CN108980055B

CN108980055B - Metal magnetic drive pump with high pressure resistant function

Info

Publication number: CN108980055B
Application number: CN201810783229.5A
Authority: CN
Inventors: 秦晓华; 潘凤建; 潘耀东
Original assignee: Anhui Nanfang Chemical Pump Industry Co ltd
Current assignee: Anhui Nanfang Chemical Pump Industry Co ltd
Priority date: 2018-07-17
Filing date: 2018-07-17
Publication date: 2020-04-07
Anticipated expiration: 2038-07-17
Also published as: CN108980055A

Abstract

The utility model provides a metal magnetic drive pump with high pressure resistant function, includes shell, separation sleeve, blade, first pivot and second pivot, the shell divide into stock solution room and power conversion room, the blade sets up in the stock solution room, the blade passes through the fixed axle and rotates to be fixed in the stock solution room, stock solution room left side is provided with the inlet, both sides all are provided with the liquid outlet about the stock solution room, the second pivot sets up the stock solution room with between the power conversion room, the blade is fixed second pivot left side. The liquid storage chamber has the advantages that after liquid enters the liquid storage chamber, a certain amount of liquid enters the cavity through the partial pressure hole and then sequentially passes through the flow hole, and the flow speed is reduced under the action of the inclined plate, so that the flow pressure is reduced; after the liquid speed reduces, the rethread pressure hole flows to play high pressure resistant effect, make the work efficiency of magnetic pump higher, liquid is carried sooner, and life is longer.

Description

Metal magnetic drive pump with high pressure resistant function

Technical Field

The invention relates to the technical field of magnetic pumps, in particular to a metal magnetic pump with a high-pressure resistant function.

Background

The magnetic pump (also called magnetic driving pump) is mainly composed of pump head, magnetic driver (magnetic cylinder), motor and base. The magnetic driver of the magnetic pump consists of an outer magnetic rotor, an inner magnetic rotor and a non-magnetic separation sleeve. When the motor drives the outer magnetic rotor to rotate through the coupler, the magnetic field can penetrate through the air gap and the nonmagnetic substance isolation sleeve to drive the inner magnetic rotor connected with the blades to synchronously rotate, so that the non-contact synchronous transmission of power is realized, and the dynamic sealing structure which is easy to leak is converted into a static sealing structure with zero leakage. The pump shaft and the inner magnetic rotor are completely sealed by the shell and the isolation sleeve, so that the problems of leakage, overflow, dripping and leakage are thoroughly solved.

When the liquid is pumped by the magnetic force, if the pressure of the liquid is higher, the service life of the machine is possibly influenced, the maintenance difficulty is increased, and even the equipment is scrapped.

Disclosure of Invention

The present invention is directed to a metal magnetic pump with high pressure resistance, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a metal magnetic pump with high pressure resistance function comprises a shell, an isolation sleeve, a blade, a first rotating shaft and a second rotating shaft, the shell is divided into a liquid storage chamber and a power conversion chamber, the blades are arranged in the liquid storage chamber and are rotationally fixed in the liquid storage chamber through a fixed shaft, a liquid inlet is arranged at the left side of the liquid storage chamber, liquid outlets are arranged at the upper side and the lower side of the liquid storage chamber, the second rotating shaft is arranged between the liquid storage chamber and the power conversion chamber, the blade is fixed on the left side of the second rotating shaft, the isolation sleeve is arranged in the power conversion chamber, the right side of the second rotating shaft is fixed on the isolation sleeve, an inner magnetic rotor is fixed at the right end of the second rotating shaft, an outer magnetic rotor is arranged outside the isolation sleeve, permanent magnets are arranged inside the outer magnetic rotor and on the upper side and the lower side of the inner magnetic rotor, and a first rotating shaft is fixed on the right side of the outer magnetic rotor; the blade is four fan blade formulas and sets up, sets up a minute clamp plate between every flabellum, divide the clamp plate with the blade sets up respectively to "ten" font, divide the clamp plate with the stock solution room closely laminates, divide the inside cavity of having seted up of clamp plate, a plurality of hang plates of the inside even fixedly connected with of cavity, a plurality of flow holes have been seted up in the contact department of hang plate and cavity inside wall is crisscross, still evenly set up the partial pressure hole that communicates the cavity on the branch clamp plate.

