cleaning equipment
Technical field
The utility model belongs to mechanical equipment cleaning technique field, and in particular to a kind of high-efficiency cleaning equipment, for machine Impurity is cleared up inside tool equipment gap.
Background technology
Mechanical equipment during use, often since the clast of processing is splashed in gap.In the prior art, for High pressure air rifle is usually used in these broken cleanings cut, by way of impact by it is broken cut sweep out come.But this super work side Formula is in use, broken to cut under the impact of airflow, it may occur that the case where splashing, not only needs to carry out secondary cleaning, And there is also some potential safety problemss;Air-flow powerful simultaneously can cause to blow afloat the spot in gap, lead to factory's ring Border is poor.And due to the very difficult cleaning of many spots (such as greasy dirt) at gap, cleaning effect is poor by way of injection.
Utility model content
There is cleaning effect differences and clast to splash in order to solve the problems, such as existing use air gun for the utility model, and carries For a kind of high-efficiency cleaning equipment, clean effect at gap can be improved, the case where clast splashes in scale removal process can be eliminated, It is disposable to complete the cleaning and collection of clast, while the spot flown upward can also be prevented and pollute air.
To solve technical problem, technical solution used by the utility model is:
A kind of high-efficiency cleaning equipment, which is characterized in that including negative-pressure pipeline, one end of negative-pressure pipeline connects organism, bears The other end of pressure pipeline is connected with cleaning head, and the cleaning head includes the connector for being connect with negative-pressure pipeline, institute It states connector setting and multiple branch pipes is installed, one end of branch pipe is stretched into connector, and the other end of branch pipe extends outside connector; The inside of connector is equipped with sealing plate, and water collection chamber is formed between sealing plate and the end of connector, and the connector offers The intake antrum being connected to water collection chamber, the intake antrum are connected to external water inlet pipe;In water collection chamber and stretch out connector The periphery of external branch pipe is coated with spongy layer;The connector is also equipped with micromotor, the output shaft of the micromotor It is connected with driving wheel, the periphery of each branch pipe is provided with driven wheel, and the driven wheel intermeshing of adjacent branch pipe, wherein one Driven wheel on branch pipe is intermeshed with driving wheel;Negative pressure cavity, the negative port of the negative-pressure air fan are provided on the body It is connected to negative pressure cavity, the negative pressure cavity is also communicated with negative pressure channel, and the negative pressure channel is connected to negative-pressure pipeline, the negative pressure cavity Including the first chamber, second chamber and third chamber being sequentially communicated, it is provided with the first spiral flow deflector in the first chamber, The negative pressure channel is connected to along the tangential direction of first chamber with first chamber, and the lower end of the first chamber is provided with and can open The sealing cover opened, the first chamber are connected to through pipeline with second chamber, and the lower end of the second chamber is provided with collecting tank, institute The epimere for stating second chamber is provided with wire-mesh mist extractor, and the upper end of the second chamber connects through the lower end of pipeline and third chamber It is logical, wire-mesh mist extractor is provided in the third chamber, the upper end of the indoor wire-mesh mist extractor of third chamber is provided with support frame, Strainer is arranged on the support frame, the top of the third cavity is provided with the through-hole being oppositely arranged with strainer, described logical Hole is connected to through pipeline with the air inlet of negative-pressure air fan.
Water tank is installed, the water tank is equipped with water pump, and the water outlet of the water pump is connected to water inlet pipe in the body.
The driven wheel is mounted in the connector between sealing plate and negative-pressure pipeline.
Fixed glides are installed in the driven wheel to the connector between negative-pressure pipeline, sliding is installed in fixed glides Hole, one end of branch pipe sequentially pass through sliding eye, sealing plate, water collection chamber and stretch out outside connector;The periphery of the branch pipe is also associated with One end of resetting spring, the resetting spring is fixedly connected with limiting plate, and the other end of resetting spring is connect with fixed glides.
The course of work of the utility model is:
Negative-pressure pipeline forms negative pressure and to generate negative pressure in each branch pipe, to be inhaled to the impurity in equipment gap It is attached, while during absorption, branch pipe constantly rotates under the induced effect of micromotor, by spongy layer constantly to gap The equipment of surrounding is cleaned, and to be cleaned to gap by adsorbing and wiping two ways, improves the effect of cleaning.
During being wiped to equipment, by intake antrum constantly to spongy layer additional clean water, cleaning and polishing end Spot water in spongy layer is constantly thrown away in the effect of centrifugal force, so constantly realizes the automatic cleaning action of spongy layer.
The dirt collected simultaneously by branch pipe is first by negative-pressure pipeline in first chamber, bigger broken of quality Bits (such as iron filings) fall on down the bottom of first chamber under gravity, and it is tiny it is broken cut, the processes such as dust and steam The filtration of metal mesh enters in second chamber, and steam is then filtered by wire-mesh mist extractor, it is tiny it is broken cut also by The effect of wire-mesh mist extractor is blocked in second chamber;Dust and remaining part steam then enter in third chamber, water Vapour is blocked under the action of third chamber indoor wire-mesh mist extractor;And large dust particle is under the action of the second spiral flow deflector Centrifugal movement is carried out, large dust particle and little particle dust separation, little particle dust are blocked under the action of strainer, to logical The gas for crossing through-hole discharge is the gas of cleaning.
Compared with prior art, the utility model has the advantages that:
The utility model, to being cleared up at the gap of equipment, is adopted compared with prior art by way of adsorbing and wiping Clean effect can be improved with the mode of injection.
The adjacent branch pipe of the utility model is rotated during rotation to different directions, to equipment into Row rotates in the forward direction wiping and direction rotates wiping, further increases clean effect.
The structure that the branch pipe of the utility model passes through resetting spring so that each branch pipe can stretch, to So that the cleaning that can not only apply to plan-position of the utility model, the cleaning being also particularly suitable in equipment gap is full The sufficient uneven cleaning of equipment, improves the practicability of the utility model.
The utility model changes now apertured cleaning way, is carried out broken cut in gap clearly by the way of absorption On the one hand reason will not cause broken cut to be flown upward with dust, eliminate the broken security risk for cutting and splashing and hurting sb.'s feelings, while preventing dust The problem of environment of plant difference caused by flying upward.The utility model absorption after it is broken cut, steam and dust have respectively entered the first chamber Room, second chamber and third chamber carry out categorised collection, are both convenient for subsequent collection and processing, at the same can also ensure it is broken cut and Impurity enters in negative-pressure air fan, improves the service life of negative-pressure air fan.
The design of the utility model metal mesh can prevent granular broken cut from entering and blocking pipeline, ensure the first chamber The categorised collection effect of room, second chamber and third chamber.
Large dust particle can be detached, be convenient for by the structure design of the second spiral flow deflector by the utility model Strainer is separated by filtration, and improves the effect of dust separation.
The support frame of the utility model is made using beryllium-bronze, since beryllium-bronze has certain elasticity and tough Property, under the action of negative pressure, support frame can be shaken with electric filter, to which part dust on strainer is detached from automatically, On the one hand on the other hand the effect of negative-pressure air fan capable of being reduced, has self-cleaning effect, improve strainer service life.
The utility model can carry out strainer the injection of negative direction, improve the use of strainer by the effect of deflection cone Service life.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the enlarged drawing schematic diagram at A in Fig. 1;
It is marked in figure:01, connector, 02, intake antrum, 03, water inlet pipe, 04, branch pipe, 05, fixed glides, 06, sealing plate, 07, water collection chamber, 08, spongy layer, 09, resetting spring, 010, limiting plate, 011, micromotor, 012, driving wheel, 013, driven Wheel, 1, body, 2, negative-pressure pipeline, 3, negative pressure channel, 4, first chamber, 5, second chamber, 6, third chamber, the 7, first spiral is led Flow, 8, collecting tank, 9, sealing cover, 10, wire-mesh mist extractor, 11, support frame, 12, strainer, the 13, second spiral flow deflector, 14, deflection cone, 15, negative-pressure air fan, 16, centrifugal blower, 17, water pump, 18, water tank.
Specific implementation mode
With reference to embodiment, the utility model will be further described, and described embodiment is only that this practicality is new Type a part of the embodiment is not whole embodiment.Based on the embodiments of the present invention, the ordinary skill people of this field Other embodiments used that member is obtained without making creative work, belong to the protection model of the utility model It encloses.
In conjunction with attached drawing, the high-efficiency cleaning equipment of the utility model, including negative-pressure pipeline 2, one end of negative-pressure pipeline 2 are connected with Body 1, as a kind of preferred mode of the utility model, the lower end of body 1 is provided with universal wheel, easy to remove, negative-pressure pipeline 2 The other end be connected with cleaning head, the cleaning head includes the connector 01 for being connect with negative-pressure pipeline 2, the connector 01 Setting is equipped with multiple branch pipes 04, and one end of branch pipe 04 is stretched into connector 01, and the other end of branch pipe 04 extends connector 01 Outside;The inside of connector 01 is equipped with sealing plate 06, and water collection chamber 07 is formed between sealing plate 06 and the end of connector 01, described Connector 01 offers the intake antrum 02 being connected to water collection chamber 07, and the intake antrum 02 is connected to external water inlet pipe 03, as A kind of preferred mode of the utility model, water inlet pipe 03 are bundled with negative-pressure pipeline 2;In water collection chamber 07 and stretch out The periphery of branch pipe 04 outside connector 01 is coated with spongy layer 08;The connector 01 is also equipped with micromotor 011, described The output shaft of micromotor 011 is connected with driving wheel 012, and the periphery of each branch pipe 04 is provided with driven wheel 013, and adjacent The driven wheel 013 of branch pipe 04 is intermeshed, wherein the driven wheel 013 on a branch pipe 04 is intermeshed with driving wheel 012;The machine Negative-pressure air fan 15 is installed on body 1, negative pressure cavity, the negative port and negative pressure of the negative-pressure air fan 15 are provided on the body 1 Chamber is connected to, and the negative pressure cavity is also communicated with negative pressure channel 3, and the negative pressure channel 3 is communicated with negative-pressure pipeline 2, new as this practicality A kind of preferred mode of type, negative-pressure pipeline 2 select telescoping tube, and the negative pressure cavity includes the first chamber 4 being sequentially communicated, the second chamber Room 5 and third chamber 6 are provided with the first spiral flow deflector 7 in the first chamber 4, wherein the first spiral flow deflector spiral to Lower setting, the negative pressure channel 3 is connected to along the tangential direction of first chamber 4 with first chamber 5, under the first chamber 4 End is provided with the sealing cover 9 that can be opened, and is convenient for opening for being collected operation by sealing cover 9;The first chamber 4 It is connected to second chamber 5 through pipeline, the lower end of first chamber and second chamber is interconnected through pipeline, the second chamber 5 Lower end is provided with collecting tank 8, and the epimere of the second chamber 5 is provided with wire-mesh mist extractor 10, the upper end warp of the second chamber 5 Pipeline is connected to the lower end of third chamber 6, is provided with wire-mesh mist extractor 10 in the third chamber 6,6 silk screen in third chamber The upper end of mist eliminator 10 is provided with support frame 11, and strainer 12, the top of the third cavity 6 are arranged on the support frame 11 End is provided with the through-hole being oppositely arranged with strainer 12, and the through-hole is connected to through pipeline with the air inlet of negative-pressure air fan 15.
