Shield pump stator with flange and shielding sleeve integrated structure

Abstract

The utility model discloses a shield pump stator with a flange and shield sleeve integrated structure, which belongs to the technical field of corrosion-resistant and shield-resistant electric pumps, and comprises an integrated shielding shell and a metal shell, the integrated shielding shell is provided with an inner metal shielding shell, the end part of the inner metal shielding shell is provided with a connecting flange, and the inner metal shielding shell is provided with an outer metal shielding shell. And the metal shell is sleeved on the outer side of the inner metal shielding shell. According to the utility model, the integrated shielding shell and the metal shell are integrally processed through mechanical equipment, and the integrated shielding shell, the metal shell and the stator coil are combined to form the motor stator, so that the inner metal shielding shell and the connecting flange in the motor stator are integrally formed, the later welding or spraying processing mode of the shielding sleeve is canceled, the operation procedures are reduced, and the production efficiency is improved. The welding seam does not need to be inspected, working hours are saved, the risk of leakage of the welding seam is avoided, the strength is high, high pressure can be borne without leakage, and the practicability is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to corrosion -resistant shielding electric pump technical field more specifically, it relates to a flange shielding sleeve integrated structure's shielding pump stator. BACKGROUND

[0002] Shielding pump is mainly used for conveying precious, flammable, explosive, toxic, corrosive liquid, because it is completely leakproof design, can effectively avoid environmental pollution, is widely used in chemical industry. Shielding pump passes through the pump and motor are sealed in a pressure container full of pumping medium, cancels the traditional rotating shaft sealing device, realizes completely leakproof operation.

[0003] Through the retrieval, the utility model discloses a nonmetallic shielding sleeve shielding pump motor, including front flange, rear flange, stator, coil, nonmetallic shielding sleeve, convex clamping column, the stator both ends are linked with coil respectively, the nonmetallic shielding sleeve is in the stator and coil inboard, and the both ends of nonmetallic shielding sleeve are convex clamping column, and the convex clamping column is clamped on the front flange and rear flange respectively, the nonmetallic shielding sleeve adopts the injection molding of filling polytetrafluoroethylene material quality, namely nonmetallic mode, and the stator is completely sealed to form closed cavity, the beneficial effects of this patent are that the efficiency is improved by 10 percentage points, the energy-saving effect is good, the heat transfer is not easy, the medium vaporization is avoided to cause the bearing dry grinding condition, the material cost is obviously reduced, and the strong acid working condition is adapted.

[0004] But the above patent still has the following insufficient: shielding sleeve's pressure capacity is poor, and at the same time, it is not corrosion resistant, which affects the service life of shielding pump. For this purpose, we propose a flange shielding sleeve integrated structure's shielding pump stator. UTILITY MODEL CONTENTS

[0005] In view of the problems in the prior art, the utility model aims at providing a flange shielding sleeve integrated structure's shielding pump stator.

[0006] To solve the above problems, the utility model adopts the following technical scheme:

[0007] The application discloses a shielding pump stator with a flange shielding sleeve integrated structure, which comprises an integrated shielding shell and a metal shell, wherein the integrated shielding shell is provided with an inner metal shielding shell, the end of the inner metal shielding shell is provided with a connecting flange, the metal shell is sleeved outside the inner metal shielding shell, a stator coil is sleeved between the inner metal shielding shell and the metal shell, the outer side of the end of the inner metal shielding shell is provided with a plurality of second screw holes, one end of the connecting flange is provided with a plurality of first screw holes, one end of the metal shell is provided with a first mounting disc, the first mounting disc is provided with a plurality of first mounting holes, the inner cavities of the plurality of first mounting holes are all sleeved with first bolts, the ends of the first bolts are threadedly connected into the inner cavities of the first screw holes, the other end of the metal shell is provided with a second mounting disc, the outer side of the second mounting disc is provided with a plurality of second mounting holes, the inner cavities of the plurality of second mounting holes are all sleeved with second bolts, and the ends of the second bolts are threadedly connected into the inner cavities of the second screw holes.