The invention has the following further effects: bearing blocks are arranged between the first rotating shaft and the shell, tapered roller bearings are arranged in each bearing block, and oil slingers are arranged on the left side and the right side of each bearing block.

Still further effects of the present invention are: the outer magnetic rotor is wrapped outside the isolation sleeve, and a micro gap is reserved between the outer magnetic rotor and the isolation sleeve.

Still further effects of the present invention are: the isolating sleeve is fixed on the shell through a bayonet.

Still further effects of the present invention are: the right end part of the first rotating shaft is provided with a key groove.

Still further effects of the present invention are: the inclined plates are obliquely arranged in a staggered mode.

Still further effects of the present invention are: the diameters of the flow hole and the partial pressure hole are both 3mm-5 mm.

The liquid storage chamber has the advantages that after liquid enters the liquid storage chamber, a certain amount of liquid enters the cavity through the partial pressure hole and then sequentially passes through the flow hole, and the flow speed is reduced under the action of the inclined plate, so that the flow pressure is reduced; after the liquid speed reduces, the rethread pressure hole flows to play high pressure resistant effect, make the work efficiency of magnetic pump higher, liquid is carried sooner, and life is longer.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a blade according to the present invention;

fig. 3 is a schematic structural diagram of the pressure distributing plate of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, in an embodiment of the present invention, a metal magnetic pump with high pressure resistance includes a housing 5, an isolation sleeve 3, a blade 4, a first rotating shaft 15 and a second rotating shaft 2, the housing 5 is divided into a liquid storage chamber 10 and a power conversion chamber 11, the blade 4 is disposed in the liquid storage chamber 10, the blade 4 is rotatably fixed in the liquid storage chamber 10 by a fixing shaft 14, a liquid inlet 9 is disposed at the left side of the liquid storage chamber 10, liquid outlets 6 are disposed at the upper and lower sides of the liquid storage chamber 10, the second rotating shaft 2 is disposed between the liquid storage chamber 10 and the power conversion chamber 11, the blade 4 is fixed at the left side of the second rotating shaft 2, the isolation sleeve 3 is disposed in the power conversion chamber 11, the right side of the second rotating shaft 2 is fixed on the isolation sleeve 3, an inner magnetic rotor 12 is fixed at the right end of the second rotating shaft 2, an outer magnetic rotor 13 is disposed at the outer side of the isolation sleeve 3, outer magnet rotor 13 right side is fixed with first pivot 15, blade 4 is four flabellum formulas and sets up, set up a branch clamp plate 8 between every flabellum, divide clamp plate 8 and blade 4 to set up respectively to "ten" font, divide clamp plate 8 and stock solution room 10 closely to laminate, all be provided with bearing frame 1 between first pivot 15 and second pivot 2 and the shell 5, all be provided with tapered roller bearing in every bearing frame 1, and the bearing frame 1 left and right sides all is provided with the oil retainer ring, outer magnet rotor 13 parcel is in the spacer sleeve 3 outside, and leave little space between 3 with the spacer sleeve, spacer sleeve 3 passes through the bayonet socket to be fixed on

shell

5, 15 right-hand members of first pivot are provided with the keyway.

The pressure dividing plate 8 is tightly attached to the liquid storage chamber 10, a cavity 801 is formed in the pressure dividing plate 8, a plurality of inclined plates 802 are uniformly and fixedly connected to the interior of the cavity 801, a plurality of flow holes 803 are formed in the contact positions of the inclined plates 802 and the inner side wall of the cavity 801 in a staggered mode, pressure dividing holes 804 communicated with the cavity 801 are further uniformly formed in the pressure dividing plate 8, and after liquid enters the liquid storage chamber 10, a small amount of liquid enters the cavity 801 through the pressure dividing holes 804 and then sequentially passes through the flow holes 803, so that the flow speed is reduced slightly under the action of the inclined plates 802, and the flow pressure is reduced; after the liquid speed is reduced, the liquid flows out through the pressure-dividing hole 804, so that the high-pressure resistant function is achieved.

The inclined plates 802 are arranged in a staggered and inclined manner.

The diameters of the flow hole 803 and the partial pressure hole 804 are both 3mm-5 mm.

