CN111022334A - Anti-blocking sewage discharge self-sucking pump for outdoor use - Google Patents

Anti-blocking sewage discharge self-sucking pump for outdoor use Download PDF

Info

Publication number
CN111022334A
CN111022334A CN201911378816.7A CN201911378816A CN111022334A CN 111022334 A CN111022334 A CN 111022334A CN 201911378816 A CN201911378816 A CN 201911378816A CN 111022334 A CN111022334 A CN 111022334A
Authority
CN
China
Prior art keywords
box body
operational amplifier
fixedly connected
resistor
self
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.)
Pending
Application number
CN201911378816.7A
Other languages
Chinese (zh)
Inventor
吴文贵
吴凡
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.)
Jiangsu Yanbang Pump Industry Manufacturing Co ltd
Original Assignee
Jiangsu Yanbang Pump Industry 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 Jiangsu Yanbang Pump Industry Manufacturing Co ltd filed Critical Jiangsu Yanbang Pump Industry Manufacturing Co ltd
Priority to CN201911378816.7A priority Critical patent/CN111022334A/en
Publication of CN111022334A publication Critical patent/CN111022334A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/02—Self-priming pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0088—Testing machines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention provides an outdoor anti-blocking pollution discharge self-priming pump, which comprises: the self-priming pump comprises a self-priming pump body and a fixed seat, wherein the self-priming pump body is fixedly connected to the upper end of the fixed seat; the filtering device is fixedly connected to the upper end of the fixed seat, and a fluid outlet of the filtering device is connected with a fluid pump inlet of the self-priming pump body through a connecting pipeline; and the impurity treatment device is connected with the filtering device and is used for treating and filtering impurities. According to the self-priming pump, after the sewage is filtered by the filtering device, the filtered sewage is pumped into the fluid pump inlet of the self-priming pump body, so that the self-priming pump body is prevented from being blocked by impurity dirt contained in the sewage; and the trash processing device is arranged to process the trash filtered in the filtering device, so that the situation that the filtering device cannot be used due to the fact that the trash is accumulated in the filtering device for a long time is avoided, and the continuous use of the self-sucking pump is influenced.