[0008] As a preferred scheme of the application, a plurality of third screw holes are formed in the other end of the connecting flange.

[0009] As a preferred scheme of the application, the inner wall of the second mounting disc is attached to the outer side of the inner metal shielding shell.

[0010] As a preferred scheme of the application, the integrated shielding shell and the inner metal shielding shell are integrally formed.

[0011] As a preferred scheme of the application, the inner diameter of the first mounting hole is equal to the outer diameter of the first bolt.

[0012] As a preferred scheme of the application, the inner diameter of the second mounting hole is equal to the outer diameter of the second bolt.

[0013] Compared with the prior art, the application has the following advantages:

[0014] In the application, the integrated shielding shell and the metal shell are integrally machined by a mechanical device, the motor stator is formed by combining the integrated shielding shell, the metal shell and the stator coil, the inner metal shielding shell and the connecting flange in the motor stator are integrally formed, the processing mode of post-welding or spraying of the shielding sleeve is cancelled, the operation process is reduced, the welding seam does not need to be inspected, the working hours are saved, the risk of leakage of the welding seam is avoided, the strength is high, the corrosion resistance is good, the motor stator can bear a very high pressure without leakage, and the practicability is good. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the application;

[0016] Figure 2 It is an explosion view of the whole structure of the application;

[0017] Figure 3 It is the sectional view schematic diagram of the utility model as a whole;

[0018] Figure 4 It is the sectional view schematic diagram of the utility model integral shielding shell;

[0019] Figure 5 It is the sectional view schematic diagram of the utility model metal shell.

[0020] Mark explanation in the drawing:

[0021] 1, integral shielding shell;2, inner metal shielding shell;3, connecting flange;4, stator coil;5, metal shell;6, first screw hole;7, second screw hole;8, first mounting disc;9, first mounting hole;10, first bolt;11, second mounting disc;12, second mounting hole;13, second bolt;14, third screw hole. Specific implementation

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] In the description of the utility model, it needs to be explained that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be understood broadly, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Embodiment:

[0026] Please refer to Figures 1-5The utility model provides a kind of shielding pump stator of flange shield sleeve integrated structure, including integrated shield shell 1 and metal shell 5, integrated shield shell 1 is provided with inner metal shield shell 2, the end of inner metal shield shell 2 is provided with connecting flange 3, metal shell 5 is sleeved on the outside of inner metal shield shell 2, stator coil 4 is sleeved between inner metal shield shell 2 and metal shell 5, the outside of the end of inner metal shield shell 2 is provided with a plurality of second screw holes 7, one end of connecting flange 3 is provided with a plurality of first screw holes 6, one end of metal shell 5 is provided with first mounting disc 8, first mounting disc 8 is provided with a plurality of first mounting holes 9, the inner cavity of a plurality of first mounting holes 9 is all sleeved with first bolt 10, and the end of first bolt 10 is threadedly mounted to the inner cavity of first screw hole 6, the other end of metal shell 5 is provided with second mounting disc 11, the outside of second mounting disc 11 is provided with a plurality of second mounting holes 12, the inner cavity of a plurality of second mounting holes 12 is all sleeved with second bolt 13, and the end of second bolt 13 is threadedly mounted to the inner cavity of second screw hole 7.

[0027] Specifically, please refer to Figure 1 And Figure 4 The other end of connecting flange 3 is provided with a plurality of third screw holes 14.

[0028] In the embodiment, the integrated shield shell 1 and the pump body are connected through the cooperation of the third screw hole 14 and the bolt.

[0029] Specifically, please refer to Figures 1 to 3 The inner wall of second mounting disc 11 and the outside of inner metal shield shell 2 are in close contact.

[0030] In the embodiment, the sealing property of the second mounting disc 11 sleeved on the outside of the inner metal shield shell 2 is ensured.

[0031] Specifically, please refer to Figure 1 And Figure 2 The integrated shield shell 1 and the inner metal shield shell 2 are integrally formed.

[0032] In the embodiment, the integrated shield shell 1 and the inner metal shield shell 2 are integrally formed, which avoids the welding or spraying processing mode, reduces the operation process, does not need to check the welding seam, and saves time.

