CN204220575U - A kind of tube cleaning arrangement - Google Patents
A kind of tube cleaning arrangement Download PDFInfo
- Publication number
- CN204220575U CN204220575U CN201420678392.2U CN201420678392U CN204220575U CN 204220575 U CN204220575 U CN 204220575U CN 201420678392 U CN201420678392 U CN 201420678392U CN 204220575 U CN204220575 U CN 204220575U
- Authority
- CN
- China
- Prior art keywords
- fluid reservoir
- outlet
- vane pump
- high pressure
- atomizer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model relates to cleaning device field, disclose a kind of tube cleaning arrangement, comprise device body, the inside of device body is provided with the fluid reservoir for splendid attire cleaning agent, the liquid outlet of fluid reservoir is connected to the entrance of high pressure vane pump by pressure switch, the outlet of high pressure vane pump is connected with the entrance of tapping valve, and pressure switch is connected with control device; First outlet of tapping valve is connected to the recovery port of fluid reservoir, and the second outlet of tapping valve is connected to extension tube attached, and extension tube attached is connected with spraying system; Be provided with safety valve between second outlet of tapping valve and extension tube attached, safety valve is also connected with the recovery port of fluid reservoir.The structure of the pipe cleaning device in the utility model and manufacturing process are all comparatively simple, be convenient to install, save a large amount of human and material resources in use procedure, and suitable large-scale promotion uses.
Description
Technical field
The utility model relates to cleaning device field, discloses a kind of tube cleaning arrangement more specifically.
Background technology
Among daily life and Industrial Engineering, usually to use pipeline, because pipeline exists the features such as length is longer, line size is less, installation site is inconvenient, cause pipe interior easily to accumulate dirt, be unfavorable for cleaning.
For range oil smoke pipeline, the Large Oil smoke pipeline used in various restaurant and dining room constantly carries out cleaning and safeguarding, otherwise easily produces disaster hidden-trouble.The mode of clearing up fume pipeline in prior art is engage special cleaning workman to use chemical to clean pipeline mostly, also needs cleaning workman to enter into fume pipeline in certain extreme cases and cleans.There is the problems such as cost of labor is high, scavenging period long, cleaning is thorough not, chemical reagent contaminated environment in the mode that above-mentioned employing manually carries out cleaning.The problems such as one utilizes giant directly to spray fume pipeline, and to rinse out the object that greasy dirt reaches cleanser conduit, but such cleaning way exists cleaning performance difference, and water consumption is too high, feature of environmental protection difference are also had in prior art.
In sum, the mode that the fume pipeline in prior art Zhong Dui restaurant, dining room and kitchen carries out clearing up all is difficult to obtain obvious effect, and there is following distinct disadvantage:
(1) oil smoke of the larger generation in kitchen is more, the also more complicated and easy dead angle that do not clean up of generation of corresponding fume pipeline, and these dead angles use the mode of giant cleaning or manual cleaning to be difficult to clean up;
(2) carry out needing in the process of cleaning to consume a large amount of water at use traditional cleaning formulations, and generation cleans waste water in a large number, these waste water are difficult to repetitive cycling and utilize, and cause a large amount of waste and environmental pollution;
(3) longer for some service times, the fume pipeline that accumulation of mud is thicker, chemical must be used to carry out cleaning to it can be cleaned up, but containing a large amount of environmentally hazardous composition in chemical, very not environmentally.
Therefore, a kind of tube cleaning arrangement is needed in market badly, uses this tube cleaning arrangement can clear up the pipeline of various shape and length, and cleaning automaticity is high, and cleaning performance is good.
Utility model content
An object of the present utility model is, proposes a kind of tube cleaning arrangement, to solve the fume pipeline not easy cleaning in restaurant in prior art, dining room and kitchen, the problem that manual cleaning cost is high, efficiency is low, cleaning performance is poor.