The utility model, to being cleared up at the gap of equipment, is adopted compared with prior art by way of adsorbing and wiping Clean effect can be improved with the mode of injection.
The adjacent branch pipe of the utility model is rotated during rotation to different directions, to equipment into Row rotates in the forward direction wiping and direction rotates wiping, further increases clean effect.
The utility model changes now apertured cleaning way, is carried out broken cut in gap clearly by the way of absorption On the one hand reason will not cause broken cut to be flown upward with dust, eliminate the broken security risk for cutting and splashing and hurting sb.'s feelings, while preventing dust The problem of environment of plant difference caused by flying upward.The utility model absorption after it is broken cut, steam and dust have respectively entered the first chamber Room, second chamber and third chamber carry out categorised collection, are both convenient for subsequent collection and processing, at the same can also ensure it is broken cut and Impurity enters in negative-pressure air fan, improves the service life of negative-pressure air fan.
As a kind of preferred mode of the utility model, water tank 18 is installed in body 1, water tank is connected with water pump 17, water The water outlet of pump is connected to through pipeline with water inlet pipe, to constantly think that water collection chamber 07 inputs water source by water pump, ensures spongy layer Moistening.
As a kind of preferred mode of the utility model, the driven wheel 013 be mounted on sealing plate 06 and negative-pressure pipeline 2 it Between connector 01 in so that driven wheel is mutually isolated with water collection chamber, prevent the cleaning water pollution driven wheel in water collection chamber And driving wheel, while ensure that the lubricant effect of driven wheel and driving wheel lubricating grease.
As a kind of preferred mode of the utility model, in the driven wheel 013 to the connector 01 between negative-pressure pipeline 2 Fixed glides 05 are installed, sliding eye is installed in fixed glides 05, one end of branch pipe 04 sequentially passes through sliding eye, sealing plate 06, water collection chamber 07 stretches out outside connector 01;The periphery of the branch pipe 04 is also associated with resetting spring 09, the resetting spring 09 One end is fixedly connected with limiting plate 010, and the other end of resetting spring 09 is connect with fixed glides 05 so that each branch pipe can It enough stretches, so that the cleaning that can not only apply to plan-position of the utility model, is also particularly suitable equipment Cleaning in gap meets the uneven cleaning of equipment, improves the practicability of the utility model.Wherein on each branch pipe 04 One limiting plate 010 is installed, to ensure the independence of the movement of each branch pipe 04.
As a kind of preferred mode of the utility model, for the ease of the collection of material, first chamber, second chamber and The lower end of three chambers is respectively connected with collecting tank 8, and the lower end of collecting tank 8 is connected with sealing cover 9.Preferably, collecting tank is in funnel-form, Convenient for the concentration of material.
The metal mesh that the pipeline for that will be connected to first chamber and second chamber covers is provided in first cavity 5; The lower end of first cavity is connected to through pipeline with the lower end of second chamber.The design of the utility model metal mesh can prevent Granular broken cut enters and blocks pipeline, ensures first chamber, the categorised collection effect of second chamber and third chamber.
It is provided with the second spiral flow deflector 13 in the third chamber 6, the second spiral flow deflector 13 is along spiral upward Mode is arranged, and second spiral flow deflector 13 is arranged between strainer 15 and wire-mesh mist extractor 10, second spiral stream guidance There is gap between piece and the inner wall of third chamber.The utility model can be incited somebody to action by the structure design of the second spiral flow deflector Large dust particle is detached, and convenient for being separated by filtration for strainer, improves the effect of dust separation.
The support frame is made by beryllium-bronze, and the strainer is set in the periphery of support frame and third chamber connects It connects.
The support frame of the utility model is made using beryllium-bronze, since beryllium-bronze has certain elasticity and tough Property, under the action of negative pressure, support frame can be shaken with electric filter, to which part dust on strainer is detached from automatically, On the one hand on the other hand the effect of negative-pressure air fan capable of being reduced, has self-cleaning effect, improve strainer service life.
The through-hole lower end is also equipped with deflection cone, and the deflection cone is in coniform, and the axis and through-hole of deflection cone Center line on the same line, the tip of the deflection cone is located at upper end, and water conservancy diversion is connected on the outer surface of the deflection cone Piece, deflection cone are fixed on the top of third chamber through flow deflector.The utility model by the effect of deflection cone, can to strainer into The injection of row negative direction improves the service life of strainer.The deflection cone of the utility model can improve the uniformity of air flow method, During blowback, all directions of strainer can be blown.
For the ease of carrying out the automatic cleaning action of cleaning and strainer to forging machine, the through-hole is connected with the utility model Pipeline, the pipeline are connected with first pipe and second pipe, and the first pipe is connected to the air inlet of negative-pressure air fan 15, institute State second pipe connection and centrifugal blower 16;Reversal valve is installed on the pipeline.

