CN217813998U

CN217813998U - Frequency conversion integrated pressurizing water pump

Info

Publication number: CN217813998U
Application number: CN202221340738.9U
Authority: CN
Inventors: 刘清华; 刘正丽; 黄泽会; 王光辉; 陆齐轮
Original assignee: Yunnan Aerospace Automation Technology Co ltd
Current assignee: Yunnan Aerospace Automation Technology Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-15
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to the technical field of water pumps, in particular to a frequency conversion integrated pressurizing water pump, which comprises a pressure tank connector, a lock nut, a check valve fixing seat, a non-return valve core, a sealing ring, a compression spring, a water outlet nozzle, an automatic exhaust valve, a water inlet nozzle, a pump body, an impeller, a pump cover, a connecting end cover, a rotor shaft, a first bearing, a stator, a second bearing, a rear door cover, a heat dissipation fan blade, a fan blade cover, a connecting bolt, a circuit board, a function button integrated board, a frequency converter shell, a frequency converter upper cover, a motor shell, a pressure tank and a pressure sensor; the utility model discloses set up automatic exhaust valve on the pump body, under automatic exhaust valve's effect, water pump initial stage of operation, the gas in the pump body can be discharged by automatic exhaust valve, need not artifical manual the exhausting, has made things convenient for the use of water pump greatly, and the overhead tank adopts threaded connection's mode with the pump body, compares in bolted connection's mode, has made things convenient for the maintenance and the change of overhead tank greatly.

Description

Frequency conversion integrated pressurizing water pump

Technical Field

The utility model relates to a water pump technical field specifically is an integrative pressure water pump of frequency conversion.

Background

The water pump is a machine for conveying liquid or pressurizing liquid, and transfers the mechanical energy of prime motor or other external energy to the liquid to increase the energy of the liquid, and is mainly used for conveying liquid including water, oil, acid-base liquid, emulsion, suspoemulsion, liquid metal and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integrative forcing water pump of frequency conversion through set up automatic exhaust valve on the pump body, reaches and need not artifical manual carminative purpose that carries on.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an integrative booster pump of frequency conversion, includes the pump body and motor element, motor element's output shaft cup joints with the impeller in the pump body, the top of the pump body is provided with the overhead tank subassembly, the overhead tank subassembly includes check valve, overhead tank connector and overhead tank, and the overhead tank connector is T style of calligraphy structure, the top of check valve is connected with the overhead tank connector, the overhead tank connector is connected with the input threaded connection of overhead tank, the top of the pump body is provided with the automatic exhaust valve who is used for discharging the gaseous of the internal liquid flow of pump and produces, automatic exhaust valve and check valve the motor element includes motor casing, converter subassembly and rotor subassembly, the rotor subassembly is installed in the motor casing, the converter subassembly is installed at the top of motor casing, the converter subassembly includes circuit board, function button integrated board, converter casing and converter upper cover, the top at the motor casing is installed to the converter casing, install circuit board and function button integrated board in the converter casing, the converter upper cover is installed at the top of converter casing, the fixed cover has connect the stator in the motor casing.

Preferably, the rotor subassembly includes pump cover, connection end cover, rotor shaft and first bearing, the both ends of motor casing correspond install connection end cover and back door head cover, the one end department of rotor shaft rotates through first bearing and installs on connection end cover, and the one end that the connection end cover was kept away from to the rotor shaft rotates through the second bearing and installs on back door head cover, the rotor shaft is last to be fixed to be cup jointed with the rotor core of stator adaptation, the fixed impeller that has cup jointed of one end of rotor shaft, the impeller is located the pump body, the fixed heat dissipation fan blade that has cup jointed of one end that the impeller was kept away from to the rotor shaft, heat dissipation fan blade is located the outside of back door head cover.

Preferably, a fan blade cover is installed at one end of the motor casing, and the heat dissipation fan blade is located in the fan blade cover.

Preferably, a pump cover used for sealing the pump body is installed on one side, close to the motor casing, of the pump body, and a water inlet nozzle used for water inflow is arranged on one side, away from the pump cover, of the pump body.

Preferably, the check valve includes valve body, lock nut, check valve fixing base and non return case, one side of valve body is provided with the faucet that is used for going out water, the sealing washer has been placed at the top of check valve fixing base, is provided with compression spring between the bottom of check valve fixing base and the non return case, the top at the pump body is installed to the valve body, faucet, valve body and the inside of the pump body communicate with each other, check valve fixing base threaded mounting all is provided with the filter screen on one side of faucet and the intake-water inlet.

Preferably, install pressure sensor on the pump body, pressure sensor and converter subassembly's circuit board electric connection is provided with PLC on the circuit board, the converter shell links together through connecting bolt and motor casing.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses set up automatic exhaust valve on the pump body, under automatic exhaust valve's effect, the water pump initial stage of operation, the gas in the pump body can be discharged by automatic exhaust valve, need not artifical manual exhaust, has made things convenient for the use of water pump greatly, and the overhead tank adopts threaded connection's mode with the pump body, compares in bolted connection's mode, has made things convenient for the maintenance and the change of overhead tank greatly.

Drawings

FIG. 1 is an exploded view of the present invention;

fig. 2 is a schematic view of a first three-dimensional structure of the present invention;

fig. 3 is a schematic view of a second three-dimensional structure of the present invention.

In the figure: 1. a pressure tank connector; 2. a lock nut; 3. a check valve fixing seat; 4. a check valve core; 5. a seal ring; 6. a compression spring; 7. a water outlet nozzle; 8. an automatic exhaust valve; 9. a water inlet nozzle; 10. a pump body; 11. an impeller; 12. a pump cover; 13. connecting an end cover; 14. a rotor shaft; 15. a first bearing; 16. a stator; 17. a second bearing; 18. a rear door head cover; 19. a heat dissipation fan blade; 20. a fan blade cover; 21. a connecting bolt; 22. a circuit board; 23. a function button integrated board; 24. a frequency converter housing; 25. an upper cover of the frequency converter; 26. a motor casing; 27. a pressure tank; 28. a pressure sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides an integrative booster pump of frequency conversion, including the pump body 10 and motor element, motor element's the output shaft cup joints with the impeller in the pump body 10, the top of the pump body 10 is provided with the overhead tank subassembly, the overhead tank subassembly includes the check valve, overhead tank connector 1 and overhead tank 27, overhead tank connector 1 is T font structure, the top of check valve is connected with overhead tank connector 1, overhead tank connector 1 and overhead tank 27's input end threaded connection, the top of the pump body 10 is provided with the automatic discharge valve 8 that is used for discharging the gaseous of the interior liquid flow of the pump body 10 production, motor element includes motor casing 26, converter subassembly and rotor subassembly, the rotor subassembly is installed in motor casing 26, the converter subassembly is installed at the top of motor casing 26, the converter subassembly includes circuit board 22, function button integrated board 23, converter casing 24 and converter upper cover 25, the top at motor casing 26 is installed to converter casing 24, install circuit board 22 and function button integrated board 23 in the converter casing 24, converter upper cover 25 is installed to the top of converter casing 24, fixed cover has connect stator 16 in the motor casing 26.

Further, the rotor subassembly includes pump cover 12, connection end cover 13, rotor shaft 14 and first bearing 15, motor casing 26 both ends correspond install connection end cover 13 and back door head cover 18, rotor shaft 14's one end department rotates through first bearing 15 and installs on connection end cover 13, rotor shaft 14 keeps away from the one end of connection end cover 13 and rotates through second bearing 17 and install on back door head cover 18, rotor shaft 14 is last to be fixed to cup joint the rotor core with stator 16 adaptation, rotor shaft 14's one end is fixed to be cup jointed impeller 11, impeller 11 is located the pump body 10, rotor shaft 14 keeps away from the one end of impeller 11 and is fixed to be cup jointed heat dissipation fan blade 19, heat dissipation fan blade 19 is located the outside of back door head cover 18.

Furthermore, a fan blade cover 20 is installed at one end of the motor casing 26, and the heat dissipation fan blades 19 are located in the fan blade cover 20.

Further, one side of the pump body 10 close to the motor casing 26 is provided with a pump cover 12 for sealing the pump body 10, and one side of the pump body 10 far away from the pump cover 12 is provided with a water inlet nozzle 9 for water inlet.

Furtherly, the check valve includes valve body, lock nut 2, check valve fixing base 3 and non return case 4, and one side of valve body is provided with the faucet 7 that is used for going out water, and sealing washer 5 has been placed at check valve fixing base 3's top, is provided with compression spring 6 between check valve fixing base 3's the bottom and the non return case 4, and the top at the pump body 10 is installed to the valve body, and faucet 7, valve body communicate each other with the inside of the pump body 10, and 3 threaded mounting of check valve fixing base are on the valve body.

Further, a pressure sensor 28 is mounted on the pump body 10, the pressure sensor 28 is electrically connected with a circuit board 22 of the frequency converter assembly, a PLC is disposed on the circuit board 22, the frequency converter housing 24 is connected with the motor housing 26 through a connecting bolt 21, and the frequency converter housing 24 is connected with the motor housing 26 through the connecting bolts 21 which are symmetrically distributed.

The utility model discloses a working process as follows:

as shown in fig. 1-3, the pressure tank connector 1 is T-shaped, a butt-joint platform is arranged in the lock nut 2, so that the pressure tank connector 1 is connected with the lock nut 2 in a sleeve-joint manner, the pressure tank connector 1 is in threaded connection with the pressure tank 27 and coated with thread sealant, a sealing groove for placing the sealing ring 5 is arranged at the top of the check valve fixing seat 3, a compression spring 6 is in butt joint between the bottom of the check valve fixing seat 3 and the check valve core 4, the check valve fixing seat 3 is in threaded connection with the pump body 10, when the water flow pressure exceeds the opening pressure of the check valve, the compression spring 6 is compressed, the check valve core 4 is pushed open under the action of the fluid pressure, so as to communicate the medium of the pipeline, otherwise, the check valve core is closed, a water outlet nozzle 7 and a water inlet nozzle 9 are designed at the left side of the pump body 10 and are respectively used for being connected with a water outlet pipe and a water inlet pipe, at the initial working stage of the water pump, the gas in the pump body 10 can be discharged by an automatic exhaust valve 8, and manual exhaust is not needed.