The specific principle is as follows: when the liquid storage device is used, the outer magnetic rotor 13 is driven to rotate around the isolation sleeve 3 through the rotation of the first rotating shaft 15, the permanent magnet 7 arranged on the inner side of the outer magnetic rotor 13 and the permanent magnet 7 on the outer side of the inner magnetic rotor 12 in the isolation sleeve 3 generate a magnetic force effect, then the inner magnetic rotor 12 rotates along with the rotation of the outer magnetic rotor 13, the inner magnetic rotor 12 drives the blades 4 to rotate, the blades 4 pump liquid coming from the liquid inlet 9 to the outside from the liquid outlet 6 under the high-speed rotation, after the liquid enters the liquid storage chamber 10, a certain amount of liquid enters the cavity 801 through the partial pressure holes 804 and then sequentially passes through the flow holes 803, the flow speed is reduced slightly under the action of the inclined plate 802, and therefore the flow pressure is reduced; after the liquid speed is reduced, the liquid flows out through the pressure-dividing hole 804, so that the high-pressure resistant function is achieved.

This metal magnetic drive pump simple structure, convenient operation, high durability and safety in utilization, can solve the most problems that meet under high pressure operational environment, can easily deal with the transport of various liquid, compare with the technique in the past, this magnetic drive pump delivery liquid effect is better, efficiency is higher, life is longer, the material of adoption is more general and economic, it is expensive to need not to adopt the cost, material with high costs also can reach the purpose of pump sending liquid under the high pressure condition, the equipment cost input of enterprise has been reduced, cost of maintenance has also been reduced.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a metal magnetic drive pump with high pressure resistant function, includes shell (5), spacer sleeve (3), blade (4), first pivot (15) and second pivot (2), shell (5) divide into stock solution room (10) and power conversion room (11), blade (4) set up in stock solution room (10), blade (4) rotate through fixed axle (14) to be fixed in stock solution room (10), stock solution room (10) left side is provided with inlet (9), both sides all are provided with liquid outlet (6) about stock solution room (10), second pivot (2) set up in stock solution room (10) with power conversion room (11) between, blade (4) are fixed second pivot (2) left side, spacer sleeve (3) set up in power conversion room (11), second pivot (2) right side is fixed on spacer sleeve (3), an inner magnetic rotor (12) is fixed at the right end of the second rotating shaft (2), an outer magnetic rotor (13) is arranged at the outer side of the isolation sleeve (3), permanent magnets (7) are arranged inside the outer magnetic rotor (13) and on the upper side and the lower side of the inner magnetic rotor (12), a first rotating shaft (15) is fixed on the right side of the outer magnetic rotor (13), it is characterized in that the blades (4) are arranged in a four-blade type, a sub-pressure plate (8) is arranged between each blade, the pressure dividing plate (8) and the blades (4) are respectively arranged in a cross shape, divide clamp plate (8) with liquid storage chamber (10) closely laminates, divide the inside cavity of having seted up of clamp plate, a plurality of hang plates of the inside even fixedly connected with of cavity, the contact department of hang plate and cavity inside wall is crisscross to be seted up a plurality of flow holes, still evenly set up the partial pressure hole of intercommunication cavity on the clamp plate.

2. The metal magnetic pump with high pressure resistance function according to claim 1, wherein bearing seats (1) are arranged between the first rotating shaft (15) and the housing (5) and between the second rotating shaft (2) and the housing (5), each bearing seat (1) is provided with a tapered roller bearing, and oil slingers are arranged on the left side and the right side of the bearing seat (1).

3. The metal magnetic pump with high pressure resistant function according to claim 1, characterized in that the outer magnetic rotor (13) is wrapped outside the spacer sleeve (3) with a slight gap from the spacer sleeve (3).

4. Metal magnetic pump with high pressure resistant function according to claim 1, characterized in that the spacer sleeve (3) is fixed to the housing (5) by means of a bayonet.

5. The metal magnetic pump with high pressure resistant function according to claim 1, wherein the right end of the first rotating shaft (15) is provided with a key groove.

6. The metal magnetic pump with high pressure resistant function as claimed in claim 1, characterized in that the inclined plates (802) are arranged in a staggered and inclined manner.

7. The metal magnetic pump with high pressure resistant function as claimed in claim 1 or 6, wherein the diameter of the flow hole (803) and the diameter of the partial pressure hole (804) are both 3mm-5 mm.