[0033] Specifically, please refer to Figure 2 The inner diameter of first mounting hole 9 is equal to the outer diameter of first bolt 10.

[0034] In the embodiment, the stability of the first bolt 10 sleeved in the first mounting hole 9 is ensured, so that the stability of the first bolt 10 mounted between the first mounting disc 8 and the connecting flange 3 is ensured.

[0035] Specifically, please refer to Figure 2 The inner diameter of second mounting hole 12 is equal to the outer diameter of second bolt 13.

[0036] In this embodiment, the stability of the second bolt 13 in the second mounting hole 12 is ensured, thereby ensuring the stability of the second bolt 13 in mounting between the second mounting disc 11 and the inner metal shielding shell 2.

[0037] Working principle: in use, firstly, the integrated shielding shell 1 and the metal outer shell 5 are integrally processed by a mechanical device, then the stator coil 4 is fixedly sleeved on the outer side of the inner metal shielding shell 2 on the integrated shielding shell 1, and the metal outer shell 5 is sleeved on the outer side of the metal outer shell 5, and the first mounting disc 8 at the end of the metal outer shell 5 is in contact with the connecting flange 3 at the end of the integrated shielding shell 1, then the first bolt 10 is respectively inserted into the plurality of first mounting holes 9, so that the end of the first bolt 10 is threadedly mounted into the first screw hole 6, finally, the second bolt 13 is respectively inserted into the plurality of second mounting holes 12, so that the end of the second bolt 13 is threadedly mounted into the second screw hole 7 at the side of the integrated shielding shell 1, thereby mounting the metal outer shell 5 on the outer side of the integrated shielding shell 1, and the integrated shielding shell 1 integrally formed can effectively improve the strength of the motor.

[0038] The above merely describes a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art, according to the technical scheme and improvement concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, should be covered in the protection scope of the present application.

Claims

1. A shielded pump stator with an integrated flange shielding sleeve structure, characterized in that: The device includes an integrated shielding shell (1) and a metal outer shell (5). An inner metal shielding shell (2) is provided on the integrated shielding shell (1). A connecting flange (3) is provided at the end of the inner metal shielding shell (2). The metal outer shell (5) is fitted on the outside of the inner metal shielding shell (2). A stator coil (4) is fitted between the inner metal shielding shell (2) and the metal outer shell (5). A plurality of second screw holes (7) are provided on the outside of the end of the inner metal shielding shell (2). A plurality of first screw holes (6) are provided at one end of the connecting flange (3). A first mounting plate is provided at one end of the metal outer shell (5). (8) The first mounting plate (8) is provided with a plurality of first mounting holes (9), and the inner cavity of the plurality of first mounting holes (9) is fitted with a first bolt (10). The end of the first bolt (10) is threaded into the inner cavity of the first screw hole (6). The other end of the metal shell (5) is provided with a second mounting plate (11). The outer side of the second mounting plate (11) is provided with a plurality of second mounting holes (12). The inner cavity of the plurality of second mounting holes (12) is fitted with a second bolt (13). The end of the second bolt (13) is threaded into the inner cavity of the second screw hole (7).

2. The shielded pump stator with an integrated flange shielding sleeve structure according to claim 1, characterized in that: The other end of the connecting flange (3) is provided with multiple third screw holes (14).

3. The shielded pump stator with an integrated flange shielding sleeve structure according to claim 1, characterized in that: The inner wall of the second mounting plate (11) and the outer side of the inner metal shielding shell (2) are in contact.

4. The shielded pump stator with an integrated flange shielding sleeve structure according to claim 1, characterized in that: The integrated shielding shell (1) and the inner metal shielding shell (2) are manufactured by integral molding.

5. The shielded pump stator with an integrated flange shielding sleeve structure according to claim 1, characterized in that: The inner diameter of the first mounting hole (9) is equal to the outer diameter of the first bolt (10).

6. The shielded pump stator with an integrated flange shielding sleeve structure according to claim 1, characterized in that: The inner diameter of the second mounting hole (12) is equal to the outer diameter of the second bolt (13).

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