Shell structure of permanent-magnet variable-frequency filling magnetic drive pump

Abstract

The utility model discloses a permanent magnet frequency conversion filling magnetic drive pump shell structure which comprises a shell, a mounting flange and an annular protrusion which are poured into an integrated structure. The shell is provided with a reinforcing structure and a concentric positioning structure; the reinforcing structure is provided with a wire box structure; the concentric positioning structure comprises a first installation groove, a second positioning groove, a third annular protruding block, a fourth positioning groove and a fifth positioning groove which are arranged on the same central axis. The integrated design of the shell, the installation flange and the annular protrusion is achieved in a pouring forming mode, and therefore the overall strength and stability of the structure are improved, and the manufacturing cost is reduced; the concentric positioning structure is arranged to provide multiple concentric positioning, so that quick positioning and assembly matching precision during subsequent motor winding installation are improved, the problem of concentricity deviation is solved, and subsequent assembly quality and use performance are guaranteed.

Description

Technical Field

[0001] This utility model relates to the technical field of permanent magnet variable frequency magnetic pumps, and specifically to a housing structure for a permanent magnet variable frequency filling magnetic pump. Background Technology

[0002] Permanent magnet variable frequency drive pumps are fluid transfer devices widely used in industries such as chemical, pharmaceutical, petroleum, and food processing. These pumps transmit power through permanent magnet coupling, avoiding the leakage problems of traditional mechanical seals and improving safety and reliability. However, existing permanent magnet variable frequency drive pumps still have some shortcomings in their casing structure design. For example, traditional casing structures are often assembled from multiple parts, which not only increases manufacturing costs and assembly difficulty but also reduces overall strength and stability. Furthermore, existing casing structures also have limitations in thermal management, positioning accuracy, and the installation and protection of electrical components. Utility Model Content

[0003] This utility model addresses the shortcomings of current technology by providing a permanent magnet variable frequency filling magnetic pump housing structure, aiming to solve the technical problems of low assembly efficiency and limited use of existing permanent magnet variable frequency filling magnetic pump housing structures.

[0004] The technical solution adopted by this utility model to achieve the above objectives is as follows:

[0005] A permanent magnet variable frequency filling magnetic pump housing structure includes a housing and a mounting flange. The housing is disposed at one end of the mounting flange, and the other end of the mounting flange is provided with an annular protrusion. The housing, mounting flange, and annular protrusion are integrally formed by casting. The housing is provided with a reinforcing structure and a concentric positioning structure. The reinforcing structure is provided with a wire box structure.

[0006] As a further improvement, the concentric positioning structure includes a first mounting groove, a second positioning groove, a third annular protrusion, a fourth positioning groove, and a fifth positioning groove; the first mounting groove, the second positioning groove, the third annular protrusion, the fourth positioning groove, and the fifth positioning groove are all arranged on the same central axis.

[0007] As a further improvement, the reinforcing structure is disposed on the outer end face of the housing; the reinforcing structure includes multiple reinforcing ribs, which are arranged in an array on the outer end face of the housing.

[0008] As a further improvement, the reinforcing ribs are spaced at equal intervals, and multiple equal intervals are used to form a heat dissipation groove structure.

[0009] As a further improvement, the junction box structure includes a frame, the frame is provided with a mounting groove, and each of the four inner corners of the frame is provided with a reinforcing post, and each reinforcing post is provided with a threaded hole.

[0010] As a further improvement, the mounting groove is also provided with multiple protrusions, an adhesive inlet, and a ground wire connection protrusion, and all of the multiple protrusions and the ground wire connection protrusion are provided with fixing threaded holes; the housing is provided with a cavity, and the adhesive inlet is connected to the cavity; the frame is also provided with a through hole.

[0011] As a further improvement, the housing is also provided with a fan-shaped recessed structure, which extends from the outer surface of the housing to one surface of the frame; the housing is also provided with multiple foolproof mounting planes and multiple cylinders, and each of the foolproof mounting planes and cylinders is provided with a threaded hole.

[0012] As a further improvement, the annular protrusion is also provided with a groove; the mounting flange is also provided with a sealing ring groove and multiple through holes, which are arranged in a ring array between the edge of the mounting flange and the sealing ring groove.

