Stainless steel magnetic drive pump with high sealing performance

Abstract

The utility model discloses a stainless steel magnetic drive pump with high sealing performance, and particularly relates to the technical field of magnetic drive pumps, the stainless steel magnetic drive pump comprises a base, a motor and a sealing assembly pump body, a drainage pipe is arranged at the top of the pump body, a water inlet pipe is arranged on the side face of the pump body, and the motor and the pump body are fixedly installed on the base. A protective shell is arranged at the joint of the motor and the pump body, the side, opposite to the pump body, of the protective shell is fixedly connected through flange plates, and the sealing assembly is arranged between the two flange plates. According to the stainless steel magnetic drive pump with the high sealing performance, the spring, the sealing ring, the sealing pipe and the sealing plate are matched with one another, the sealing plate and the sealing pipe are tightly connected through the elastic force of the spring, the sealing performance of the connecting position of the two flange plates is guaranteed, and the service life of the magnetic drive pump is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to magnetic force pump technical field, especially in a kind of high sealing stainless steel magnetic force pump. BACKGROUND

[0002] Stainless steel magnetic force pump is by magnetic force pump from pump, magnetic drive, motor three components.Key component magnetic drive is by outer magnetic rotor, inner magnetic rotor and non-magnetic isolating sleeve composition.When motor drives outer magnetic rotor rotation, magnetic field can penetrate air gap and non-magnetic substance, drive the inner magnetic rotor connected with impeller synchronous rotation, realize the contactless transmission of power, convert dynamic seal into static seal.Pump shaft, inner magnetic rotor is completely enclosed by pump body, isolating sleeve, thereby completely solve the problem of "run, pour, drip, leak", eliminate the security risk of flammable, explosive, toxic, harmful medium through pump seal in oil refining chemical industry, effectively guarantee the physical and mental health and safety production of staff.

[0003] Magnetic drive is just set in the protective shell at the connection place of pump body and motor, so the sealing property of the connection place of protective shell and body is very important, the existing protective shell and body are connected by flange plate, then sealing ring is arranged between the two to seal and block, but due to the long-term use of the whole magnetic force pump and the continuous disassembly and repair of the magnetic force pump, the surface connected by the two flange plates is inevitably damaged due to friction, so that the connection of flange plate is not tight enough, and the sealing property of the whole magnetic force pump is not sufficient enough, so that the normal use of the magnetic force pump is affected. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of high sealing stainless steel magnetic force pumps, can effectively solve the problem in background art.

[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0006] A kind of high sealing stainless steel magnetic force pump, including base, motor, and sealing assembly pump body, the pump body top is provided with drain pipe, the pump body side is provided with water inlet pipe, the motor and pump body are fixedly installed on base, protective shell is arranged between the connection place of motor and pump body, the side opposite to the pump body of protective shell is fixedly connected by flange plate, the sealing assembly is set between two flange plates.

[0007] Preferably, one end of the two flange plates opposite is close to the inner wall side and is provided with a mounting groove, and the inner wall of the mounting groove is provided with a slot.

[0008] Preferably, the sealing assembly includes a sealing plate, sealing pipes are fixedly installed at the left and right ends of the sealing plate, the sealing plate is installed in the mounting groove, and the sealing pipes are inserted into the slots.

[0009] Preferably, the sealing plate is provided with a rubber sealing gasket on the surface in contact with the mounting groove.

[0010] Preferably, the spring is fixedly installed on the side wall of the insertion groove, and the sealing ring is fixedly installed on the side of the spring close to the sealing pipe.

[0011] Compared with the prior art, the utility model has the advantages of the following:

[0012] The utility model discloses a stainless steel magnetic force pump of high sealing property, through the mutual cooperation of spring, sealing ring, sealing pipe and sealing plate, the elastic force of spring is utilized to connect sealing plate and sealing pipe closely, and the sealing property of the connecting place of two flanges is ensured, satisfies the high sealing property requirement of magnetic force pump, and improves the service life of magnetic force pump. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the connection schematic diagram of flange and sealing assembly of the utility model;

[0015] Figure 3 It is the structure schematic diagram of flange of the utility model;

[0016] Figure 4 It is the structure schematic diagram of sealing assembly of the utility model.