Claims (6)

1. a kind of high-efficiency cleaning equipment, which is characterized in that including negative-pressure pipeline, one end of negative-pressure pipeline connects organism, negative pressure The other end of pipeline is connected with cleaning head, and the cleaning head includes the connector for being connect with negative-pressure pipeline, described Connector setting is equipped with multiple branch pipes, and one end of branch pipe is stretched into connector, and the other end of branch pipe extends outside connector;Even The inside of connector is equipped with sealing plate, forms water collection chamber between sealing plate and the end of connector, the connector offer with The intake antrum of water collection chamber connection, the intake antrum are connected to external water inlet pipe;In water collection chamber and stretch out outside connector The periphery of the branch pipe in portion is coated with spongy layer;The connector is also equipped with micromotor, and the output shaft of the micromotor connects It is connected to driving wheel, the periphery of each branch pipe is provided with driven wheel, and the driven wheel intermeshing of adjacent branch pipe, wherein one Driven wheel on pipe is intermeshed with driving wheel;Be provided with negative pressure cavity on the body, the negative port of the negative-pressure air fan with Negative pressure cavity is connected to, and the negative pressure cavity is also communicated with negative pressure channel, and the negative pressure channel is connected to negative-pressure pipeline, the negative pressure cavity packet The first chamber being sequentially communicated, second chamber and third chamber are included, the first spiral flow deflector, institute are provided in the first chamber It states negative pressure channel to be connected to first chamber along the tangential direction of first chamber, the lower end of the first chamber is provided with and can open Sealing cover, the first chamber is connected to through pipeline with second chamber, and the lower end of the second chamber is provided with collecting tank, described The epimere of second chamber is provided with wire-mesh mist extractor, and the upper end of the second chamber is connected to through pipeline with the lower end of third chamber, Wire-mesh mist extractor is provided in the third chamber, the upper end of the indoor wire-mesh mist extractor of third chamber is provided with support frame, institute It states and is arranged with strainer on support frame, the top of the third cavity is provided with the through-hole being oppositely arranged with strainer, the through-hole It is connected to the air inlet of negative-pressure air fan through pipeline.
2. high-efficiency cleaning equipment according to claim 1, which is characterized in that be equipped with water tank, the water in the body Case is equipped with water pump, and the water outlet of the water pump is connected to water inlet pipe.
3. high-efficiency cleaning equipment according to claim 1, which is characterized in that the driven wheel is mounted on sealing plate and negative pressure In connector between pipeline.
4. high-efficiency cleaning equipment according to claim 1, which is characterized in that the driven wheel to the company between negative-pressure pipeline Fixed glides are installed in connector, sliding eye is installed in fixed glides, one end of branch pipe sequentially pass through sliding eye, sealing plate, Water collection chamber stretches out outside connector;The periphery of the branch pipe is also associated with resetting spring, one end of the resetting spring and limiting plate It is fixedly connected, the other end of resetting spring is connect with fixed glides.
5. high-efficiency cleaning equipment according to claim 1, which is characterized in that the through-hole lower end is also equipped with deflection cone, The deflection cone is in coniform, and the center line of the axis of deflection cone and through-hole is on the same line, the point of the deflection cone End is located at upper end, is connected with flow deflector on the outer surface of the deflection cone, deflection cone is fixed on the top of third chamber through flow deflector End.
6. high-efficiency cleaning equipment according to claim 5, which is characterized in that the through-hole is connected with pipeline, the pipeline It is connected with first pipe and second pipe, the first pipe is connected to the air inlet of negative-pressure air fan, the second pipe connection With centrifugal blower;Reversal valve is installed on the pipeline.
CN201721603276.4U 2017-11-26 2017-11-26 A kind of high-efficiency cleaning equipment Expired - Fee Related CN207655602U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721603276.4U CN207655602U (en) 2017-11-26 2017-11-26 A kind of high-efficiency cleaning equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721603276.4U CN207655602U (en) 2017-11-26 2017-11-26 A kind of high-efficiency cleaning equipment

Publications (1)

Publication Number Publication Date
CN207655602U true CN207655602U (en) 2018-07-27

Family

ID=62947471

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721603276.4U Expired - Fee Related CN207655602U (en) 2017-11-26 2017-11-26 A kind of high-efficiency cleaning equipment

Country Status (1)

Country Link
CN (1) CN207655602U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112337835A (en) * 2020-10-30 2021-02-09 马鞍山量子线自动化科技有限公司 Cleaning device for construction machinery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112337835A (en) * 2020-10-30 2021-02-09 马鞍山量子线自动化科技有限公司 Cleaning device for construction machinery

Similar Documents

Publication Publication Date Title
CN204134434U (en) A kind of large ash quantity lacquer spraying waste gas treating apparatus
CN108554094B (en) A high-efficient multistage dust collecting equipment for automobile production workshop
CN112957866B (en) Manipulator for welding photovoltaic module
CN207949737U (en) A kind of dust-extraction unit detached using tornadotron
CN115531959A (en) Sewage treatment equipment
CN207655602U (en) A kind of high-efficiency cleaning equipment
CN110743300A (en) Dust treatment device for wood working
CN210856022U (en) High-efficiency blast furnace gas dust collector
CN204851793U (en) Air purification ventilation blower
CN200991624Y (en) Dust-removal fan
CN206027334U (en) Improved generation sanding room dust collecting equipment
CN107952746A (en) A kind of high-efficiency cleaning device
CN207823512U (en) A kind of workpiece gap wiper mechanism of forging machine
CN205690969U (en) A kind of cleaning device
CN214182311U (en) High-efficiency dust collector
CN108324177A (en) A kind of vacuum cleaner detached using tornadotron
CN209379341U (en) Dust-extraction unit is used in a kind of spraying of screw
CN209885426U (en) High-efficient bag collector
CN201070566Y (en) Dust removing device
CN211585819U (en) Dust collector for automatic sand blasting machine
CN217829344U (en) Novel dust remover device
CN208244365U (en) A kind of cleaner with the automatic clearing function of filter core
CN218421847U (en) Round cage type dust remover
CN105973062B (en) A kind of cleaning method of cleaning device
CN208302434U (en) A kind of wind outlet unit

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: 20180727

Termination date: 20181126