For reaching this object, the utility model by the following technical solutions:
A kind of tube cleaning arrangement, comprise device body, the inside of described device body is provided with the fluid reservoir for splendid attire cleaning agent, the liquid outlet of described fluid reservoir is connected to the entrance of high pressure vane pump by pressure switch, the outlet of described high pressure vane pump is connected with the entrance of tapping valve, and described pressure switch is connected with control device; First outlet of described tapping valve is connected to the recovery port of described fluid reservoir, and the second outlet of described tapping valve is connected to extension tube attached, and described extension tube attached is connected with spraying system; Be provided with safety valve between second outlet of described tapping valve and extension tube attached, described safety valve is also connected with the recovery port of described fluid reservoir.
Further, described spraying system comprises at least one atomizer, and each described atomizer is provided with fixed structure, and described fixed structure is used for described atomizer to be fixed on pipe interior; Linked together by tube connector between described atomizer, described tube connector is used for transport cleaning agent.
Preferably, described fixed structure is screw connection structure.
Preferably, described tube connector and extension tube attached are polyurethane high-pressure hose.
Preferably, described atomizer is taper atomizer, and the opening angle of the taper of described taper atomizer is 90 °-120 °.
Preferably, filter is provided with between the liquid outlet of described fluid reservoir and the entrance of high pressure vane pump; Described filter is used for diameter being more than or equal to the particle filtering of 125 microns and being stored in described filter.
Further, be provided with Pressure gauge between the outlet of described high pressure vane pump and the entrance of tapping valve, described Pressure gauge is connected with described control device.
Preferably, described high pressure vane pump is driven by motor; Described motor is connected with described control device.
Further, be provided with liquid-level switch in described fluid reservoir, described liquid-level switch is connected with warning device; When predetermined fluid level lower than described liquid-level switch of the liquid level of the cleaning agent in described fluid reservoir, described warning device is reported to the police.
Preferably, described fluid reservoir is made up of the metal material not reacting with cleaning agent.
The beneficial effects of the utility model are:
The utility model selects the vaporific nozzle of the taper of wide-angle, linked together by polyurethane high-pressure hose between nozzle, the position that any needs of pipe interior carry out clearing up can be arranged in use, can increase, reduce and change according to the shape of pipeline and length quantity and the distribution mode of nozzle, flexible and changeable, various pipeline can be adapted to, efficiently solve the cleaning problem at dead angle in pipeline.
The utility model uses vaporific nozzle, therefore compared in prior art by the mode that artificial or giant are cleared up pipeline, water consumption is less, and cleaning performance is better, and cleaning automaticity is high.
The structure of the pipe cleaning device in the utility model and manufacturing process are all comparatively simple, be convenient to install, save a large amount of human and material resources in use procedure, and suitable large-scale promotion uses.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the tube cleaning arrangement that the utility model proposes;
Fig. 2 is the circuit connection structure figure of the tube cleaning arrangement that the utility model proposes.
In figure:
1, fluid reservoir; 2, device body; 3, liquid-level switch; 4, filter; 5, safety valve; 6, tapping valve; 7, extension tube attached; 8, pressure switch; 9, Pressure gauge; 10, high pressure vane pump; 11, motor; 12, liquid outlet; 13, recovery port; 14, liquid injection port; 15, control device; 151, first interface; 152, the second interface; 153, the 3rd interface; 154, the 4th interface; 155, the 5th interface; 16, display screen; 17, button; 18, spraying system.
Detailed description of the invention
The technical solution of the utility model is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
As Fig. 1, shown in composition graphs 2, be a kind of pipe cleaning device that the utility model proposes, comprise device body 2, the inside of device body 2 is provided with the fluid reservoir 1 for splendid attire cleaning agent, and fluid reservoir 1 is made up of the metal material not reacting with cleaning agent.But be not limited in metal material for the manufacture of the material of fluid reservoir 1, other the material do not reacted with cleaning agent can also be used to make.The top of device body 2 has liquid injection port 14, and liquid injection port 14 is positioned at the top of fluid reservoir 1, can to filling cleaning agent in fluid reservoir 1 from liquid injection port 14.Be provided with liquid-level switch 3 in fluid reservoir 1, liquid-level switch 3 has upper limit level and bottom limit level, and liquid-level switch 3 is connected with warning device.When bottom limit level lower than liquid-level switch 3 of the liquid level of the cleaning agent in fluid reservoir 1, liquid-level switch 3 is by signal transmission to warning device, and warning device carries out reporting to the police to remind user to add cleaning agent in fluid reservoir 1.When the upper limit level of the liquid level in fluid reservoir 1 higher than liquid-level switch 3, warning device is also reported to the police, and reminds user to stop adding cleaning agent in fluid reservoir 1.It is different with stopping the chimes of doom adding cleaning agent that warning device reminding user adds cleaning agent, is convenient to user and differentiates.Be provided with liquid outlet 12 and recovery port 13 in fluid reservoir 1, liquid outlet 12 is for being delivered to outside by the cleaning agent in fluid reservoir 1, and recovery port 13 is transmitted back in fluid reservoir 1 for being reclaimed by the cleaning agent do not used completely.
The liquid outlet 12 of fluid reservoir 1 is connected to the entrance of high pressure vane pump 10 by pressure switch 8, be delivered in high pressure vane pump 10 by the cleaning agent in fluid reservoir 1.Wherein, pressure switch 8 is connected with control device 15, the opening and closing of control device 15 controlled pressure switch 8.High pressure vane pump 10 is driven by motor 11, and motor 11 is by 220V power drives.Motor 11 is connected with control device 15, and motor 11 rotating band dynamic high-pressure vane pump 10 runs, and is transported out by the cleaning agent entering into high pressure vane pump 10.Pressure switch 8, for detecting the force value of the porch of high pressure vane pump 10, effectively can be avoided supplying insufficient pressure and cause high pressure vane pump 10 that the appearance of infringement phenomenon occurs.When pressure switch 8 detects the force value at high pressure vane pump 10 entry position place lower than the numerical value set, pressure switch 8 can signal to control device 15, control device 15 disable motor 11, avoids in use occurring cavitation phenomenons and damaging high pressure vane pump 10.Filter 4 is provided with between the liquid outlet 12 of fluid reservoir 1 and the entrance of high pressure vane pump 10, filter 4 is for being more than or equal to the particle filtering of 125 microns and being stored in filter 4 by diameter, prevent dust and larger particle foreign matter from entering into high pressure vane pump 10, reduce the infringement that foreign matter causes high pressure vane pump 10.
The outlet of high pressure vane pump 10 is connected with the entrance of tapping valve 6, and from high pressure vane pump 10, cleaning agent out enters into tapping valve 6.First outlet of tapping valve 6 is connected to the recovery port 13 of fluid reservoir 1, and the second outlet of tapping valve 6 is connected to extension tube attached 7, and extension tube attached 7 is connected with spraying system 18.As one preferred embodiment, be provided with Pressure gauge 9 between the outlet of high pressure vane pump 10 and the entrance of tapping valve 6, Pressure gauge 9 is connected with control device 15.The setting of Pressure gauge 9 can find out the size of the pressure of the cleaning agent of discharging in high pressure vane pump 10 intuitively, and the pressure energy that Pressure gauge 9 shows is enough in and judges whether hydraulic system is in normal condition.Simultaneously; Pressure gauge 9 is with electrical nodes output function; when the pressure of the pressure that the port of export of high pressure vane pump 10 discharges higher than system requirements; Pressure gauge 9 can send node signal and pass to control device 15; control device 15 controls high pressure vane pump 10 and quits work, and therefore the setting of Pressure gauge 9 can the damage that causes from overvoltage of available protecting high pressure vane pump 10.
Be provided with safety valve 5 between second outlet of tapping valve 6 and extension tube attached 7, safety valve 5 is also connected with the recovery port 13 of fluid reservoir 1, and tapping valve 6 is for flowing back to the unnecessary cleaning agent do not used in pipe cleaning device.When control device 15 control cleaning plant quit work time, tapping valve 6 starts cleaning agent high pressure vane pump 10 exit with certain pressure and is expelled back in fluid reservoir 1, initial value is reached to make the pressure in loop, avoid high pressure vane pump 10 under the state of quitting work, water clock cleaning agent and causing damage slowly in spraying system 18.