[0013] The beneficial effects of this utility model are as follows: This utility model achieves an integrated design of the shell, mounting flange, and annular protrusion through casting molding, thereby improving the overall strength and stability of the structure and reducing manufacturing costs; by setting a concentric positioning structure consisting of a first mounting groove, a second positioning groove, a third annular protrusion, a fourth positioning groove, and a fifth positioning groove within the shell, multiple concentric positioning is provided, thereby enabling rapid positioning and precise assembly during subsequent motor winding installation, solving the problem of concentricity deviation, and ensuring the quality and performance of subsequent assembly; by setting a reinforcing structure to improve the overall strength of the shell, the service life of the permanent magnet variable frequency filling magnetic pump shell structure is increased; the shell structure also features a specially designed wire box structure, heat dissipation groove structure, and multiple positioning and installation structures to improve the installation convenience and safety of electrical components, further enhancing the working performance and reliability of the permanent magnet variable frequency magnetic pump.

[0014] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1This is a schematic diagram of the overall structure of the permanent magnet variable frequency filling magnetic pump housing in this embodiment;

[0017] Figure 2 This is a rear view schematic diagram of the housing structure of the permanent magnet variable frequency filling magnetic pump in this embodiment;

[0018] Figure 3 This is a top view of the housing structure of the permanent magnet variable frequency filling magnetic pump in this embodiment. Detailed Implementation

[0019] The following description is only a preferred embodiment of the present invention and does not limit the scope of protection of the present invention.

[0020] For examples, see the appendix. Figures 1-3 A permanent magnet variable frequency filling magnetic pump housing structure 1 includes a housing 2 and a mounting flange 3. The housing 2 is disposed at one end of the mounting flange 3, and the other end of the mounting flange 3 is provided with an annular protrusion 4. The housing 2, the mounting flange 3 and the annular protrusion 4 are integrally formed by casting. The housing 2 is provided with a reinforcing structure 5 and a concentric positioning structure 6. The reinforcing structure 5 is provided with a wire box structure 7.

[0021] The concentric positioning structure 6 includes a first mounting groove 60, a second positioning groove 61, a third annular protrusion 62, a fourth positioning groove 63, and a fifth positioning groove 64. The first mounting groove 60, the second positioning groove 61, the third annular protrusion 62, the fourth positioning groove 63, and the fifth positioning groove 64 are all arranged on the same central axis. By setting the concentric positioning structure 6, multiple concentric positioning structures 6 are provided, thereby enabling rapid positioning and precise fit during subsequent motor winding installation, solving the problem of concentricity deviation, and ensuring the quality and performance of subsequent assembly.

[0022] The reinforcing structure 5 is disposed on the outer end face of the housing 2; the reinforcing structure 5 includes multiple reinforcing ribs 50, which are arranged in an array on the outer end face of the housing 2. The reinforcing structure 5 is used to improve the overall strength of the housing 2 and increase the service life of the permanent magnet variable frequency filling magnetic pump housing structure 1; the reinforcing ribs 50 are provided with equal spacing 51 between them, and the multiple equal spacings 51 are used to form a heat dissipation groove structure. The heat dissipation structure is used for heat dissipation, thereby improving heat dissipation efficiency.

[0023] The wire box structure 7 includes a frame 70, the frame 70 is provided with a mounting groove 71, and each of the four inner corners of the frame 70 is provided with a reinforcing post 72, each of the reinforcing post 72 is provided with a threaded hole. The wire box structure 7 is used for the placement and protection of the circuit board, and the reinforcing post 72 is used to improve the overall strength of the wire box structure 7 and improve the protection performance.

[0024] The mounting groove 71 is further provided with multiple protrusions 710, a glue inlet 711, and a ground wire connection protrusion 712. Each of the multiple protrusions 710 and the ground wire connection protrusion 712 has a fixing threaded hole. The multiple protrusions 710 serve to elevate the terminal block, thereby facilitating heat dissipation between the bottom of the terminal block and the bottom surface of the mounting groove 71. The housing 2 has a cavity, and the glue inlet 711 is connected to the cavity. The frame 70 also has a through hole, and the glue inlet 711 is located within the mounting groove 71, making the entire permanent magnet variable frequency filling magnetic pump housing structure 1 more concise. The ground wire connection protrusion 712 is used to improve the contact area and efficiency of subsequent ground wire connections, thereby preventing the accumulation of static electricity due to poor ground wire contact and improving operational safety.

[0025] The housing 2 is also provided with a fan-shaped recessed structure, which extends from the outer surface of the housing 2 to one surface of the frame 70. The fan-shaped recessed structure is used to expose the through hole, thereby facilitating the subsequent cable extension, preventing the cable from being pressed or scratched, improving the compactness of the subsequent pump housing or outer cover installation, and increasing the aesthetics. The housing 2 is also provided with multiple foolproof mounting planes and multiple cylinders. Each foolproof mounting plane and cylinder is provided with a threaded hole. The foolproof mounting planes are used to prevent foolproof installation when fixing the outer cover or pump housing, improving the efficiency of installation positioning.

[0026] The annular protrusion 4 is also provided with a groove, and the annular protrusion 4 and the groove are used for positioning and fitting during assembly; the mounting flange 3 is also provided with a sealing ring groove and multiple through holes, and the multiple through holes are arranged in a ring array between the edge of the mounting flange 3 and the sealing ring groove.

[0027] This invention achieves an integrated design of the shell, mounting flange, and annular protrusion through casting molding, thereby improving the overall strength and stability of the structure and reducing manufacturing costs. By providing a concentric positioning structure within the shell, consisting of a first mounting groove, a second positioning groove, a third annular protrusion 710, a fourth positioning groove, and a fifth positioning groove, multiple concentric positioning methods are provided. This ensures rapid positioning and precise assembly during subsequent motor winding installation, solving the problem of concentricity deviation and guaranteeing the quality and performance of subsequent assembly. A reinforcing structure is incorporated to enhance the overall strength of the shell and extend its service life. Furthermore, the shell structure features a specially designed junction box structure, a heat dissipation groove structure, and various positioning and installation structures to improve the ease and safety of electrical component installation, further enhancing the working performance and reliability of the permanent magnet variable frequency pump.

[0028] This utility model is not limited to the above-described embodiments. Other structures for permanent magnet variable frequency filling magnetic pump housings obtained by using the same or similar structures, devices, processes or methods as the above-described embodiments of this utility model are all within the protection scope of this utility model.

Claims

1. A permanent magnet variable frequency filling magnetic pump shell structure, characterized in that: The shell structure comprises a shell and a mounting flange, the shell is arranged at one end of the mounting flange, and the other end of the mounting flange is provided with an annular protrusion; the shell, the mounting flange and the annular protrusion are integrally formed in a cast forming mode; the shell is provided with a reinforcing structure and a concentric positioning structure; the reinforcing structure is provided with a wire box structure.

2. The permanent magnet variable frequency filling magnetic pump shell structure according to claim 1, characterized in that: The concentric positioning structure comprises a first mounting groove, a second positioning groove, a third annular protrusion, a fourth positioning groove and a fifth positioning groove; the first mounting groove, the second positioning groove, the third annular protrusion, the fourth positioning groove and the fifth positioning groove are arranged on the same central axis.

3. The permanent magnet variable frequency filling magnetic pump shell structure according to claim 2, characterized in that: The reinforcing structure is arranged on the outer end surface of the shell; the reinforcing structure comprises a plurality of reinforcing ribs, and the plurality of reinforcing ribs are arranged on the outer end surface of the shell in an array mode.

4. The permanent magnet variable frequency filling magnetic pump shell structure according to claim 3, characterized in that: The reinforcing ribs and the reinforcing ribs are provided with equal intervals, and the plurality of equal intervals are used to form a heat dissipation groove structure.

5. The permanent magnet variable frequency filling magnetic pump shell structure according to claim 4, characterized in that: The wire box structure comprises a frame, the frame is provided with a mounting groove, four inner corner portions of the frame are provided with reinforcing columns, and the reinforcing columns are provided with threaded holes.

6. The permanent magnet variable frequency filling magnetic pump shell structure according to claim 5, characterized in that: The mounting groove is also provided with a plurality of protrusions, a glue pouring port and a ground wire connecting protrusion, and the plurality of protrusions and the ground wire connecting protrusion are provided with fixed threaded holes; the shell is provided with a cavity, the glue pouring port is connected and communicated with the cavity; the frame is also provided with a through hole.

7. The permanent magnet variable frequency filling magnetic pump shell structure according to claim 6, characterized in that: The shell is also provided with a fan-shaped concave structure, the fan-shaped concave structure extends from the outer surface of the shell to a surface of the frame; the shell is also provided with a plurality of foolproof installation planes and a plurality of cylinders, and the foolproof installation planes and the cylinders are provided with threaded holes.

8. The permanent magnet variable frequency filling magnetic pump shell structure according to claim 7, characterized in that: The annular protrusion is also provided with a groove one; the mounting flange is also provided with a sealing ring groove and a plurality of through holes one, and the plurality of through holes one are arranged between the edge of the mounting flange and the sealing ring groove in an annular array mode.

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