[0017] In the drawing: 1, base;2, motor;3, flange;4, sealing assembly;5, spring;6, sealing ring;7, pump body;72, drain pipe;71, water inlet pipe;31, mounting groove;32, insertion groove;41, sealing plate;42, sealing pipe. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be clearly and completely explained in combination with the drawings in the utility model embodiment, and obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the range of the utility model protection.

[0019] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art will be able to understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] like Figures 1-4 As shown, a high-sealing stainless steel magnetic pump includes a base 1, a motor 2, a sealing assembly 4, and a pump body 7. A drain pipe 72 is provided on the top of the pump body 7, and a water inlet pipe 71 is provided on the side of the pump body 7. The motor 2 and the pump body 7 are fixedly mounted on the base 1. A protective shell is provided between the connection between the motor 2 and the pump body 7. The side of the protective shell opposite to the pump body 7 is fixedly connected by a flange 3. The sealing assembly 4 is disposed between two flanges 3.

[0022] The two flanges 3 have an installation groove 31 on one side of their opposite ends near the inner wall. The inner wall of the installation groove 31 has a slot 32. The sealing assembly 4 includes a sealing plate 41. Sealing tubes 42 are fixedly installed on both the left and right ends of the sealing plate 41. The sealing plate 41 is installed in the installation groove 31, and the sealing tubes 42 are inserted into the slots 32.

[0023] A rubber sealing gasket is installed on the surface of the sealing plate 41 that contacts the mounting groove 31 to improve the sealing effect of the connection between the flanges 3.

[0024] The side wall of the slot 32 is fixedly provided with a plurality of springs 5, the side of the plurality of springs 5 close to the sealing pipe 42 is fixedly provided with a sealing ring 6, the side of the sealing ring 6 close to the sealing pipe 42 is bonded with a rubber sealing gasket, the spring 5 extrudes the sealing ring 6, the sealing ring 6 extrudes the rubber sealing gasket to be tightly connected with the sealing pipe 42, and the sealing effect is improved.

[0025] The working principle of the utility model is as follows: when installing, the two flanges 3 are fixed together through bolts, when fixing the flanges 3, the sealing pipes 42 on the two sides are inserted into the slots 32 on the two sides, when the two flanges 3 approach each other, the sealing pipe 42 gradually extrudes the sealing ring 6, under the action of the elasticity of the spring 5, the sealing pipe 42 and the sealing ring 6 are extruded tightly, when the two flanges 3 are worn and cannot be tightly attached due to friction, at this time, the spring 5 extrudes the sealing ring 6 to extrude the sealing pipe 42, so that the sealing pipe 42 and the sealing plate 41, the sealing ring 6 and the flange 3 are kept sealed, the sealing property of the connecting part of the two flanges 3 is ensured, and the service life of the magnetic pump is improved.

[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A high-sealing stainless steel magnetic drive pump, characterized by: Including base (1), motor (2) and sealing assembly (4) pump body (7), the top of the pump body (7) is provided with a drain pipe (72), the side of the pump body (7) is provided with a water inlet pipe (71), the motor (2) and the pump body (7) are fixedly installed on the base (1), the connecting place between the motor (2) and the pump body (7) is provided with a protective shell, the side, opposite to the pump body (7), of the protective shell is fixedly connected through a flange plate (3), the sealing assembly (4) is arranged between the two flange plates (3).

2. The high sealability stainless steel magnetic drive pump according to claim 1, characterized in that: Two the flange plate (3) opposite one end is close to the inner wall one side is provided with installation groove (31), the installation groove (31) inner wall is provided with the insertion slot (32).

3. The high sealability stainless steel magnetic drive pump according to claim 2, characterized in that: The sealing assembly (4) includes a sealing plate (41), the left and right ends of the sealing plate (41) are fixedly installed with sealing pipes (42), the sealing plate (41) is installed in the installation groove (31), and the sealing pipes (42) are inserted into the insertion slot (32).

4. The high sealability stainless steel magnetic drive pump according to claim 3, characterized in that: The surface of the sealing plate (41) in contact with the installation groove (31) is provided with a rubber sealing gasket.

5. A high seal stainless steel magnetic drive pump as claimed in claim 4 wherein: The side wall of the insertion slot (32) is fixedly installed with a plurality of springs (5), the side, close to the sealing pipe (42), of the plurality of springs (5) is fixedly installed with a sealing ring (6), and the side, close to the sealing pipe (42), of the sealing ring (6) is bonded with a rubber sealing gasket.

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