Description

Anti-blocking sewage discharge self-sucking pump for outdoor use
Technical Field
The invention relates to the technical field of pumps, in particular to an outdoor anti-blocking sewage discharging self-sucking pump.
Background
The self-priming pump belongs to a self-priming centrifugal pump and has the advantages of compact structure, convenient operation, stable operation, easy maintenance, high efficiency, long service life, stronger self-priming capability and the like. The pipeline does not need to be provided with a bottom valve, and only quantitative liquid guiding is required to be ensured to be stored in the pump body before work. The self-priming pump has the working principle that before the water pump is started, the pump shell is filled with water (or the water is stored in the pump shell). After the impeller is started, the impeller rotates at a high speed to enable water in the impeller channel to flow to the volute, at the moment, the inlet forms vacuum, the water inlet check valve is opened, and air in the suction pipe enters the pump and reaches the outer edge through the impeller channel. Present outdoor blowdown self priming pump of using, for preventing that the self priming pump from blockking up, fluid (sewage) pump entry at the self priming pump body generally sets up the filter screen, however current blowdown self priming pump does not set up miscellaneous dirty processing apparatus, and miscellaneous dirty is piled up for a long time, influences the continuous use of self priming pump.
Disclosure of Invention
The invention provides an outdoor anti-blocking sewage discharge self-sucking pump, which is used for solving the problem that the continuous use of the self-sucking pump is influenced because the conventional self-sucking pump is not provided with a trash treatment device and trash is accumulated for a long time.
An outdoor use prevents blockking up blowdown self priming pump includes:
the self-priming pump comprises a self-priming pump body and a fixed seat, wherein the self-priming pump body is fixedly connected to the upper end of the fixed seat;
the filtering device is fixedly connected to the upper end of the fixed seat, and a fluid outlet of the filtering device is connected with a fluid pump inlet of the self-priming pump body through a connecting pipeline;
and the impurity treatment device is connected with the filtering device and is used for treating and filtering impurities.
Preferably, the filtering device comprises:
the device comprises a first box body, a second box body and a third box body, wherein a fluid inlet and a fluid outlet are respectively arranged on two sides of the first box body, and a sewage draining outlet is arranged at the bottom end of the first box body;
the upper end of the first fixed bracket is fixedly connected with the bottom end of the first box body, the lower end of the first fixed bracket is fixedly connected with the upper end of the fixed seat,
the filter screen is arranged in the first box body, and the peripheral side walls of the first filter screen are fixedly connected with the inner walls of the upper end and the lower end of the first box body and the inner walls of the two sides perpendicular to the fluid conveying direction in the first box body respectively.
Preferably, the filter screen is obliquely arranged, and the height of the filter screen is gradually reduced along the fluid conveying direction in the first box body;
the bottom end of the first box body gradually reduces from the fluid inlet to the sewage outlet.
Preferably, the trash processing device includes:
the second box body is fixedly connected to a sewage draining port at the lower end of the first box body, the sewage draining port is communicated with the second box body, and the lower end of the second box body is fixedly connected with the upper end of the fixed seat through a second fixed support;
the first driving motor is fixedly connected to the lower end of the first box body, and an output shaft of the first driving motor is arranged downwards vertically;
the first rotating shaft is horizontally arranged at the upper part in the second box body, two ends of the first rotating shaft are respectively and rotatably connected with the inner walls of two sides of the second box body, and one end of the first rotating shaft, which is close to the first driving motor, penetrates through the second box body;
the first bevel gear is fixedly sleeved on an output shaft of the first driving motor;
the second bevel gear is fixedly connected to one end, located outside the second box body, of the first rotating shaft, and the first bevel gear and the second bevel gear are in meshing transmission;
the first crushing blades are fixedly connected to the outer side wall of the part, located in the second box, of the first rotating shaft;
and the blow-off pipe is fixedly connected to one side wall of the second box body, which is far away from the first driving motor, and is positioned at the lower end of the first rotating shaft.
Preferably, the trash processing device includes:
the third fixing support is fixedly connected to the top end of the first box body;
the second rotating shaft is vertically arranged in the first box body, the upper part of the second rotating shaft is rotatably connected with the top end of the first box body, the upper end of the second rotating shaft penetrates through the upper part of the top end of the first box body, and the lower end of the second rotating shaft is positioned in the sewage discharge port;
the second driving motor is fixedly connected to the third fixing support, an output shaft of the second driving motor is vertically arranged, and the output shaft of the second driving motor is fixedly connected with the upper end of the second rotating shaft;
the second crushing blades are fixedly connected to the circumferential side wall at the lower end of the second rotating shaft;
the second electric telescopic rod is arranged parallel to the filter screen, the telescopic end of the second electric telescopic rod is arranged downwards, the upper end of the fixed end of the second electric telescopic rod is fixedly connected to a third fixed support, and the lower end of the fixed end of the second electric telescopic rod is hermetically connected with the upper end of the first box body;
a second through hole parallel to the filter screen is formed in the upper end of the first box body, the telescopic end of the second electric telescopic rod is located in the second through hole, and the diameter of the telescopic end of the second electric telescopic rod is equal to that of the horizontal through hole;
the brush is positioned at the inner top end of the first box body and on one side of the filter screen close to the fluid inlet, the upper end of the brush is fixedly connected with the lower end of the telescopic end of the second electric telescopic rod, and the cross section of the brush is larger than the diameter of the telescopic end of the second electric telescopic rod;
and the blow-off pipe is fixedly connected with one side wall of the second box body and is positioned below the second rotating shaft.
Preferably, the bristle end of the brush is arranged on one side of the brush close to the filter screen, and the bristle end of the brush is in contact with the filter screen.
Preferably, the trash processing device further includes:
the first fixing block is fixedly connected to the upper end of the fixing seat and is positioned on one side, close to the blow-off pipe, of the second box body, and a horizontal through hole is formed in one side wall, close to the first fixing block, of the second box body;
the lower end of the fixed end of the first electric telescopic rod is fixedly connected to the upper end of the first fixed block through a second fixed block, one side surface, close to the telescopic end, of the fixed end of the first electric telescopic rod is hermetically connected with the outer wall, close to the first fixed block, of one side of the second box body, the telescopic end of the first electric telescopic rod extends into the second box body from the horizontal through hole, and the diameter of the telescopic end of the first electric telescopic rod is equal to that of the horizontal through hole;
the scraper blade is vertically arranged in the second box body and fixedly connected with the telescopic end of the first electric telescopic rod, the rubber layer is wrapped at the lower end of the scraper blade, and the longitudinal section of the scraper blade is larger than the diameter of the telescopic end of the first electric telescopic rod.
Preferably, a fluid inlet of the first box body is provided with a flow rate sensor;
the trash processing device includes: the trash processing driving device is electrically connected with the controller and is controlled and driven by the controller, and the flow velocity sensor is connected with the controller through a second signal processing circuit;
the induction sensor is used for inducing the working parameters of the trash processing driving device and is connected with the controller through the first signal processing circuit;
the first signal processing circuit includes:
one end of the first capacitor is connected with the induction sensor;
the non-inverting input end of the first operational amplifier is connected with the other end of the first capacitor;
one end of the sixth resistor is connected with the non-inverting input end of the first operational amplifier, and the other end of the sixth resistor is grounded;
one end of the fourth capacitor is connected with the inverting input end of the first operational amplifier, and the other end of the fourth capacitor is grounded;
one end of the second resistor is connected with the inverting input end of the first operational amplifier, and the other end of the second resistor is connected with the output end of the first operational amplifier;
a second capacitor connected in parallel with the second resistor;
one end of the third resistor is connected with the output end of the first operational amplifier, and the other end of the third resistor is connected with one end of the fourth resistor;
the non-inverting input end of the second operational amplifier is connected with the other end of the fourth resistor, the inverting input end of the second operational amplifier is connected with the output end, and the output end of the second operational amplifier is connected with the controller;
one end of the first resistor is connected with the non-inverting input end of the second operational amplifier, and the other end of the first resistor is grounded;
the non-inverting input end of the second operational amplifier is connected with the output end of the second operational amplifier;
one end of the fifth resistor is connected with the output end of the second operational amplifier, and the other end of the fifth resistor is grounded;
the cathode of the Zener diode is connected with the output end of the second operational amplifier, and the anode of the Zener diode is grounded;
preferably, the second signal processing circuit includes:
the inverting input end of the fifth operational amplifier is connected with the flow velocity sensor, and the inverting input end of the fifth operational amplifier is connected with the output end;
one end of the tenth resistor is connected with the output end of the fifth operational amplifier;
the inverting input end of the fourth operational amplifier is connected with the other end of the tenth resistor, and the non-inverting input end of the fourth operational amplifier is grounded;
one end of the eleventh resistor is connected with the inverting input end of the fourth operational amplifier, and the other end of the eleventh resistor is connected with the second power supply;
one end of the ninth resistor is connected with the inverting input end of the fourth operational amplifier, and the other end of the ninth resistor is connected with the output end of the fourth operational amplifier;
the inverting input end of the third operational amplifier is connected with the output end of the fourth operational amplifier through an eighth resistor, the non-inverting input end of the third operational amplifier is grounded, and the output end of the third operational amplifier is connected with the controller;
one end of the seventh resistor is connected with the inverting input end of the fourth operational amplifier, and the other end of the seventh resistor is connected with the output end of the fourth operational amplifier;
the anode of the first crystal diode is grounded, and the cathode of the first crystal diode is connected with the output end of the fourth operational amplifier;
and the anode of the second crystal diode is connected with the output end of the fourth operational amplifier, and the cathode of the second crystal diode is connected with a second power supply.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic structural diagram of a filtering apparatus and a trash processing apparatus according to an embodiment of the present invention.
FIG. 3 is a schematic structural diagram of another embodiment of the filtering device and the trash processing device of the present invention.
Fig. 4 is a circuit diagram of a first signal processing circuit and a second signal processing circuit according to the present invention.
In the figure: 1. a self-priming pump body; 12. a fluid pump inlet; 2. a fixed seat; 3. a filtration device; 31. a first case; 32. a fluid inlet; 33. a fluid outlet; 34. a filter screen; 35. a sewage draining outlet; 4. a trash processing device; 41. a second case; 42. a first drive motor; 43. a first rotating shaft; 44. a first bevel gear; 45. a second bevel gear; 46. a first crushing blade; 47. a blow-off pipe; 48. a third fixed bracket; 49. a first fixed bracket; 410. a second fixed bracket; 411. a second rotating shaft; 412. a second crushing blade; 413. a second electric telescopic rod; 414. a second through hole; 415. a brush; 416. a first fixed block; 417. a first electric telescopic rod; 418. a second fixed block; 419. a squeegee; 420. a horizontal through hole; 421. a second drive motor; 5. connecting a pipeline; r1, a first resistor; r2, a second resistor; r3, third resistor; r4, fourth resistor; r5, fifth resistor; r6, sixth resistor; r7, seventh resistor; r8, eighth resistor; r9, ninth resistor; r10, tenth resistor; r11, eleventh resistor; c1, a first capacitance; c2, a second capacitor; c3, a third capacitance; c4, a fourth capacitance; d1, a first crystal diode; d2, a second crystal diode; d3, zener diode; u1, a first operational amplifier; u2, a second operational amplifier; u3, third operational amplifier; u4, fourth operational amplifier; u5, fifth operational amplifier; v2, second power supply.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
The embodiment of the invention provides an outdoor anti-blocking pollution discharge self-sucking pump, which comprises the following components as shown in figures 1-3:
the self-priming pump comprises a self-priming pump body 1 and a fixed seat 2, wherein the self-priming pump body 1 is fixedly connected to the upper end of the fixed seat 2; the self priming pump body is current self priming pump body to and the theory of operation of self priming pump body is prior art, no longer gives unnecessary details here.
The filtering device 3 is fixedly connected to the upper end of the fixed seat 2, and a fluid outlet 33 of the filtering device 3 is connected with a fluid pump inlet 12 of the self-priming pump body 1 through a connecting pipeline 5;
and the trash processing device 4 is connected with the filtering device 3 and is used for processing and filtering trash.
The working principle and the beneficial effects of the technical scheme are as follows: the filtering device 3 is arranged, the fluid outlet 33 of the filtering device 3 is connected with the fluid pump inlet 12 of the self-priming pump body 1 through the connecting pipeline 5, sewage is filtered through the filtering device 3, and then the filtered sewage is pumped into the fluid pump inlet 12 of the self-priming pump body 1, so that the self-priming pump body is prevented from being blocked by sundry dirt contained in the sewage;
the trash processing device is arranged to process trash filtered in the filtering device, so that the situation that the filtering device cannot be used due to the fact that the trash is accumulated in the filtering device for a long time, and the continuous use of the self-sucking pump is influenced is avoided, namely the trash processing device is arranged to be more convenient to use;
in addition, filter equipment and miscellaneous dirty processing apparatus are the independent structure with the self priming pump body, avoid setting up filter equipment in the self priming pump body, cause self priming pump body inner structure complicated, and set up at this external more convenient miscellaneous dirty of handling of self priming pump.
In one embodiment, the filtering device 3 comprises:
the device comprises a first box body 31, a fluid inlet 32 and a fluid outlet 33 are respectively arranged at two sides of the first box body 31, and a sewage draining outlet is arranged at the bottom end of the first box body 31;
the upper end of the first fixed bracket 49 is fixedly connected with the bottom end of the first box body 31, the lower end of the first fixed bracket 49 is fixedly connected with the upper end of the fixed seat 2,
the filter screen 34 is disposed in the first box 31, the peripheral side walls of the first filter screen 34 are respectively fixedly connected with the upper and lower inner walls of the first box 31 and the inner walls of the two sides of the fluid conveying direction in the first box 31 perpendicular to the first box (as shown in fig. 1, the fluid conveying direction is a left-right direction, and the two side walls are front and rear side walls), and the above arrangement of the filter screen makes the sewage entering the first box from the fluid inlet reach the fluid outlet only by passing through the filter screen.
The working principle and the beneficial effects of the technical scheme are as follows: the filtering device has the advantage of simple structure.
In one embodiment, as shown in fig. 1 to 3, the filter screen 34 is disposed obliquely and gradually decreases in height along the fluid conveying direction in the first tank 31;
the bottom end of the first tank 31 is gradually lowered from the fluid inlet 32 to the drain outlet.
The working principle and the beneficial effects of the technical scheme are as follows: the filter screen 34 is obliquely arranged, and the height of the filter screen is gradually reduced along the conveying direction of the fluid in the first box body 31, so that the dirt on the filter screen can fall off conveniently and can be discharged from a sewage outlet; the height of the bottom end of the first box body 31 from the fluid inlet 32 to the sewage draining exit 35 is gradually reduced, so that the impurity and sewage can conveniently fall from the sewage draining exit; the arrangement is more convenient for the invention to treat sundry dirt and is more convenient for the self-sucking pump of the invention to be continuously used.
In one embodiment, as shown in FIGS. 1-3, the trash processing device 4 includes:
the second box body 41 is fixedly connected to a sewage draining port at the lower end of the first box body 31, the sewage draining port is communicated with the second box body 41, and the lower end of the second box body 41 is fixedly connected with the upper end of the fixed seat 2 through a second fixed support 410;
the first driving motor 42 is fixedly connected to the lower end of the first box 31, and an output shaft of the first driving motor 42 is arranged vertically downwards;
the first rotating shaft 43 is horizontally arranged at the upper part in the second box 41, two ends of the first rotating shaft 43 are respectively and rotatably connected with the inner walls of two sides of the second box 41, and one end of the first rotating shaft 43 close to the first driving motor 42 penetrates through the second box 41;
a first bevel gear 44 fixedly sleeved on an output shaft of the first driving motor 42;
the second bevel gear 45 is fixedly connected to one end of the first rotating shaft 43, which is positioned outside the second box body 41, and the first bevel gear 44 and the second bevel gear 45 are in meshing transmission;
a plurality of first crushing blades 46 which are fixedly connected to the outer side wall of the part of the first rotating shaft 43 positioned in the second box 41;
and the sewage discharge pipe 47 is fixedly connected to one side wall of the second box 41 far away from the first driving motor 42 and is positioned at the lower end of the first rotating shaft 43.
The working principle and the beneficial effects of the technical scheme are as follows: the first driving motor is started, the first rotating shaft is driven to rotate through the first bevel gear and the second bevel gear, the miscellaneous dirt in the first box body enters the second box body along with the sewage through the miscellaneous dirt opening in the upper end of the second box body, the miscellaneous dirt is crushed by the first crushing blade on the first rotating shaft, the miscellaneous dirt is more conveniently discharged from the sewage discharge pipe along with the sewage, and the accumulation of the miscellaneous dirt is avoided; the device is driven by the driving motor to automatically treat the trash, so that the trash can be treated more conveniently, the trash can be continuously and automatically treated in the working process of the self-sucking pump, and the self-sucking pump can be used continuously and conveniently.
In one embodiment, as shown in FIGS. 1-3, the trash processing device 4 includes:
a third fixing bracket 48 fixedly connected to the top end of the first box 31;
the second rotating shaft 411 is vertically arranged in the first box body 31, the upper part of the second rotating shaft 411 is rotatably connected with the top end of the first box body 31, the upper end of the second rotating shaft 411 penetrates through the top end of the first box body 31, and the lower end of the second rotating shaft 411 is positioned in the sewage draining port;
a second driving motor 421 fixedly connected to the third fixing bracket 48, wherein an output shaft of the second driving motor 421 is vertically arranged, and the output shaft of the second driving motor 421 is fixedly connected (for example, fixedly connected through a coupling) with the upper end of the second rotating shaft 411;
a plurality of second pulverizing blades 412 fixedly connected to the lower circumferential side wall of the second rotating shaft 411;
the second electric telescopic rod 413 is arranged in parallel to the filter screen 34, the telescopic end of the second electric telescopic rod 413 is arranged downwards, the upper end of the fixed end of the second electric telescopic rod 413 is fixedly connected to the third fixed support 48, and the lower end of the fixed end of the second electric telescopic rod 413 is hermetically connected with the upper end of the first box 31;
a second through hole 414 parallel to the filter screen is formed in the upper end of the first box 31, the telescopic end of the second electric telescopic rod 413 is located in the second through hole 414, and the diameter of the telescopic end of the second electric telescopic rod 413 is equal to that of the horizontal through hole 420;
the brush 415 is positioned at the top end in the first box 31 and at one side of the filter screen 34 close to the fluid inlet 32, the upper end of the brush 415 is fixedly connected with the lower end of the telescopic end of the second electric telescopic rod 413, and the cross section of the brush is larger than the diameter of the telescopic end of the second electric telescopic rod;
and the sewage draining pipe 47 is fixedly connected to one side wall of the second box 41 and is positioned below the second rotating shaft 411.
The working principle and the beneficial effects of the technical scheme are as follows: the second driving motor is started to drive the second rotating shaft to rotate, the miscellaneous dirt in the first box body enters the second box body along with the sewage through the miscellaneous dirt opening at the upper end of the second box body, the miscellaneous dirt is crushed by the second crushing blade on the second rotating shaft, the miscellaneous dirt is more conveniently discharged from the sewage discharge pipe along with the sewage, and the accumulation of the miscellaneous dirt is avoided;
when the filter screen needs to be cleaned (preferably, the second electric telescopic rod can be electrically connected with the controller, the controller controls the second electric telescopic rod to start every first preset time interval through the controller, and the second electric telescopic rod stretches up and down for a second preset time interval to drive the brush to move up and down), the second electric telescopic rod is driven to drive the brush to move up and down to clean the filter screen, so that the filter screen is prevented from being blocked to influence the water passing, and the work of the self-priming pump is further influenced;
just the stiff end lower extreme of second electric telescopic handle 413 with first box 31 upper end sealing connection, only the flexible end of second electric telescopic handle moves in the second through-hole, the flexible end diameter of second electric telescopic handle 413 with horizontal through-hole 420 diameter equals, brush 415 is located top in first box 31 for the flexible end of second electric telescopic handle has one section all the time in the second through-hole, avoids sewage to get into the second through-hole and discharges from the second through-hole, and the sealed effect of above-mentioned structure is better.
The device automatically processes the trash through the driving of the driving motor and the driving of the electric telescopic rod, so that the trash can be more conveniently processed, the trash can be continuously and automatically processed in the working process of the self-priming pump, and the self-priming pump can be more conveniently and continuously used.
In one embodiment, the bristle end of the brush 415 is disposed on the side of the brush 415 near the filter 34, and the bristle end of the brush 415 contacts the filter 34.
The working principle and the beneficial effects of the technical scheme are as follows: the brush 415 has a bristle end disposed on a side of the brush 415 close to the filter screen 34, and the brush 415 has a bristle end contacting the filter screen 34, so as to facilitate cleaning of the filter screen by the brush.
In one embodiment, as shown in fig. 1-3, the trash processing device 4 further comprises:
the first fixing block 416 is fixedly connected to the upper end of the fixing seat 2, and is positioned on one side of the second box 41 close to the sewage discharge pipe 47, and a horizontal through hole 420 is formed in one side wall of the second box 41 close to the first fixing block 416;
the lower end of the fixed end of the first electric telescopic rod 417 is fixedly connected to the upper end of the first fixed block 416 through the second fixed block 418, the surface of one side, close to the telescopic end, of the fixed end of the first electric telescopic rod 417 is hermetically connected with the outer wall of one side, close to the first fixed block 416, of the second box 41, the telescopic end of the first electric telescopic rod 417 extends into the second box 41 from the horizontal through hole 420, and the diameter of the telescopic end of the first electric telescopic rod 417 is equal to the diameter of the horizontal through hole 420;
and the scraper 419 is vertically arranged in the second box body 41, the scraper 419 is fixedly connected with the telescopic end of the first electric telescopic rod 417, the lower end of the scraper 419 is wrapped by a rubber layer, and the longitudinal section of the scraper is larger than the diameter of the telescopic end of the first electric telescopic rod.
The principle and the beneficial effects of the technical scheme are as follows: when the long-time deposited trash at the bottom end in the second box body needs to be scraped (preferably, the first electric telescopic rod can be electrically connected with the controller, the controller is arranged every third preset time length through the controller to control the first electric telescopic rod to start, and the first electric telescopic rod stretches left and right for a fourth preset time length to drive the scraper to move left and right), the first electric telescopic rod is driven to drive the scraper to move left and right to scrape the long-time deposited trash at the bottom end in the second box body, so that the influence of the long-time deposited trash at the bottom end in the second box body on water passing and polluting the second box body is avoided;
and the fixed end of the first electric telescopic rod 417 is close to one side surface of the telescopic end and the outer wall of one side of the second box 41 close to the first fixed block 416 are in sealing connection, only the telescopic end of the first electric telescopic rod moves in the horizontal through hole, the diameter of the telescopic end of the first electric telescopic rod 417 is equal to that of the horizontal through hole 420, and the scraper is located in the first box 31, so that one section of the telescopic end of the first electric telescopic rod is always in the horizontal through hole, sewage is prevented from entering the horizontal through hole and being discharged from the horizontal through hole, and the sealing effect of the structure is better.
The device is driven by the electric telescopic rod to automatically treat the trash, so that the trash can be treated more conveniently, the trash can be continuously and automatically treated in the working process of the self-sucking pump, and the self-sucking pump can be used continuously and conveniently.
In one embodiment, as shown in figure 4,
the fluid inlet 32 of the first box 31 is provided with a flow rate sensor (which can be arranged in the first box close to the fluid inlet);
the trash processing device 4 includes: the device comprises a trash processing driving device (such as the first driving motor, the second driving motor, the first electric telescopic rod and the second electric telescopic rod), wherein the trash processing driving device is electrically connected with a controller and is controlled and driven by the controller, and the flow velocity sensor is connected with the controller through a second signal processing circuit;
the induction sensor is used for inducing the working parameters of the trash processing driving device and is connected with the controller through the first signal processing circuit;
the first signal processing circuit includes:
one end of the first capacitor C1 is connected with the induction sensor; preferably, the induction sensor motor speed sensor, or may be a current transformer or a hall sensor or a sampling resistor induction current, and the controller converts the current into the corresponding driving motor speed.
The non-inverting input end of the first operational amplifier U1 is connected with the other end of the first capacitor C1;
one end of the sixth resistor R6 is connected with the non-inverting input end of the first operational amplifier U1, and the other end of the sixth resistor R6 is grounded;
one end of the fourth capacitor C4 is connected with the inverting input end of the first operational amplifier U1, and the other end of the fourth capacitor C4 is grounded;
a second resistor R2, one end of which is connected with the inverting input end of the first operational amplifier U1, and the other end of which is connected with the output end of the first operational amplifier U1;
a second capacitor C2 connected in parallel with the second resistor R2;
one end of a third resistor R3 is connected with the output end of the first operational amplifier U1, and the other end of the third resistor R3 is connected with one end of a fourth resistor R4;
a non-inverting input end of the second operational amplifier U2 is connected with the other end of the fourth resistor R4, an inverting input end of the second operational amplifier U2 is connected with an output end, and an output end of the second operational amplifier U2 is connected with the controller;
one end of the first resistor R1 is connected with the non-inverting input end of the second operational amplifier U2, and the other end of the first resistor R1 is grounded;
a third capacitor C3, one end of which is connected with the non-inverting input end of the second operational amplifier U2, and the other end of which is connected with the output end of the second operational amplifier U2;
one end of the fifth resistor R5 is connected with the output end of the second operational amplifier U2, and the other end is grounded;
the cathode of the Zener diode D3 is connected with the output end of the second operational amplifier U2, and the anode of the Zener diode D3 is grounded;
the second signal processing circuit includes:
the inverting input end of the fifth operational amplifier is connected with the flow velocity sensor, and the inverting input end of the fifth operational amplifier is connected with the output end;
a tenth resistor R10, one end of which is connected to the output end of the fifth operational amplifier;
the inverting input end of the fourth operational amplifier U4 is connected with the other end of the tenth resistor R10, and the non-inverting input end of the fourth operational amplifier U4 is grounded; preferably, as shown in fig. 4, the two pins of the U4 are respectively connected to a + V1 power supply (e.g., +15V) and a-V1 power supply (e.g., -15V);
an eleventh resistor R11, one end of which is connected to the inverting input terminal of the fourth operational amplifier U4, and the other end of which is connected to the second power supply V2;
a ninth resistor R9, one end of which is connected to the inverting input terminal of the fourth operational amplifier U4 and the other end of which is connected to the output terminal of the fourth operational amplifier U4;
the inverting input end of the third operational amplifier U3 is connected with the output end of the fourth operational amplifier U4 through an eighth resistor R8, the non-inverting input end of the third operational amplifier U3 is grounded, and the output end of the third operational amplifier U3 is connected with the controller;
one end of the seventh resistor R7 is connected with the inverting input end of the fourth operational amplifier U4, and the other end of the seventh resistor R7 is connected with the output end of the fourth operational amplifier U4;
the anode of the first crystal diode D1 is grounded, and the cathode of the first crystal diode D1 is connected with the output end of the fourth operational amplifier U4;
and the anode of the second crystal diode D2 is connected with the output end of the fourth operational amplifier U4, and the cathode of the second crystal diode D2 is connected with a second power supply V2.
The working principle and the beneficial effects of the technical scheme are as follows:
the flow velocity sensor is used for detecting water flow velocity information at the fluid inlet and transmitting the water flow velocity information to the controller;
the trash processing driving device is electrically connected with the controller and is controlled and driven by the controller (the first driving motor, the second driving motor, the first electric telescopic rod and the second electric telescopic rod are all electrically connected with the controller and are controlled to work by the controller);
the induction sensor is used for inducing working parameters of the trash processing driving device, such as the rotating speed of the first driving motor or the second driving electric connecting motor or the time length parameter of the starting and stopping interval of the first electric telescopic rod or the second electric telescopic rod;
the controller automatically adjusts the operation of the trash processing device according to the water flow rate information at the fluid inlet and the real-time working parameters of the trash processing driving device, so that the processing speed (such as the rotating speed of the driving motor and the starting time interval of the first electric telescopic rod and the second electric telescopic rod) of the trash processing device is adaptive to the water flow rate, the trash processing efficiency is improved, and the trash processing effect is improved.
In the first signal processing circuit, C1 is used for filtering signals, performing signal amplification and filtering through U1, R2, R6, C4, U2, R3, R4, R1 and C3, and performing amplitude limiting on the signals through D3 and R5; in the second signal processing circuit, the signal is stably amplified in multiple stages through a circuit composed of U5, U4 and U3; the arrangement of the first signal processing circuit and the second signal processing circuit is more convenient for the operation of the contamination processing device of the invention.
The arrangement controls the trash processing driving device to automatically process trash through the controller, so that the trash processing device is more convenient to process trash and is more convenient for the continuous use of the self-sucking pump.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (9)

1. The utility model provides an outdoor use prevents blockking up blowdown self priming pump which characterized in that includes:
the self-priming pump comprises a self-priming pump body (1) and a fixed seat (2), wherein the self-priming pump body (1) is fixedly connected to the upper end of the fixed seat (2);
the filtering device (3) is fixedly connected to the upper end of the fixing seat (2), and a fluid outlet (33) of the filtering device (3) is connected with a fluid pump inlet (12) of the self-priming pump body (1) through a connecting pipeline (5);
and the trash processing device (4) is connected with the filtering device (3) and is used for processing and filtering trash.
2. An outdoor use anti-clogging pollution discharge self-priming pump according to claim 1, wherein said filtering device (3) comprises:
the device comprises a first box body (31), wherein a fluid inlet (32) and a fluid outlet (33) are respectively arranged on two sides of the first box body (31), and a sewage draining outlet (35) is arranged at the bottom end of the first box body (31);
the upper end of the first fixed bracket (49) is fixedly connected with the bottom end of the first box body (31), the lower end of the first fixed bracket (49) is fixedly connected with the upper end of the fixed seat (2),
the filter screen (34) is arranged in the first box body (31), and the peripheral side walls of the first filter screen (34) are fixedly connected with the inner walls of the upper end and the lower end of the first box body (31) and the inner walls of the two sides of the first box body (31) perpendicular to the fluid conveying direction.
3. The outdoor anti-clogging pollution discharge self-priming pump according to claim 2, wherein,
the filter screen (34) is obliquely arranged, and the height of the filter screen is gradually reduced along the fluid conveying direction in the first box body (31);
the bottom end of the first box body (31) is gradually reduced in height from the fluid inlet (32) to the sewage draining outlet (35).
4. An outdoor use anti-clogging pollution discharge self-priming pump according to claim 2, wherein said trash disposal device (4) comprises:
the second box body (41) is fixedly connected to a sewage draining outlet (35) at the lower end of the first box body (31), the sewage draining outlet (35) is communicated with the second box body (41), and the lower end of the second box body (41) is fixedly connected with the upper end of the fixed seat (2) through a second fixed support (410);
the first driving motor (42) is fixedly connected to the lower end of the first box body (31), and an output shaft of the first driving motor (42) is arranged downwards vertically;
the first rotating shaft (43) is horizontally arranged at the upper part in the second box body (41), two ends of the first rotating shaft (43) are respectively and rotatably connected with the inner walls of two sides of the second box body (41), and one end, close to the first driving motor (42), of the first rotating shaft (43) penetrates through the second box body (41);
a first bevel gear (44) fixedly sleeved on an output shaft of the first driving motor (42);
the second bevel gear (45) is fixedly connected to one end, located outside the second box body (41), of the first rotating shaft (43), and the first bevel gear (44) and the second bevel gear (45) are in meshing transmission;
a plurality of first crushing blades (46) which are fixedly connected to the outer side wall of the part, located in the second box body (41), of the first rotating shaft (43);
and the sewage discharge pipe (47) is fixedly connected to one side wall of the second box body (41) far away from the first driving motor (42) and is positioned at the lower end of the first rotating shaft (43).
5. An outdoor use anti-clogging pollution discharge self-priming pump according to claim 2, wherein said trash disposal device (4) comprises:
the third fixed bracket (48) is fixedly connected to the top end of the first box body (31);
the second rotating shaft (411) is vertically arranged in the first box body (31), the upper part of the second rotating shaft (411) is rotatably connected with the top end of the first box body (31), the upper end of the second rotating shaft (411) penetrates above the top end of the first box body (31), and the lower end of the second rotating shaft (411) is positioned in the sewage draining outlet (35);
the second driving motor (421) is fixedly connected to the third fixing support (48), an output shaft of the second driving motor (421) is vertically arranged, and the output shaft of the second driving motor (421) is fixedly connected with the upper end of the second rotating shaft (411);
a plurality of second crushing blades (412) which are fixedly connected to the peripheral side wall of the lower end of the second rotating shaft (411);
the second electric telescopic rod (413) is arranged in parallel to the filter screen (34), the telescopic end of the second electric telescopic rod (413) is arranged downwards, the upper end of the fixed end of the second electric telescopic rod (413) is fixedly connected to a third fixed support (48), and the lower end of the fixed end of the second electric telescopic rod (413) is hermetically connected with the upper end of the first box body (31);
a second through hole (414) parallel to the filter screen is formed in the upper end of the first box body (31), the telescopic end of the second electric telescopic rod (413) is located in the second through hole (414), and the diameter of the telescopic end of the second electric telescopic rod (413) is equal to that of the horizontal through hole (420);
the brush (415) is positioned at the top end in the first box body (31) and on one side, close to the fluid inlet (32), of the filter screen (34), the upper end of the brush (415) is fixedly connected with the lower end of the telescopic end of the second electric telescopic rod (413), and the cross section of the brush (415) is larger than the diameter of the telescopic end of the second electric telescopic rod (413);
and the sewage discharge pipe (47) is fixedly connected to one side wall of the second box body (41) and is positioned below the second rotating shaft (411).
6. The outdoor use anti-clogging pollution discharge self-priming pump according to claim 5, wherein,
the bristle end of the brush (415) is arranged on one side, close to the filter screen (34), of the brush (415), and the bristle end of the brush (415) is in contact with the filter screen (34).
7. An outdoor use anti-clogging pollution discharge self-priming pump according to any one of claims 4 to 6,
the trash processing device (4) further comprises:
the first fixing block (416) is fixedly connected to the upper end of the fixing seat (2) and is positioned on one side, close to the sewage discharge pipe (47), of the second box body (41), and a horizontal through hole (420) is formed in one side wall, close to the first fixing block (416), of the second box body (41);
the lower end of the fixed end of the first electric telescopic rod (417) is fixedly connected to the upper end of the first fixed block (416) through the second fixed block (418), the surface of one side, close to the telescopic end, of the fixed end of the first electric telescopic rod (417) is hermetically connected with the outer wall of one side, close to the first fixed block (416), of the second box body (41), the telescopic end of the first electric telescopic rod (417) extends into the second box body (41) from the horizontal through hole (420), and the diameter of the telescopic end of the first electric telescopic rod (417) is equal to that of the horizontal through hole (420);
the scraper blade (419) is vertically arranged in the second box body (41), the scraper blade (419) is fixedly connected with the telescopic end of the first electric telescopic rod (417), the lower end of the scraper blade (419) is wrapped by a rubber layer, and the longitudinal section of the scraper blade (419) is larger than the diameter of the telescopic end of the first electric telescopic rod (417).
8. The outdoor use anti-clogging pollution discharge self-priming pump according to claim 1, wherein,
a fluid inlet (32) of the first box body (31) is provided with a flow velocity sensor;
the trash processing device (4) comprises: the trash processing driving device is electrically connected with the controller and is controlled and driven by the controller, and the flow velocity sensor is connected with the controller through a second signal processing circuit;
the induction sensor is used for inducing the working parameters of the trash processing driving device and is connected with the controller through the first signal processing circuit;
the first signal processing circuit includes:
a first capacitor (C1) with one end connected with the induction sensor;
the non-inverting input end of the first operational amplifier (U1) is connected with the other end of the first capacitor (C1);
a sixth resistor (R6), one end of which is connected with the non-inverting input end of the first operational amplifier (U1), and the other end of which is grounded;
a fourth capacitor (C4), one end of which is connected with the inverting input end of the first operational amplifier (U1), and the other end of which is grounded;
a second resistor (R2), one end of which is connected with the inverting input end of the first operational amplifier (U1), and the other end of which is connected with the output end of the first operational amplifier (U1);
a second capacitor (C2) connected in parallel with the second resistor (R2);
the circuit comprises a third resistor (R3) and a fourth resistor (R4), wherein one end of the third resistor (R3) is connected with the output end of the first operational amplifier (U1), and the other end of the third resistor (R3) is connected with one end of the fourth resistor (R4);
a non-inverting input end of the second operational amplifier (U2) is connected with the other end of the fourth resistor (R4), an inverting input end of the second operational amplifier (U2) is connected with an output end, and an output end of the second operational amplifier (U2) is connected with the controller;
a first resistor (R1) having one end connected to the non-inverting input terminal of the second operational amplifier (U2) and the other end grounded;
a third capacitor (C3), one end of which is connected with the non-inverting input end of the second operational amplifier (U2), and the other end of which is connected with the output end of the second operational amplifier (U2);
a fifth resistor (R5), one end of which is connected with the output end of the second operational amplifier (U2), and the other end of which is grounded;
and the cathode of the Zener diode (D3) is connected with the output end of the second operational amplifier (U2), and the anode of the Zener diode is grounded.
9. The outdoor use anti-clogging pollution discharge self-priming pump according to claim 8, wherein,
the second signal processing circuit includes:
a fifth operational amplifier (U5), wherein the inverting input end of the fifth operational amplifier (U5) is connected with the flow velocity sensor, and the inverting input end of the fifth operational amplifier is connected with the output end;
a tenth resistor (R10) having one end connected to the output end of the fifth operational amplifier (U5);
a fourth operational amplifier (U4), the inverting input end of which is connected with the other end of the tenth resistor (R10), and the non-inverting input end of which is grounded;
an eleventh resistor (R11) having one end connected to the inverting input terminal of the fourth operational amplifier (U4) and the other end connected to the second power supply (V2);
a ninth resistor (R9), one end of which is connected to the inverting input terminal of the fourth operational amplifier (U4), and the other end of which is connected to the output terminal of the fourth operational amplifier (U4);
the inverting input end of the third operational amplifier (U3) is connected with the output end of the fourth operational amplifier (U4) through an eighth resistor (R8), the non-inverting input end of the third operational amplifier is grounded, and the output end of the third operational amplifier is connected with the controller;
a seventh resistor (R7), one end of which is connected to the inverting input terminal of the fourth operational amplifier (U4), and the other end of which is connected to the output terminal of the fourth operational amplifier (U4);
the anode of the first crystal diode (D1) is grounded, and the cathode of the first crystal diode is connected with the output end of the fourth operational amplifier (U4);
and the anode of the second crystal diode (D2) is connected with the output end of the fourth operational amplifier (U4), and the cathode of the second crystal diode is connected with a second power supply (V2).
CN201911378816.7A 2019-12-27 2019-12-27 Anti-blocking sewage discharge self-sucking pump for outdoor use Pending CN111022334A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911378816.7A CN111022334A (en) 2019-12-27 2019-12-27 Anti-blocking sewage discharge self-sucking pump for outdoor use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911378816.7A CN111022334A (en) 2019-12-27 2019-12-27 Anti-blocking sewage discharge self-sucking pump for outdoor use

Publications (1)

Publication Number Publication Date
CN111022334A true CN111022334A (en) 2020-04-17

Family

ID=70196466

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911378816.7A Pending CN111022334A (en) 2019-12-27 2019-12-27 Anti-blocking sewage discharge self-sucking pump for outdoor use

Country Status (1)

Country Link
CN (1) CN111022334A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111608919A (en) * 2020-06-04 2020-09-01 袁家武 Submersible sewage pump for sewage treatment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111608919A (en) * 2020-06-04 2020-09-01 袁家武 Submersible sewage pump for sewage treatment
CN111608919B (en) * 2020-06-04 2021-05-04 浙江富莱欧机电有限公司 Submersible sewage pump for sewage treatment

Similar Documents

Publication Publication Date Title
CN111022334A (en) Anti-blocking sewage discharge self-sucking pump for outdoor use
CN207813801U (en) A kind of fuel feed pump
CN217732861U (en) Internal filtering type water treatment device and intelligent water treatment system
CN218509734U (en) Submersible sewage pump
CN218011285U (en) High-efficiency water environment ecological management system
CN211666898U (en) Anti-blocking sewage discharge self-sucking pump for outdoor use
CN217043851U (en) Visual oil smoke pipeline belt cleaning device
CN214998251U (en) Water pump with sewage filtering function
CN214360706U (en) Landfill leachate purification device that discolours
CN215388700U (en) Waste water and waste gas treatment device
CN111087087A (en) Clarification tank with self-cleaning function for treating biological pharmaceutical wastewater
CN211198907U (en) Prevent inside sewage treatment ware that deposits jam
WO2011091809A1 (en) Garden pump arrangement
CN214836962U (en) Air compressor machine waste fitting discharging
CN220502744U (en) Sewage foam removing device
CN220781599U (en) Chinese herbal raw material cleaning device
CN220918325U (en) Papermaking sewage filter equipment
CN220059920U (en) Anti-blocking sewage pump
CN215995770U (en) Sewage treatment tank for sewage treatment equipment
CN213176213U (en) Water pump impeller rust cleaning device
CN218130509U (en) Inner barrel precipitation type sewage filtering device and system
CN219449434U (en) Lithium extraction wastewater treatment device
CN220736611U (en) Tobacco sheet waste water filter equipment
CN216005582U (en) Circulated ageing resistance septic tank
CN213077743U (en) High-efficient filter equipment of high concentration waste water

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination