CN215058250U

CN215058250U - Self-priming pump with automatic regulating function

Info

Publication number: CN215058250U
Application number: CN202121527026.3U
Authority: CN
Inventors: 韩军
Original assignee: Jiangsu Jingye Pump Co Ltd
Current assignee: Jiangsu Jingye Pump Co Ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-12-07
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a self priming pump with automatically regulated function relates to self priming pump technical field, and for solving current self priming pump and driving the impeller through the motor at the in-process of work and rotate and carry out the pressure boost, self does not possess overvoltage protection's structure at the in-process of pressure boost to influence its life's problem. Be provided with the self priming pump on the base, the internally mounted of self priming pump has pressure sensor, the backup pad is all installed to the both sides of self priming pump, the support is installed at the top of self priming pump, install the motor on the support, the inlet tube is installed to one side of self priming pump, one side of inlet tube is provided with the water inlet, install explosion-proof solenoid valve on the inlet tube, the bottom of inlet tube is provided with the bleeder hole, the outlet pipe is installed to the opposite side of self priming pump, the backup pad is installed to the below of outlet pipe.

Description

Self-priming pump with automatic regulating function

Technical Field

The utility model relates to a self priming pump technical field specifically is a self priming pump with automatic regulating function.

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. Different liquids can adopt self-priming pumps made of different materials. Before the water pump is started, the pump shell is filled with water. 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. The self-priming height of the self-priming pump is related to factors such as the sealing clearance in front of an impeller, the revolution number of the pump, the liquid level height of a separation chamber and the like. The smaller the sealing gap in front of the impeller is, the larger the self-priming height is.

However, the existing self-priming pump carries out supercharging by driving the impeller to rotate through the motor in the working process, and does not have an overpressure protection structure in the supercharging process, so that the service life of the self-priming pump is influenced; therefore, the existing requirements are not met, and a self-sucking pump with an automatic adjusting function is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self priming pump with automatically regulated function to solve the current self priming pump that proposes among the above-mentioned background art and drive the impeller through the motor and rotate and carry out the pressure boost at the in-process of work, self does not possess overvoltage protection's structure at the in-process of pressure boost, thereby influences its life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a self priming pump with automatic regulating function, includes base and self priming pump, be provided with the self priming pump on the base, the internally mounted of self priming pump has pressure sensor, the backup pad is all installed to the both sides of self priming pump, the support is installed at the top of self priming pump, install the motor on the support, the inlet tube is installed to one side of self priming pump, one side of inlet tube is provided with the water inlet, install explosion-proof solenoid valve on the inlet tube, the bottom of inlet tube is provided with the drainage hole, the outlet pipe is installed to the opposite side of self priming pump, the backup pad is installed to the below of outlet pipe.

Preferably, the support is provided with the backup pad all around, and the backup pad is provided with four, install set screw on the support, and the support passes through set screw and self priming pump threaded connection.

Preferably, the bottom of motor is provided with the connecting seat, install set screw on the connecting seat, and the motor passes through set screw and support threaded connection on the connecting seat, the top of motor is provided with the roof, the controller is installed to the preceding terminal surface of motor.

Preferably, the water outlet pipe is provided with an extension pipe, the bottom of the extension pipe is in threaded connection with the water outlet pipe through a fixing screw, and the top of the extension pipe is provided with a water outlet.

Preferably, the inside of self priming pump is provided with the baffle, and the baffle is provided with threely, the inner wall of self priming pump one side is provided with into water connecting pipe, be provided with out water connecting pipe on the inner wall of self priming pump opposite side.

Preferably, the inside top of self priming pump installs the pivot, the shaft coupling is installed at the top of pivot, first impeller is installed to the bottom of pivot, be provided with the adapter sleeve on the first impeller, the top of first impeller is provided with the second impeller, be provided with the adapter sleeve on the second impeller, be provided with the auxiliary impeller on the second impeller, be provided with the adapter sleeve on the auxiliary impeller.

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

1. the utility model discloses an installation explosion-proof solenoid valve on the inlet tube, self priming pump's internally mounted pressure sensor, its model number is LFT2000, set up the controller on the motor, pressure sensor gives the controller on the motor and the explosion-proof solenoid valve on the inlet tube with signal transmission when the pressure of the inside of self priming pump is too big, the controller closes the motor and makes its commentaries on classics stop the function, explosion-proof solenoid valve closes and makes the water inlet stop intaking, when the pressure value resumes, pressure sensor resumes the function for controller and explosion-proof solenoid valve with signal transmission again, avoid producing danger because of pressure is too big, the problem of current self priming pump carrying out the pressure boost through motor drive impeller rotation at the in-process of work has been solved, self does not possess overvoltage protection's structure at the in-process of pressure boost, thereby influence its life's problem.

2. Through installing two impellers in the pivot for can increase self priming pump self suction, the auxiliary impeller has been installed to the top of second impeller simultaneously, when rivers passed through the water connecting pipe, can increase the individual pressure of velocity of flow, thereby makes it flow from the delivery port of eminence.

Drawings

FIG. 1 is a schematic view of the overall structure of the self-priming pump of the present invention;

FIG. 2 is a schematic view of the local internal structure of the self-priming pump of the present invention;

FIG. 3 is a view of the whole structure of the rotating shaft of the present invention;

in the figure: 1. a base; 2. a self-priming pump; 3. a water outlet pipe; 4. an extension pipe; 5. a water outlet; 6. a water inlet pipe; 7. a tapping hole; 8. a water inlet; 9. an explosion-proof solenoid valve; 10. a support; 11. a motor; 12. a connecting seat; 13. a set screw; 14. a support plate; 15. a rotating shaft; 16. a coupling; 17. a partition plate; 18. a water outlet connecting pipe; 19. a water inlet connecting pipe; 20. a first impeller; 21. a second impeller; 22. a secondary impeller; 23. connecting sleeves; 24. a controller; 25. a top plate; 26. 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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a self priming pump with automatically regulated function, including base 1 and self priming pump 2, be provided with self priming pump 2 on the base 1, self priming pump 2's internally mounted has pressure sensor 26, backup pad 14 is all installed to self priming pump 2's both sides, support 10 is installed at self priming pump 2's top, install motor 11 on the support 10, inlet tube 6 is installed to one side of self priming pump 2, one side of inlet tube 6 is provided with water inlet 8, install explosion-proof solenoid valve 9 on the inlet tube 6, the bottom of inlet tube 6 is provided with bleeder 7, outlet pipe 3 is installed to self priming pump 2's opposite side, backup pad 14 is installed to the below of outlet pipe 3.

Further, support 10 is provided with backup pad 14 all around, and backup pad 14 is provided with four, installs set screw 13 on the support 10, and support 10 passes through set

screw

13 and 2 threaded connection of self priming pump, and set screw 13 improves the steadiness of junction.

Further, the bottom of motor 11 is provided with connecting seat 12, installs set screw 13 on connecting seat 12, and motor 11 passes through set screw 13 on connecting seat 12 and support 10 threaded connection, and the top of motor 11 is provided with roof 25, and the preceding terminal surface of motor 11 installs controller 24, and controller 24 controls the start and the stop of motor 11.

Furthermore, an extension pipe 4 is installed on the water outlet pipe 3, the bottom of the extension pipe 4 is in threaded connection with the water outlet pipe 3 through a fixing screw 13, a water outlet 5 is formed in the top of the extension pipe 4, and the extension pipe 4 is thicker than the water outlet pipe 3 and can increase water flow of the water outlet 5.

Further, the inside of self priming pump 2 is provided with baffle 17, and baffle 17 is provided with threely, and the inner wall of 2 one sides of self priming pump is provided with into water connecting pipe 19, is provided with out water connecting pipe 18 on the inner wall of 2 opposite sides of self priming pump, and rivers pass through connecting pipe flow to delivery port 5 department.

Further, pivot 15 is installed on the inside top of self priming pump 2, shaft coupling 16 is installed at the top of pivot 15, first impeller 20 is installed to the bottom of pivot 15, be provided with adapter sleeve 23 on the first impeller 20, the top of first impeller 20 is provided with second impeller 21, be provided with adapter sleeve 23 on the second impeller 21, be provided with auxiliary impeller 22 on the second impeller 21, be provided with adapter sleeve 23 on the auxiliary impeller 22, two impellers make the suction that can increase self priming pump 2 self.

The working principle is as follows: when the self-priming pump 2 is used, water is filled in the self-priming pump 2, the impeller rotates at high speed after being started to enable water flow in an impeller channel to flow out through the water outlet connecting pipe 18, the explosion-proof electromagnetic valve 9 is installed on the water inlet pipe 6, the pressure sensor 26 is installed inside the self-priming pump 2, the motor 11 is provided with the controller 24, when the pressure inside the self-priming pump 2 is too high, the pressure sensor 26 transmits signals to the controller 24 and the explosion-proof electromagnetic valve 9, the controller 24 closes the motor 11, the explosion-proof electromagnetic valve 9 is closed to enable the water inlet 8 to stop water inflow, when the pressure value is recovered, the pressure sensor 26 transmits signals to the controller 24 and the explosion-proof electromagnetic valve 9 to restart operation, danger caused by too high pressure is avoided, the problem that the conventional self-priming pump 2 drives the impeller to rotate through the motor 11 in the working process to carry out supercharging is solved, and the self does not have an overpressure protection structure in the supercharging process, thereby affecting the service life thereof.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a self priming pump with automatically regulated function, includes base (1) and self priming pump (2), its characterized in that: be provided with self priming pump (2) on base (1), the internally mounted of self priming pump (2) has pressure sensor (26), backup pad (14) are all installed to the both sides of self priming pump (2), support (10) are installed at the top of self priming pump (2), install motor (11) on support (10), inlet tube (6) are installed to one side of self priming pump (2), one side of inlet tube (6) is provided with water inlet (8), install explosion-proof solenoid valve (9) on inlet tube (6), the bottom of inlet tube (6) is provided with bleeder hole (7), outlet pipe (3) are installed to the opposite side of self priming pump (2), backup pad (14) are installed to the below of outlet pipe (3).

2. The self-primer pump with automatic adjustment of claim 1, wherein: the support is characterized in that supporting plates (14) are arranged on the periphery of the support (10), the supporting plates (14) are four, fixing screws (13) are installed on the support (10), and the support (10) is in threaded connection with the self-priming pump (2) through the fixing screws (13).

3. The self-primer pump with automatic adjustment of claim 2, wherein: the bottom of motor (11) is provided with connecting seat (12), install set screw (13) on connecting seat (12), and motor (11) pass through set screw (13) and support (10) threaded connection on connecting seat (12), the top of motor (11) is provided with roof (25), controller (24) are installed to the preceding terminal surface of motor (11).

4. The self-primer pump with automatic adjustment of claim 2, wherein: the water outlet pipe (3) is provided with an extension pipe (4), the bottom of the extension pipe (4) is in threaded connection with the water outlet pipe (3) through a fixing screw (13), and the top of the extension pipe (4) is provided with a water outlet (5).

5. The self-primer pump with automatic adjustment of claim 1, wherein: the inside of self priming pump (2) is provided with baffle (17), and baffle (17) are provided with threely, the inner wall of self priming pump (2) one side is provided with into water connecting pipe (19), be provided with out water connecting pipe (18) on the inner wall of self priming pump (2) opposite side.

6. The self-primer pump with automatic adjustment of claim 1, wherein: pivot (15) are installed on the inside top of self priming pump (2), shaft coupling (16) are installed at the top of pivot (15), first impeller (20) are installed to the bottom of pivot (15), be provided with adapter sleeve (23) on first impeller (20), the top of first impeller (20) is provided with second impeller (21), be provided with adapter sleeve (23) on second impeller (21), be provided with auxiliary impeller (22) on second impeller (21), be provided with adapter sleeve (23) on auxiliary impeller (22).