The upper cover 25 of the frequency converter is connected with the shell 24 of the frequency converter through bolts, the inner part of the shell 24 of the frequency converter is provided with a circuit board 22 and a function button integrated board 23 which are used for controlling devices, the inner part of the motor shell 26 is provided with a stator 16 and a rotor shaft 14, a second bearing 17 at the right side of the rotor shaft 14 is positioned in the inner part of a back door head cover 18, the right side of the rotor shaft 14 passes through the back door head cover 18 and a heat dissipation fan blade 19, the back door head cover 18 is in threaded connection with the motor shell 26, a fan blade cover 20 is in threaded connection with the back door head cover 18, a first bearing 15 at the left side of the rotor shaft 14 is positioned in a connecting end cover 13, the left side of the rotor shaft 14 penetrates through the connecting end cover 13, the pump cover 12 and the impeller 11, one side of the connecting end cover 13 is connected with the motor casing 26, the other side of the connecting end cover is connected with the pump body 10, the impeller 11 is located inside the pump body 10 and seals the pump body 10 through the pump cover 12, after the pump is started, the impeller 11 is driven by the rotor shaft 14 to rotate at a high speed, the pressure sensor 28 is in threaded connection with the pump body 10, after the pump is started, the pressure of water reaches the upper limit, the pump can be automatically stopped under the action of the pressure sensor, and otherwise, if the pressure of the water reaches the lower limit, the pump is automatically started under the action of the pressure sensor 28.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides an integrative pressurized water pump of frequency conversion, includes the pump body and motor element, its characterized in that: the utility model discloses a pump, including motor element, pump body, pressure jar, motor casing, pressure jar connector, rotor subassembly, frequency converter assembly, frequency converter integrated board, frequency converter upper cover, frequency converter assembly, frequency converter casing, motor casing internal fixation cover has connect the stator, the top of the pump body is provided with the pressure jar subassembly, the pressure jar subassembly includes check valve, pressure jar connector and pressure jar, the top of check valve is connected with the pressure jar connector, the input threaded connection of pressure jar connector and pressure jar, the top of the pump body is provided with the gaseous automatic exhaust valve who is used for discharging the interior liquid flow of the pump body and produces, motor element includes motor casing, frequency converter assembly and rotor subassembly, the rotor subassembly is installed in the motor casing, the frequency converter assembly is installed at the top of motor casing to the top of motor casing, install circuit board and function button integrated board in the frequency converter casing, the frequency converter upper cover is installed at the top of frequency converter casing, the fixed cover has connect the stator in the motor casing.

2. The variable-frequency integrated pressurized water pump according to claim 1, characterized in that: the rotor subassembly includes pump cover, connection end cover, rotor shaft and first bearing, the both ends of motor casing correspond installs connection end cover and back door head cover, the one end department of rotor shaft rotates through first bearing and installs on connection end cover, and the one end that the rotor shaft kept away from connection end cover rotates through the second bearing and installs on back door head cover, the last fixed rotor core that cup joints with the stator adaptation that cup joints of rotor shaft, the fixed impeller that has cup jointed of one end of rotor shaft, the impeller is located the pump body, the fixed heat dissipation fan blade that has cup jointed of one end that the rotor shaft kept away from the impeller, heat dissipation fan blade is located the outside of back door head cover.

3. The variable-frequency integrated pressurized water pump according to claim 2, characterized in that: and a fan blade cover is arranged at one end of the motor shell, and the heat dissipation fan blades are positioned in the fan blade cover.

4. The variable-frequency integrated pressurized water pump according to claim 1, characterized in that: the pump cover that is used for with pump body seal is installed to one side that the pump body is close to the motor casing, one side that the pump cover was kept away from to the pump body is provided with the water inlet tap who is used for intaking.

5. The variable-frequency integrated pressurized water pump according to claim 1, characterized in that: the check valve comprises a valve body, a locking nut, a check valve fixing seat and a check valve core, wherein a water outlet nozzle for water outlet is arranged on one side of the valve body, a sealing ring is placed at the top of the check valve fixing seat, a compression spring is arranged between the bottom of the check valve fixing seat and the check valve core, the valve body is installed at the top of the pump body, the water outlet nozzle, the valve body and the inside of the pump body are communicated with each other, and the check valve fixing seat is installed on the valve body in a threaded mode.

6. The variable-frequency integrated pressurized water pump according to claim 1, characterized in that: install pressure sensor on the pump body, the converter shell links together through connecting bolt and motor casing.