Spraying system 18 comprises at least one atomizer, and each atomizer is provided with fixed structure, and fixed structure is used for atomizer to be fixed on pipe interior.Linked together by tube connector between atomizer, tube connector is used for transport cleaning agent.As further embodiment, the fixed structure in the application is screw connection structure.By punching on pipeline, and screw bolt and nut structure is used to be fixed in the duct by atomizer.Wherein, tube connector and extension tube attached 7 are polyurethane high-pressure hose.Preferably, atomizer is taper atomizer, and the opening angle of taper is 90 °-120 °.
Safety valve 5 is arranged between the second outlet of tapping valve 6 and extension tube attached 7, and the force value of the hydraulic system of the ratio pipe cleaning device of the maximum pressure value setting of safety valve 5 exceeds 25%.The setting of safety valve 5 can stop system to occur the situation of superpressure.If in use tube connector nozzle that is blocked or spraying system 18 is blocked, safety valve 5 will be connected between tapping valve 6 with extension tube attached 7 with recovery port 13, and the cleaning agent retained in extension tube attached 7 is got back in fluid reservoir 1.
High pressure polyurethane flexible pipe is all adopted to be connected with the snap joint with fast insert-pull function between above-mentioned each Hydraulic Elements.Connect it is significant to note that above and need to adopt compact siro spinning technology, to prevent cleaning agent from leaking, thus affect cleaning performance or cause unnecessary loss.
In specific implementation process, spraying system 18 is made up of threeway snap joint, polyurethane flexible pipe, antidrip conical nozzle.Nozzle maximum angle can reach 120 °, is connected between nozzle by high pressure polyurethane flexible pipe, can be arranged on the optional position of fume pipeline, effectively solves cleaning Dead Core Problems.The utility model selects the vaporific nozzle of the taper of wide-angle, linked together by polyurethane high-pressure hose between nozzle, the position that any needs of pipe interior carry out clearing up can be arranged in use, can increase, reduce and change according to the shape of pipeline and length quantity and the distribution mode of nozzle, flexible and changeable, efficiently solve the cleaning problem at dead angle in pipeline.Owing to using vaporific nozzle, therefore compared in prior art by the mode that artificial or giant are cleared up pipeline, water consumption is less, and automaticity is high, and cleaning performance is better.
As shown in Figure 2, be the circuit structure of the tube cleaning arrangement that the application proposes, control device 15 comprises first interface 151, second interface 152, the 3rd interface 153, the 4th interface 154, the 5th interface 155.First interface 151 is connected with pressure switch 8, and the second interface 152 is connected with motor 11, and the 3rd interface 153 is connected with Pressure gauge 9, and the 4th interface 154 is connected with display screen 16, and the 5th interface 155 is connected with button 17.Control device 15 is used by 24V Power supply, and in use can be operated by button 17 pairs of control device 15, operation information and operation information are presented on display screen 16 by display screen 16 by control device 15.
Below with a concrete embodiment, describe the course of work of the tube cleaning arrangement in the application in detail.First atomizer is threaded connection and fixes in the duct, in fluid reservoir 1, fill cleaning agent, open external power source and start control device 15, coordinate display screen 16 input service status command by the button 17 of control device 15, such as: work 20 seconds, 40 seconds are stopped.The synchronizing information of input is presented on display screen 16, when the information determining to input is errorless, presses and confirms that button confirms to start working.To notice in the device course of work whether warning device reports to the police the moment, if warning device carries out reporting to the police, need to add cleaning agent in artificial phase fluid reservoir 1.Try out high pressure vane pump 10 and check that whether Pressure gauge 9 is normal, when after high pressure vane pump 10 test running no problem, system preparation completes.
In kitchen, range hood is started working, and can provide a working signal, fume pipeline cleaning device is synchronously started working.Motor 11 energizes high-pressure vane pump 10 operates, and is exported the cleaning agent of certain pressure by hydraulic circuit system.Cleaning agent enters spraying system 18, forms vaporific rolling particle by atomizer, and range hood produces ascending air, oil smoke and vaporific cleaning agent is fully merged.Cleaning agent and oil smoke form decomposition, produce carbon dioxide and water.Work after 20 seconds, system quits work automatically, intelligent timing device display dwell time, and when stopping is after full 40 seconds, system is resumed work again.After in kitchen, range hood is finished the work, can provide a stop signal, fume pipeline cleaning device quits work.Then check cleaning agent capacity in fluid reservoir 1, whether warning device reports to the police.After inspection, close whole system, complete cleaning.
What adopt in specific implementation process is that biological cycle cleaning agent cleans, and the cleaning agent sprayed by spraying system 18 is nebulized rolling in smoke discharging pipe, and the oil smoke in pipeline forms decomposition, reaches the effect of wash oil smoke pipeline.Owing to have employed biological decomposition technology, oil smoke decomposes under cleaning agent effect, without the need to using extra clear water to clean pipeline, serves the effect of water saving.Greasy dirt decomposes by biological cycle cleaning agent, by oil stain decomposition Cheng Shui and carbon dioxide, can not cause environmental pollution.The structure of the pipe cleaning device in the utility model and manufacturing process are all comparatively simple, be convenient to install, save a large amount of human and material resources in use procedure, and suitable large-scale promotion uses.
Below describe know-why of the present utility model in conjunction with specific embodiments, these describe just in order to explain principle of the present utility model, can not be interpreted as the restriction to the utility model protection domain by any way.Based on explaining herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present utility model, and these modes all will fall within protection domain of the present utility model.
Claims (10)
1. a tube cleaning arrangement, comprise device body (2), the inside of described device body (2) is provided with the fluid reservoir (1) for splendid attire cleaning agent, it is characterized in that: the liquid outlet (12) of described fluid reservoir (1) is connected to the entrance of high pressure vane pump (10) by pressure switch (8), the outlet of described high pressure vane pump (10) is connected with the entrance of tapping valve (6), and described pressure switch (8) is connected with control device (15);
First outlet of described tapping valve (6) is connected to the recovery port (13) of described fluid reservoir (1), second outlet of described tapping valve (6) is connected to extension tube attached (7), and described extension tube attached (7) is connected with spraying system (18);
Be provided with safety valve (5) between second outlet of described tapping valve (6) and extension tube attached (7), described safety valve (5) is also connected with the recovery port (13) of described fluid reservoir (1).
2. tube cleaning arrangement according to claim 1, it is characterized in that: described spraying system (18) comprises at least one atomizer, each described atomizer is provided with fixed structure, and described fixed structure is used for described atomizer to be fixed on pipe interior;
Linked together by tube connector between described atomizer, described tube connector is used for transport cleaning agent.
3. tube cleaning arrangement according to claim 2, is characterized in that: described fixed structure is screw connection structure.
4. tube cleaning arrangement according to claim 2, is characterized in that: described tube connector and extension tube attached (7) are polyurethane high-pressure hose.
5. tube cleaning arrangement according to claim 2, is characterized in that: described atomizer is taper atomizer, and the opening angle of the taper of described taper atomizer is 90 °-120 °.
6. the tube cleaning arrangement according to any one of claim 1-5, is characterized in that: be provided with filter (4) between the liquid outlet (12) of described fluid reservoir (1) and the entrance of high pressure vane pump (10);
Described filter (4) is for being more than or equal to the particle filtering of 125 microns and being stored in described filter (4) by diameter.
7. the tube cleaning arrangement according to any one of claim 1-5, it is characterized in that: be provided with Pressure gauge (9) between the outlet of described high pressure vane pump (10) and the entrance of tapping valve (6), described Pressure gauge (9) is connected with described control device (15).
8. the tube cleaning arrangement according to any one of claim 1-5, is characterized in that: described high pressure vane pump (10) is driven by motor (11);
Described motor (11) is connected with described control device (15).
9. the tube cleaning arrangement according to any one of claim 1-5, is characterized in that: be provided with liquid-level switch (3) in described fluid reservoir (1), and described liquid-level switch (3) is connected with warning device;
When predetermined fluid level lower than described liquid-level switch (3) of the liquid level of the cleaning agent in described fluid reservoir (1), described warning device is reported to the police.
10. tube cleaning arrangement according to claim 1, is characterized in that: described fluid reservoir (1) is made up of the metal material not reacting with cleaning agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420678392.2U CN204220575U (en) | 2014-11-07 | 2014-11-07 | A kind of tube cleaning arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420678392.2U CN204220575U (en) | 2014-11-07 | 2014-11-07 | A kind of tube cleaning arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204220575U true CN204220575U (en) | 2015-03-25 |
Family
ID=52918718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420678392.2U Active CN204220575U (en) | 2014-11-07 | 2014-11-07 | A kind of tube cleaning arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204220575U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170537A (en) * | 2015-07-17 | 2015-12-23 | 中国石油天然气股份有限公司 | Scale removing method for oil field three-phase separator and equipment of scale removing method |
| CN105299725A (en) * | 2015-12-06 | 2016-02-03 | 广东万和新电气股份有限公司 | Extractor hood and water supply system and control method thereof |
| CN110340078A (en) * | 2019-06-13 | 2019-10-18 | 南京常润智能科技有限公司 | A kind of new and effective cleaning gasoline passage pipe-line equipment |
-
2014
- 2014-11-07 CN CN201420678392.2U patent/CN204220575U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170537A (en) * | 2015-07-17 | 2015-12-23 | 中国石油天然气股份有限公司 | Scale removing method for oil field three-phase separator and equipment of scale removing method |
| CN105170537B (en) * | 2015-07-17 | 2018-06-01 | 中国石油天然气股份有限公司 | A kind of oil field three phase separator snaking method and its equipment |
| CN105299725A (en) * | 2015-12-06 | 2016-02-03 | 广东万和新电气股份有限公司 | Extractor hood and water supply system and control method thereof |
| CN105299725B (en) * | 2015-12-06 | 2018-06-26 | 广东万和新电气股份有限公司 | Smoke machine and its water system and control method |
| CN110340078A (en) * | 2019-06-13 | 2019-10-18 | 南京常润智能科技有限公司 | A kind of new and effective cleaning gasoline passage pipe-line equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203508458U (en) | Air conditioner outdoor unit automatic cleaning device | |
| CN204220575U (en) | A kind of tube cleaning arrangement | |
| CN204443077U (en) | A kind of directly mixing type multipurpose is accurate fertilizer irrigation device automatically | |
| CN201823217U (en) | Automatic low-frequency routing inspection system for fire pump | |
| CN212052962U (en) | Dust falling device for excavator | |
| CN204233918U (en) | The gas sampling treating apparatus in plastic granulating workshop | |
| CN109675851A (en) | A kind of high pressure water surface washer for realizing the recycling of waste water automatic vacuum | |
| CN210304932U (en) | Secondary water supply water tank intelligence cleaning system equipment | |
| CN205478239U (en) | Human -computer interaction intelligent pump control system | |
| CN205308039U (en) | Wet dust collector | |
| CN208971613U (en) | A kind of construction site Portable Monitoring Set | |
| CN202843527U (en) | Building cleaning and cooling device | |
| CN205966662U (en) | Can remote monitoring, work progression timing warm up cleaning machine intelligently | |
| CN203791059U (en) | Cleaning and draining device in purifying box body of oil smoke purifier | |
| CN211245933U (en) | Dust purification device for construction | |
| CN208405846U (en) | A kind of foampowder tender water circuit system | |
| CN202238753U (en) | Device for flushing coolant tank of machine tool | |
| CN207446828U (en) | A kind of multiple gun constant pressure cleaning machine | |
| CN202812801U (en) | Anti-freezing water conveying device | |
| CN111013846A (en) | Auto plastic accessory belt cleaning device | |
| CN203281533U (en) | Cleaning device for transformer station equipment monitoring camera | |
| CN210251670U (en) | Mining automatic back flush atomizer | |
| CN215141341U (en) | Full-automatic online cleaning system of atomizer | |
| CN215027236U (en) | Automatic change indoor place dust fall equipment | |
| CN218358179U (en) | Anti-blocking spraying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100070 Beijing Fengtai District South Fourth Ring West Road 188 District 5 Building Patentee after: Beijing Railway Engineering Electromechanical Technology Research Institute Limited by Share Ltd Address before: 100070 Beijing Fengtai District South Fourth Ring West Road 188 District 5 Building Patentee before: Beijing Railway Institute of Mechanical and Electrical Engineering Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |