CN213262328U - Spraying system of non-contact automatic car washer - Google Patents
Spraying system of non-contact automatic car washer Download PDFInfo
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- CN213262328U CN213262328U CN202021711737.1U CN202021711737U CN213262328U CN 213262328 U CN213262328 U CN 213262328U CN 202021711737 U CN202021711737 U CN 202021711737U CN 213262328 U CN213262328 U CN 213262328U
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Abstract
The utility model discloses a contactless automatic car washer's spraying system, include: the device comprises a water storage barrel, a cleaning liquid proportioning cabinet connected with the water storage barrel, a gas pipeline and a mixed liquid pipeline connected with the cleaning liquid proportioning cabinet, a foam manufacturing assembly connected with the gas pipeline and the mixed liquid pipeline, a high-pressure water assembly connected with the water storage barrel, and an adjustable spray frame device connected with the foam manufacturing assembly and the high-pressure water assembly; the adjustable spray rack device includes: the automatic spraying device comprises a side surface rotating spray rod for cleaning the position of a side surface of an automobile, a top lifting spray rod for cleaning the position of the upper surface of the automobile, and a cross adjusting rod assembly for adjusting the spraying distance from the top lifting spray rod to the upper surface of an automobile body; this system can realize that the omnidirectional sprays, and the structure of rotatory spray lance in side, top lift spray lance can realize 360 degrees no dead angles, closely accurate spraying, washs comprehensively, and the cleanliness is high, and efficient, and the carwash is fast.
Description
Technical Field
The utility model relates to a mechanical automation field, especially a contactless automatic car washer's spraying system.
Background
Along with the continuous high-speed growth of economy in China and the continuous improvement of the living standard of people, the automobile keeping quantity is continuously increased, people also put forward new requirements on automobile washing, the automobile washing system is quick, safe and environment-friendly, and not only needs to be cleaned, but also needs to be cleaned, and the automatic automobile washing system is also quick and suitable for being transported, and mainly comprises the traditional brush washing and the non-contact washing which is started in recent years, and the non-contact washing technology has the advantages of being free of wiping and avoiding scratching automobile surface paint; simultaneously it is than higher to cleaner, spraying system's technical requirement, and spraying system on the existing market can't reach relevant technical requirement mostly, the utility model provides a such problem.
SUMMERY OF THE UTILITY MODEL
For solving prior art's is not enough, the utility model aims to provide a contactless automatic car washer's spraying system can realize that omnidirectional foam covers and clear water sprays to the realization is according to the position of motorcycle type automatically regulated top lift spray lance, and the side spray lance can keep a definite spray distance around the automobile body and wash, washs comprehensively, and the cleanliness is high, and efficient, and the carwash is fast.
In order to achieve the above object, the utility model adopts the following technical scheme:
a spray system for a contactless automatic car washer, comprising: the device comprises a water storage barrel, a cleaning liquid proportioning cabinet connected with the water storage barrel, a gas pipeline and a mixed liquid pipeline connected with the cleaning liquid proportioning cabinet, a foam manufacturing assembly connected with the gas pipeline and the mixed liquid pipeline, a high-pressure water assembly connected with the water storage barrel, and an adjustable spray frame device connected with the foam manufacturing assembly and the high-pressure water assembly; the adjustable spray rack device includes: the side surface of the cleaning automobile is provided with a rotary spray rod, the top lifting spray rod is arranged on the upper surface of the cleaning automobile, and the cross adjusting rod component is used for adjusting the spray distance from the top lifting spray rod to the upper surface of the automobile body.
The spraying system of the non-contact automatic car washer comprises a cleaning liquid proportioning cabinet: connect in the multistage centrifugal pump of water storage bucket, liquid medicine bucket, the air compressor machine, connect in the automatic proportioning system of multistage centrifugal pump, liquid medicine bucket and air compressor machine, gas pipeline, mixing liquid pipeline.
In the spraying system of the non-contact automatic car washer, the foam making assembly comprises: the pneumatic one-way valve is connected with the gas pipeline and the mixed liquid pipeline, and the foam generator is connected with the pneumatic one-way valve.
In the spraying system of the non-contact automatic car washer, the high-pressure water assembly comprises: the water pump box is arranged in the water pump box, connected with the high-pressure water pump of the water storage barrel and connected with the high-pressure water pump and the high-pressure water pipeline of the adjustable spraying frame device.
In the spraying system of the contactless automatic car washer, the side rotary spray rod comprises: the device comprises a three-way rotary water valve, a rotary motor, a planetary reducer connected to the rotary motor, an upper bearing connected to the three-way rotary water valve, an upper bearing installed on the upper bearing, the planetary reducer, an upper guide rail plate of the rotary motor, a stainless steel water pipe connected to the three-way rotary water valve, a rotary belt wheel connected between the stainless steel water pipe and the upper guide rail plate, a lower bearing installed on the lower guide rail plate, a steel pipe locking plate used for fixing the stainless steel water pipe and installed on the lower bearing, a lower guide rail plate used for installing the lower bearing, a sensor sleeved outside the stainless steel water pipe, a water pipe fixing base fixed between the stainless steel water pipe and an induction rubber strip, and a guide rail connecting plate arranged between.
In the spraying system of the contactless automatic car washer, the stainless steel water pipe comprises: the high-pressure transition pipe is arranged on the upper portion high-pressure pipe, the lower portion high-pressure pipe, the high-pressure transition pipe is arranged on the liquid distribution pipe, the high-pressure rotating spray heads are arranged on the upper portion high-pressure pipe and the lower portion high-pressure pipe, and the fan-shaped spray nozzles are arranged on the liquid distribution pipe.
The spraying system of the non-contact automatic car washer comprises a cross adjusting rod assembly and a spraying rod assembly, wherein the cross adjusting rod assembly comprises: the lifting spray rod comprises a main connecting rod, an electric push rod connected to the main connecting rod, a top guide rail connected to the main connecting rod and the electric push rod, an auxiliary connecting rod connected to the main connecting rod in a crossed and rotating mode, and a bottom guide rail connected to the auxiliary connecting rod and fixed to the top lifting spray rod.
The aforementioned spray system of contactless automatic car washer, top lift spray lance includes: the device comprises a water pipe clamping disc, a liquid distribution middle pipe and a high-pressure middle pipe which are fixed on the water pipe clamping disc, a spray rod connecting block connected with the liquid distribution middle pipe and the high-pressure middle pipe, a liquid distribution side pipe and a high-pressure side pipe which are connected with the spray rod connecting block, and an ejector rod nozzle arranged on the liquid distribution middle pipe, the high-pressure middle pipe, the liquid distribution side pipe and the high-pressure side pipe.
In the spraying system of the non-contact automatic car washer, the anti-collision mechanism is fixed on the liquid distribution middle pipe.
The utility model discloses an useful part lies in:
the automatic cleaning device comprises a side rotary spray rod for cleaning a side surface of an automobile and a top lifting spray rod for cleaning an upper surface of the automobile, wherein the side rotary spray rod surrounds an automobile body in a rotating and following mode and is always vertical to the automobile body; the top lifting spray rod adjusts the height of the spray rod through a cross adjusting rod to obtain an ideal spray distance to the upper surface of the vehicle body;
the structures of the side rotary spray rod and the top lifting spray rod can realize precise spraying at 360 degrees, without dead angles and in a short distance;
the design of the cross regulating rod component can realize the automatic regulation of the position of the top lifting spray rod according to the vehicle type;
the spraying structure can be used for cleaning the car completely, and has high cleanliness, high efficiency and high car washing speed;
the lifting of the top lifting spray rod and the partition control of the side rotating spray rod are realized through the cross adjusting rod assembly, the adaptation adjustment of different vehicle types is realized, and the energy consumption of the system is reduced while the efficient cleaning is realized.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural view of an embodiment of the side rotary spray bar of the present invention;
fig. 3 is an exploded view of an embodiment of the side rotary spray bar of the present invention;
fig. 4 is a schematic structural view of an embodiment of the cross adjustment rod assembly and top lift spray bar of the present invention;
FIG. 5 is a schematic diagram of an embodiment of the SUV cleaning mode of the present invention;
fig. 6 is a schematic structural diagram of an embodiment of the car of the present invention.
The meaning of the reference symbols in the figures:
1 water storage barrel, 2 cleaning liquid proportioning cabinet, 3 multistage centrifugal pump, 4 liquid medicine barrel, 5 automatic proportioning system, 6 air compressor, 7 gas pipeline, 8 mixed liquid pipeline, 9 water pump box, 10 high pressure water pump, 11 pneumatic one-way valve, 12 foam generator, 13 high pressure water pipeline, 14 rotary joint, 15 side rotary spray rod, 1501 three-way rotary water valve, 1502 upper bearing, 1503 upper guide rail plate, 1504 rotary belt wheel, 1505 steel pipe locking plate, 1506 lower bearing, 1507 lower guide rail plate, 1508 upper high pressure pipe, 1509 high pressure transition pipe, 1510 lower high pressure pipe, 1511 liquid distribution pipe, 1512 induction rubber strip, 1513 water pipe fixing base, 1514 guide rail connecting plate, 1515 planetary reducer, 1516 rotary motor, 16 high pressure rotary spray head, 17 fan-shaped nozzle, 18 top lifting spray rod, 19 ejector nozzle, 20 electric push rod, 21 top guide rail, 22 main connecting rod, 23 auxiliary connecting rod, 24 bottom guide rail, 25 anti-collision mechanisms, 26 liquid distribution side pipes, 27 high-pressure side pipes, 28 spray rod connecting blocks, 29 liquid distribution middle pipes, 30 high-pressure middle pipes and 31 water pipe clamping discs.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a spray system of a non-contact automatic car washer includes: the device comprises a water storage barrel 1, a cleaning liquid proportioning cabinet 2 connected to the water storage barrel 1, a gas pipeline 7 and a mixed liquid pipeline 8 connected to the cleaning liquid proportioning cabinet, a foam manufacturing assembly connected to the gas pipeline 7 and the mixed liquid pipeline 8, a high-pressure water assembly connected to the water storage barrel 1, and an adjustable spray frame device connected to the foam manufacturing assembly and the high-pressure water assembly; the adjustable spray rack device includes: the side surface of the cleaning automobile is provided with a rotary spray rod 15, the top lifting spray rod 18 is provided with a cleaning automobile upper surface, and the cross adjusting rod component is used for adjusting the spray distance from the top lifting spray rod to the automobile body upper surface. The top lifting spray rod adjusts the height of the spray rod through a cross adjusting rod to obtain an ideal spraying distance for the upper surface of the vehicle body.
Washing liquid ratio cabinet 2 includes: connect in the multistage centrifugal pump 3 of water storage bucket 1, liquid medicine bucket 4, air compressor machine 6, connect in multistage centrifugal pump 3, liquid medicine bucket 4 and air compressor machine 6, gas line 7, the automatic proportioning system 5 of mixing liquid pipeline 8.
The foam production assembly comprises: a pneumatic check valve 11 connected to the gas line 7 and the mixed liquid line 8, and a foam generator 12 connected to the pneumatic check valve 11.
The high pressure water assembly comprises: the water pump box is arranged in the water pump box, is connected with the high-pressure water pump 10 of the water storage barrel 1, and is connected with the high-pressure water pump 10 and the high-pressure water pipeline 13 of the adjustable spray rack device.
As shown in fig. 2 and 3, the side rotary spray bar 15 includes: the sensor comprises a three-way rotary water valve 1501, a rotary motor 1516, a planetary reducer 1515 connected to the rotary motor 1516, an upper bearing 1502 connected to the three-way rotary water valve 1501, an upper guide rail plate 1503 on which the upper bearing 1502, the planetary reducer 1515 and the rotary motor 1516 are mounted, a steel pipe connected to the three-way rotary water valve 1501, a rotary pulley 1504 connected between the steel pipe and the upper guide rail plate 1503, a lower bearing 1506 mounted on the lower guide rail plate 1507, a steel pipe locking plate 1505 which fixes a stainless steel water pipe and is mounted on the lower bearing 1506, a lower guide rail plate 1507 on which the lower bearing 1506 is mounted, a sensor sleeved outside the stainless steel water pipe, preferably, the sensor is an induction rubber strip 1512, a water pipe fixing base 1513 fixed between the stainless steel water pipe and the induction rubber strip 1512, and a guide rail connecting plate 1514 arranged between the upper guide rail plate. The side rods are driven to rotate accurately through the rotary servo motor, accurate following of the outer contour of the vehicle is achieved, and an efficient vehicle body cleaning function is provided. Partition cleaning: there are 11 nozzles on the side lever, measure the car height through the photoelectric sensor on the overhead traveling crane, and 9 or 11 nozzles on the optional side lever of opening realize the adaptation and the high-efficient washing to the motorcycle type. The stainless steel water pipe includes: an upper high pressure pipe 1508, a lower high pressure pipe 1510, a high pressure transition pipe 1509, a liquid distribution pipe 1511, a high pressure rotary sprayer 16 arranged on the upper high pressure pipe 1508 and the lower high pressure pipe 1510, and a fan-shaped nozzle 17 arranged on the liquid distribution pipe 1511.
Preferably, the stainless steel water pipe is three stainless steel pipes with the outer diameter of 20mm and the wall thickness of 3mm, the stainless steel pipes form a triangular shape through a spray rod fixing piece, 11 rotary nozzles are distributed on a side spray rod, the nozzles have strong hitting power within the range of 200 mm-500 mm, the cleaning effect is good, before cleaning, the vehicle height is measured through a photoelectric sensor, then control is performed through an electromagnetic valve, 9 or 11 nozzles on a side rod can be opened, adaptation and efficient cleaning of the vehicle type are achieved, as shown in fig. 6, 9 lower nozzles are all opened when a car is cleaned (the car height is not larger than 1.5 m), as shown in fig. 5, 2 upper nozzles are opened when an SUV (the car height is larger than 1.5 m) and 9 lower nozzles are opened simultaneously, namely, 11 nozzles are opened when the SUV is cleaned, 11 nozzles are all hidden in a triangular cavity, and the embedded design ensures that the structure is attractive, wherein 2 nozzles at the bottom of the tire are specially used for cleaning the tire, The hub and the pedal can be temporarily stopped at the tire position for key cleaning through program setting, and the cleaning effect is very outstanding; the other root canal is the spray pipe in the side spray lance, lay 5 6515 fan-shaped nozzle, a mixed foam for spraying the liquid medicine, water, gas three, side spray lance accessible servo motor drives and realizes 360 degrees accurate rotations, can realize through the encoder again that accurate removal about, add the overhead traveling crane can realize accurate removal around servo motor's drive, the side spray lance just has possessed the accurate translation in front and back and left and right sides two directions like this, including the side lever can 360 degrees free rotations, just realized the accurate follow to vehicle side outline, make the side lever position remain throughout within the best jet distance, make rotatory nozzle's strike cleaning performance obtain the biggest performance, ensure the cleaning performance of side automobile body.
As shown in fig. 4, the cross adjustment lever assembly includes: a main link 22, an electric push rod 20 connected to the main link 22, a top guide 21 connected to the main link 22 and the electric push rod 20, an auxiliary link 23 cross-rotatably connected to the main link 22, and a bottom guide 24 connected to the auxiliary link 23 and fixed to the top lift boom 18. The electric push rod 20 drives the end of the main link 22 to move on the top guide rail 21, so that the change of the cross angle is realized, and the top lifting spray rod 18 is driven to change the position.
As shown in fig. 4, the top lift spray bar 18 includes: the device comprises a water pipe clamping disc 31, a liquid distribution middle pipe 29 and a high-pressure middle pipe 30 which are fixed on the water pipe clamping disc 31, a spray rod connecting block 28 connected with the liquid distribution middle pipe 29 and the high-pressure middle pipe 30, a liquid distribution side pipe 26 and a high-pressure side pipe 27 connected with the spray rod connecting block 28, and ejector rod nozzles 19 arranged on the liquid distribution middle pipe 29, the high-pressure middle pipe 30, the liquid distribution side pipe 26 and the high-pressure side pipe 27. In order to prevent the cross regulating rod assembly from hitting the top lifting spray rod 18, an anti-collision mechanism 25 is fixed on the liquid distribution middle pipe 29.
The liquid spraying side pipe, the liquid spraying middle pipe, the high-pressure side pipe 27 and the high-pressure middle pipe 30 are all stainless steel pipes with the outer diameter of 20mm and the wall thickness of 3 mm; the water pipe clamping discs 31 form a triangular prism, wherein the triangular prism comprises 1 bottom pipe and two top pipes; wherein the bottom tube is provided with 11 2503 high pressure fan nozzle for spray high pressure rivers, in two push pipes, one of them push pipe sets up 6 6515 fan nozzle and sprays the liquid medicine, another push pipe sets up 5 6515 fan nozzle and sprays wax water, the system passes through photoelectric sensor and measures the car height, when washing car (be not more than 1.5 meters car height), promote top lift spray lance 18 through electric putter 20 and make the ejector pin realize the downstream, reduce fan nozzle to automobile body upper surface spray distance, as shown in fig. 6, the ejector pin does not move when washing SUV (being greater than 1.5 meters car height).
The foam spraying is designed by utilizing a Venturi principle, a multistage centrifugal pump 3 pumps water from a water storage barrel 1 and increases the water pressure to 14Bar, negative pressure is formed after the water enters a water conveying pipeline of an automatic proportioning system 5, stock solution in the barrel is sucked up by utilizing the Venturi principle to be mixed with water to form dilution liquid with a certain proportion, an air pump pressurizes the stock solution to 8Bar and then enters an air pipe, compressed air in the air pipe and the prepared dilution liquid are converged at the front end of a foam generator 12 on a crown block and then enter the foam generator 12, car washing foam is formed after the foam generator 12 passes through one path of the foam pipeline, the foam pipeline enters a side rod through a rotary joint 14, the foam is sprayed by 5 fan-shaped spray heads with models of 6515 to form 5 fan-shaped faces with 65-degree angles, the other path of the foam pipeline enters an ejector rod, and the foam is sprayed by 6 fan-shaped spray nozzles with models of 6515 to form 6 fan-shaped.
Clear water sprays and gets into high-pressure water pipeline after drawing clear water pressurization from the catch basin through high-pressure water pump 10, high-pressure water pipeline divide into two parts, the rotation part adopts high-pressure hose in the tow chain, tow chain static part adopts the stereoplasm steel pipe outward, water pipeline gets into the side spray lance through rotary joint 14 in one way, rotatory blowout of high-pressure water jet is passed through the rotatory shower nozzle that the model is 025, with the help of solenoid valve control, form 9 or 11 conical surfaces at 24 degrees angles, another way entering ejector pin of water pipeline, fan-shaped blowout of high-pressure water jet is passed through the fan-shaped nozzle that the model is 2503, form 11 sectors at 25 degrees.
The structure of the side rotary spray lance 15 and the top lifting spray lance 18 of the utility model can realize omnibearing spraying; the design of the cross regulating rod component can realize the automatic regulation of the position of the top lifting spray rod 18 according to the vehicle type; use this spray structure can wash comprehensively, and the cleanliness is high, and efficient, and the carwash is fast. Through top lift and sector nozzle 17 partition control, realize the adaptation adjustment to different motorcycle types, reduce system's energy consumption when high-efficient abluent.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a contactless automatic car washer's sprinkler system which characterized in that includes: the device comprises a water storage barrel, a cleaning liquid proportioning cabinet connected with the water storage barrel, a gas pipeline and a mixed liquid pipeline connected with the cleaning liquid proportioning cabinet, a foam manufacturing assembly connected with the gas pipeline and the mixed liquid pipeline, a high-pressure water assembly connected with the water storage barrel, and an adjustable spray frame device connected with the foam manufacturing assembly and the high-pressure water assembly; the adjustable spray rack device includes: the automatic spraying device comprises a side surface rotating spray rod for cleaning the side surface position of the automobile, a top lifting spray rod for cleaning the upper surface position of the automobile, and a cross adjusting rod assembly for adjusting the spraying distance from the top lifting spray rod to the upper surface of the automobile body.
2. The spray system of a non-contact automatic car washer according to claim 1, wherein the cleaning solution proportioning bin comprises: connect in the multistage centrifugal pump of water storage bucket, liquid medicine bucket, the air compressor machine, connect in the automatic proportioning system of multistage centrifugal pump, liquid medicine bucket and air compressor machine, gas pipeline, mixing liquid pipeline.
3. The spray system of a contactless automatic car washer according to claim 1, characterized in that the foam making assembly comprises: the pneumatic one-way valve is connected with the gas pipeline and the mixed liquid pipeline, and the foam generator is connected with the pneumatic one-way valve.
4. The spray system of a non-contact automatic car washer according to claim 1, wherein the high pressure water assembly comprises: the water pump box is arranged in the water pump box, connected with the high-pressure water pump of the water storage barrel and connected with the high-pressure water pump and the high-pressure water pipeline of the adjustable spraying frame device.
5. The spray system of a contactless automatic car washer according to claim 1, characterized in that the side rotating spray bar comprises: the device comprises a three-way rotary water valve, a rotary motor, a planetary reducer connected to the rotary motor, an upper bearing connected to the three-way rotary water valve, an upper bearing installed on the upper bearing, the planetary reducer, an upper guide rail plate of the rotary motor, a stainless steel water pipe connected to the three-way rotary water valve, a rotary belt wheel connected between the stainless steel water pipe and the upper guide rail plate, a lower bearing installed on the lower guide rail plate, a steel pipe locking plate used for fixing the stainless steel water pipe and installed on the lower bearing, a lower guide rail plate used for installing the lower bearing, a sensor sleeved outside the stainless steel water pipe, a water pipe fixing base fixed between the stainless steel water pipe and an induction rubber strip, and a guide rail connecting plate arranged between.
6. The spray system of a contactless automatic car washer according to claim 5, characterized in that the stainless steel water pipe comprises: the high-pressure transition pipe is arranged on the upper portion high-pressure pipe, the lower portion high-pressure pipe, the high-pressure transition pipe is arranged on the liquid distribution pipe, the high-pressure rotating spray heads are arranged on the upper portion high-pressure pipe and the lower portion high-pressure pipe, and the fan-shaped spray nozzles are arranged on the liquid distribution pipe.
7. The spray system of a contactless automatic car washer according to claim 1, characterized in that the cross adjusting lever assembly comprises: the lifting spray rod comprises a main connecting rod, an electric push rod connected with the main connecting rod, a top guide rail connected with the main connecting rod and the electric push rod, an auxiliary connecting rod connected with the main connecting rod in a crossed and rotating mode, and a bottom guide rail connected with the auxiliary connecting rod and fixed on the top lifting spray rod.
8. The spray system of a contactless automatic car washer according to claim 1, characterized in that the top lift boom comprises: the device comprises a water pipe clamping disc, a liquid distribution middle pipe and a high-pressure middle pipe which are fixed on the water pipe clamping disc, a spray rod connecting block connected with the liquid distribution middle pipe and the high-pressure middle pipe, a liquid distribution side pipe and a high-pressure side pipe which are connected with the spray rod connecting block, and an ejector rod nozzle arranged on the liquid distribution middle pipe, the high-pressure middle pipe, the liquid distribution side pipe and the high-pressure side pipe.
9. The system as claimed in claim 8, wherein the liquid distribution pipe is fixed with a collision-proof mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021711737.1U CN213262328U (en) | 2020-08-17 | 2020-08-17 | Spraying system of non-contact automatic car washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021711737.1U CN213262328U (en) | 2020-08-17 | 2020-08-17 | Spraying system of non-contact automatic car washer |
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| Publication Number | Publication Date |
|---|---|
| CN213262328U true CN213262328U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021711737.1U Expired - Fee Related CN213262328U (en) | 2020-08-17 | 2020-08-17 | Spraying system of non-contact automatic car washer |
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| CN (1) | CN213262328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113928272A (en) * | 2021-09-15 | 2022-01-14 | 北京魔鬼鱼科技有限公司 | Hub cleaning device |
-
2020
- 2020-08-17 CN CN202021711737.1U patent/CN213262328U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113928272A (en) * | 2021-09-15 | 2022-01-14 | 北京魔鬼鱼科技有限公司 | Hub cleaning device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210525 Termination date: 20210817 |
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| CF01 | Termination of patent right due to non-payment of annual fee |