CN218040994U - Pump motor box cover and pump - Google Patents

Abstract

The utility model belongs to the technical field of the pump, a motor box cover for pump and a pump are provided, the motor box cover for pump comprises a motor box cover which is connected with a motor frame of the pump, the bottom of the motor box cover is provided with a bulge, and the bulge is inserted into one end of the motor frame and is in interference fit with the motor frame; a wire passing hole is formed in the motor box cover, and a connecting wire of a motor arranged in the pump passes through the wire passing hole to be connected with a control module of the pump; the line ball board, it can dismantle and connect in the motor box lid, and the connecting wire is fixed between line ball board and the motor box lid. The utility model discloses a motor box lid for pump shifts out the PCB board from the inside of pump to use in the form installation of external module ization, the inside space of rational utilization frame and actuating motor.

Description

Pump motor box cover and pump

Technical Field

The utility model belongs to the technical field of the pump, especially, relate to a motor box cover and pump for pump.

Background

In the structure of the existing pump, a PCB is disposed at the axial bottom of a motor base and has an outer shape or a circumferential profile substantially the same as an axial end of a driving motor, and the PCB is further provided with an outlet switching interface for connecting a power line or a signal line.

However, the working space inside the pump is narrow, and the occupied space of the PCB at the bottom of the machine base is large, so that the whole structure of the pump is increased, and the pump cannot adapt to occasions with small space size. And the installation position of the PCB board is close to the driving motor, and the heat generated by the PCB board can be transferred to the motor, thereby influencing the working efficiency of the motor. In addition, the heat generated by the operation of the pump body can be transferred to the PCB, and the normal work of the PCB is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a motor box cover for pump to shift out the PCB board from the inside of pump, use with the form installation of external module ization, the inside space of rational utilization frame and CD-ROM drive motor.

Another object of the utility model is to provide a pump utilizes above-mentioned motor lid for pump, through the space of the inside of rational use motor frame, reduces the overall structure size of pump to increase the suitability of pump in narrow space.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a motor box cover for pump, include:

the motor box cover is connected to a motor base of the pump, and a protruding part is arranged at the bottom of the motor box cover and inserted into one end of the motor base and is in interference fit with the motor base;

a wire passing hole is formed in the motor box cover, and a connecting wire of a motor arranged in the pump penetrates through the wire passing hole to be connected with a control module of the pump;

the wire pressing plate is detachably connected with the motor box cover, and the connecting wire is fixed between the wire pressing plate and the motor box cover.

Preferably, the motor box cover is provided with a first fastening hole, the motor base is correspondingly provided with a first threaded hole, and the motor box cover and the motor base are fastened through a first screw.

Preferably, the motor box cover is provided with a wire pressing plate mounting groove, one end of the wire pressing plate is inserted into the wire pressing plate mounting groove, and the wire pressing plate is in interference fit with the wire pressing plate mounting groove.

Preferably, the wire pressing plate and/or the motor box cover are/is provided with a connecting wire mounting groove, and the connecting wire is in interference fit in the connecting wire mounting groove.

Preferably, the wire pressing plate is provided with three connecting wire mounting grooves arranged in parallel.

Preferably, a second fastening hole is formed between two adjacent connecting wire mounting grooves, a positioning fastening column is arranged in the tension disc mounting groove, and the positioning fastening column is inserted into the second fastening hole and in interference fit with the second fastening hole.

Preferably, buckles are arranged on two sides of the wire pressing plate mounting groove, and the buckle buckles press the wire pressing plate in the wire pressing plate mounting groove.

Preferably, the line ball board mounting groove comprises arc groove sections, the arc groove sections are arranged on two sides close to the line passing holes, arc portions are correspondingly arranged on the line ball board and embedded into the arc groove sections, and the arc portions are in interference fit with the arc groove sections.

Preferably, one side of the tension disc is provided with a fixed plug, the fixed plug is positioned on the opposite side of the connecting line, a tension groove is correspondingly arranged on the tension disc mounting groove, and the fixed plug is inserted into the tension groove and is in interference fit with the tension groove.

The utility model also provides a pump, include the motor box lid for the pump.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in be provided with the bellying in the bottom of motor box lid, this bellying inserts in the motor frame, with motor frame interference fit to guarantee and motor frame between sealed.

The utility model discloses a well control module with the pump no longer installs inside the motor frame, has realized that control module's signal drive and electromechanical part's structure are as an solitary module respectively, and control module can install in arbitrary position, the production arrangement of being convenient for according to customer's demand.

And because the control module is not installed in the motor base, a certain space is reserved in the motor base, the bottom of the motor box cover is provided with the protruding part, and the protruding part is inserted into the motor base and installed in interference fit with the motor base, so that the axial size of the pump is further reduced, the overall size of the pump is reduced, the pump can adapt to the environment with limited installation space, and the application scene and the use environment adaptability of the pump are improved.

In addition, the motor and the control module are separately arranged, so that the influence of heat generated by the control module on the motor in the motor base is reduced, the performance of the pump can be ensured, and the service life of the pump can be prolonged.

Drawings

FIG. 1 is an exploded view of a portion of the pump of the present invention;

fig. 2 is a front view of a pump motor case cover according to the present invention;

fig. 3 isbase:Sub>A schematic view of the structure in the directionbase:Sub>A-base:Sub>A of fig. 2 according to the present invention;

fig. 4 is a schematic structural view of a first angle of a cover of a pump motor case according to the present invention;

fig. 5 is a schematic structural view of a second angle of the motor case cover for a pump according to the present invention;

fig. 6 is a schematic structural view of a third angle of the motor case cover for a pump according to the present invention;

fig. 7 is a schematic view of a first angle structure of the motor case cover according to the present invention;

fig. 8 is a schematic view of a second angle of the motor case cover according to the present invention;

fig. 9 is a side view of the motor case cover of the present invention;

fig. 10 is a front view of the tension disc of the present invention;

fig. 11 is a rear view of the tension disc of the present invention.

Wherein, 1, motor base; 2. a motor box cover; 3. a wire passing hole; 4. a boss portion; 5. a wire pressing plate; 6. a wire pressing plate mounting groove; 7. a first fastening hole; 8. a second fastening hole; 9. a connecting wire mounting groove; 10. buckling; 11. a first screw; 12. a shielding sleeve; 13. a first seal ring; 14. an impeller assembly; 15. a connecting wire; 16. a circular arc groove section; 17. an arc portion; 19. fixing the plug; 20. pressing a groove; 21. positioning fastening columns, 22 and a motor; 23. and a second seal ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 11, the present embodiment provides a pump motor case cover, which includes a motor case cover 2 and a tension plate 5, wherein the motor case cover 2 is connected to a motor base 1, a protruding portion 4 is provided at the bottom of the motor case cover 2, and the protruding portion 4 is inserted into one end of the motor base 1 and is in interference fit with the motor base 1. The motor box cover 2 is provided with a wire passing hole 3, and a connecting wire 15 of a motor arranged in the pump passes through the wire passing hole 3 to be connected with a control module of the pump. Line ball board 5 can be dismantled and connect in motor box cover 2, and connecting wire 15 is fixed between line ball board 5 and motor box cover 2.

In this embodiment, the bottom of the motor case cover 2 is provided with a protruding portion 4, and the protruding portion 4 is inserted into the motor base 1 and is in interference fit with the motor base 1, so as to ensure sealing between the motor case cover and the motor base 1.

In the embodiment, the control module of the pump is not installed in the motor base 1 any more, so that the signal driving of the control module and the structure of the mechanical part of the motor are respectively used as an independent module, and the control module can be installed at any position according to the requirements of customers, thereby facilitating production arrangement.

And because the control module is not installed in the motor base 1, a certain space is reserved in the motor base 1, the bottom of the motor box cover 2 is provided with the protruding portion 4, the protruding portion 4 is inserted into the motor base 1 and installed in an interference fit mode with the motor base 1, the size of the pump in the axial direction is further reduced, the overall size of the pump is further reduced, the pump can adapt to the environment with limited installation space, and the application scene and the use environment adaptability of the pump are improved.

In addition, the motor and the control module are separately arranged, so that the influence of heat generated by the control module on the motor in the motor base 1 is reduced, the performance of the pump can be ensured, and the service life of the pump can be prolonged.

The motor box cover 2 in the embodiment has a small structural volume, the protruding portion 4 and the motor base 1 are connected in an interference fit plug-in connection mode, and the structure is simple.

In addition, each structure is in modular design, and the efficiency in batch production is improved.

The control module of the pump is a control panel which controls the pump to work normally.

In addition, the range value of the interference between the protruding part 4 and the motor base 1 is 0.05-0.2mm, and the interference range can ensure that the motor box cover 2 and the motor base 1 are stably installed and cannot fall off due to motor vibration. In addition, because the motor box cover 2 and the motor base 1 in the embodiment are both injection-molded plastic parts, the range of the interference is set, and the motor box cover 2 convenient to detach is required to be ensured, so that the structure inside the motor base 1 is convenient to maintain, and the structure of the motor base 1 and the structure of the motor box cover 2 cannot be damaged due to the large interference when detaching.

Preferably, the protruding portion 4 provided on the motor case cover 2 in this embodiment is a protruding portion 4 protruding and extending from the bottom of the motor case cover 2 to one side of the motor base 1, and a groove is formed on the other side of the motor case cover 2.

Because of motor box cover 2 is the working of plastics of moulding plastics, should set up the use amount that can reduce 2 injection moulding's of motor box cover plastics, can also reduce the weight of this motor box cover 2.

Preferably, the motor box cover 2 is provided with a first fastening hole 7, the motor base 1 is correspondingly provided with a first threaded hole, and the motor box cover 2 and the motor base 1 are fastened through a first screw 11.

After the boss 4 of the motor box cover 2 is inserted into the motor base 1, the first screw 11 passes through the first fastening hole 7 to be in threaded connection with the first threaded hole on the motor base 1.

Motor box base is circular in this embodiment, and this first fastening hole 7 is along circumference equipartition on circular shape motor box base, and this first fastening hole 7 is located the outside of line ball board 5.

Preferably, there are three first fastening holes 7.

Preferably, motor case lid 2 is last to be seted up pressure line board mounting groove 6, and the one end of pressure line board 5 is inserted and is pressed in line board mounting groove 6, and pressure line board 5 and 6 interference fit in pressure line board mounting groove.

In this embodiment, interference fit between line ball board 5 and the line ball board mounting groove 6 guarantees to seal between line ball board 5 and the line ball board installation 6, prevents that outside liquid from getting into in the motor frame 1 from the clearance between the two.

Above-mentioned line ball board mounting groove 6 and above-mentioned bellying 4 integrated into one piece, the motor case lid 2 injection moulding of being convenient for.

In this embodiment, as shown in fig. 9, the wire-pressing plate mounting groove 6 is partially located inside the protruding portion 4, partially extends in the direction of the motor, and protrudes outside the protruding portion 4.

Preferably, the wire pressing plate 5 and/or the motor box cover 2 are/is provided with a connecting wire mounting groove 9, and the connecting wire 15 is in interference fit in the connecting wire mounting groove 9.

In this embodiment, the connecting wire 15 passing through the wire passing hole 3 from the inside of the motor base 1 can be stably fixed, and the connecting wire 15 can be installed in the connecting wire installation groove 9 and then can seal the gap between the connecting wire 15 and the wire passing hole 3.

In the present embodiment, as shown in fig. 8 and 11, the connecting wire mounting grooves 9 are provided in both the tension disc 5 and the tension disc mounting groove 6 of the motor case cover 2.

In this embodiment, utilize line ball board 5 to carry out the pressure equipment to connecting wire 15 fixed and sealed, need not to mould plastics the rubber coating sealed, can realize waterproof insulating effect.

Preferably, three connecting wire mounting grooves 9 arranged in parallel are formed in the tension disc 5, a second fastening hole 8 is formed between every two adjacent connecting wire mounting grooves 9, a second threaded hole is formed in the motor box cover 2, and the tension disc 5 and the motor box cover 2 are fastened through a second screw. The second screw passes second fastening hole 8 and motor case lid 2's second screw hole threaded connection, and the second screw can also compress tightly connecting wire 15 that is located the recess when fastening line ball board 5, connecting wire 15 and 9 interference fit of connecting wire mounting groove to realize the clearance between sealed pressure strip and the connecting wire 15, inside avoiding outside liquid to get into the pump, influence the motor work in the motor frame 1.

The range of the interference between the connecting wire 15 and the connecting wire mounting groove 9 in this embodiment is 0.01-0.05mm. Compress tightly connecting wire 15 with guaranteeing line ball board 5, make between 15 and the connecting wire mounting groove 9 sealed, can also guarantee that connecting wire 15 can not be crowded hindering convenient to detach in connecting wire mounting groove 9.

Preferably, a second fastening hole 8 is arranged between two adjacent connecting wire installation grooves 9, a positioning fastening column 21 is arranged in the wire pressing plate installation groove 6, and the positioning fastening column 21 is inserted into the second fastening hole 8 and is in interference fit with the second fastening hole 8.

Set up location fastening post 21 in tension disc mounting groove 6 to insert in second fastening hole 8, fix a position tension disc 5, so that the connecting wire can accurately be impressed in above-mentioned connecting wire mounting groove 9. Simultaneously, fix a position fastening post 21 and second fastening hole 8 interference fit to seal second fastening hole 8.

In this embodiment, two positioning fastening columns 21 are arranged between every two adjacent connecting line mounting grooves 6 so as to press the connecting line 15 which penetrates out of the line pressing plates 5 from the line passing hole 3.

The interference magnitude between the positioning fastening column 21 and the second fastening hole 8 ranges from 0.02 mm to 0.05mm.

Preferably, the two sides of the wire pressing plate mounting groove 6 are provided with buckles 10, and the buckles 10 clamp the wire pressing plate 5 positioned in the wire pressing plate mounting groove 6.

Preferably, the catches 10 are located adjacent to both sides of the positioning fastening post 21. Through buckle 10 straining line ball board 5, prevent that line ball board 5 from dropping.

Preferably, line ball board mounting groove 6 includes circular arc groove section 16, and it sets up in the both sides that are close to wire passing hole 3, corresponds on the line ball board 5 and is provided with circular arc portion 17, and circular arc portion 17 imbeds in the circular arc groove section 16, circular arc portion 17 and 16 interference fit of circular arc groove section.

The arc portion 17 is embedded in the arc groove section 16, and the arc portion 17 is arranged to prevent the tension disc 5 from moving in the tension disc mounting groove 6 along the length direction of the connecting wire 15. Meanwhile, the two are in interference fit, and the gap sealing between the arc part 17 and the arc groove section 16 can be ensured.

Preferably, the interference between the circular arc portion 17 and the circular arc groove section 16 is in the range of 0.03-0.1mm.

Preferably, one side of the tension disc 5 is provided with a fixed plug 19, the fixed plug 19 is positioned at the opposite side of the connecting wire 15, the tension disc mounting groove 6 is correspondingly provided with a tension groove 20, and the fixed plug 19 is inserted into the tension groove 20 and is in interference fit with the tension groove 20.

The two fixed plugs 19 arranged on the line pressing plate 5 are located between the two arc groove sections 16, and the two fixed plugs 19 are spaced by a first preset distance. The fixing plug 19 is provided for fixing one end of the tension disc 5, so that the connecting cable 15 between the tension disc 5 and the motor case cover 2 can be better fastened. Meanwhile, the fixed plug 19 is in interference fit with the motor box cover 2 to ensure that the fixed plug 19 is sealed with the pressure groove 20 through interference fit, and external liquid is prevented from entering the motor base of the pump.

The interference range between the fixed plug 19 and the pressure groove 20 is 0.02-0.1mm, so that the fixed plug and the pressure groove can be firmly connected, sealing is realized, and assembly and disassembly are facilitated.

The embodiment also provides a pump, which comprises a motor box cover for the pump. The pump reasonably uses the internal space of the motor base, reduces the overall structure size of the pump, and therefore increases the applicability of the pump in narrow space.

The pump in this embodiment is a canned pump.

In this embodiment, the pump further includes a motor 22, a shielding sleeve 12, a first sealing ring 13, an impeller assembly 14, and a second sealing ring 23, wherein the motor 22 is installed inside the motor base 1, the shielding sleeve 12 is installed at one end of the motor 22, the shielding sleeve 12 and the motor box cover for the pump are respectively located at two ends of the motor 22, the first sealing ring 13 is disposed between the shielding sleeve 12 and the motor 22, one end of the impeller assembly 14 passes through the sealing ring 13 and is inserted into the shielding sleeve 12, the impeller assembly 14 is fastened to the shielding sleeve 12, and the second sealing ring 23 is installed between the shielding sleeve 12 and the impeller assembly 14.

It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a motor box cover for pump which characterized in that includes:

the pump comprises a motor box cover (2) connected to a motor base (1) of the pump, wherein a protruding part (4) is arranged at the bottom of the motor box cover (2), and the protruding part (4) is inserted into one end of the motor base (1) and is in interference fit with the motor base (1);

a wire passing hole (3) is formed in the motor box cover (2), and a connecting wire (15) of a motor arranged in the pump penetrates through the wire passing hole (3) to be connected with a control module of the pump;

line ball board (5), it can dismantle connect in motor box cover (2), connecting wire (15) are fixed between line ball board (5) and motor box cover (2).

2. The motor box cover for the pump according to claim 1, wherein the motor box cover (2) is provided with a first fastening hole (7), the motor base (1) is correspondingly provided with a first threaded hole, and the motor box cover (2) and the motor base (1) are fastened through a first screw (11).

3. The pump motor box cover according to claim 1, wherein a tension plate mounting groove (6) is formed in the motor box cover (2), one end of the tension plate (5) is inserted into the tension plate mounting groove (6), and the tension plate (5) is in interference fit with the tension plate mounting groove (6).

4. The motor case cover for the pump according to any one of claims 1 to 3, wherein a connecting wire mounting groove (9) is provided on the pressure plate (5) and/or the motor case cover (2), and the connecting wire (15) is interference-fitted in the connecting wire mounting groove (9).

5. The motor case cover for the pump according to claim 3, wherein the tension disc (5) is provided with three connecting wire mounting grooves (9) arranged in parallel.

6. The motor case cover for the pump according to claim 5, wherein a second fastening hole (8) is provided between two adjacent connecting wire mounting grooves (9), a positioning fastening column (21) is provided in the wire pressing plate mounting groove (6), and the positioning fastening column (21) is inserted into the second fastening hole (8) and is in interference fit with the second fastening hole (8).

7. The motor case cover for pump according to claim 5, wherein a snap (10) is provided at both sides of the pressure plate mounting groove (6), and the snap (10) snaps the pressure plate (5) positioned in the pressure plate mounting groove (6).

8. The pump motor box cover according to claim 7, wherein the wire pressing plate mounting groove (6) comprises arc groove sections (16) which are arranged at two sides close to the wire passing hole (3), the wire pressing plate (5) is correspondingly provided with arc parts (17), the arc parts (17) are embedded into the arc groove sections (16), and the arc parts are in interference fit with the arc groove sections (16).

9. The pump motor box cover according to claim 3, wherein a fixing plug (19) is provided on one side of the tension disc (5), the fixing plug (19) is located on the opposite side of the connecting wire (15), a compression groove (20) is correspondingly provided on the tension disc mounting groove (6), and the fixing plug (19) is inserted into the compression groove (20) and is in interference fit with the compression groove (20).

10. A pump comprising a motor case cover for a pump according to any one of claims 1 to 9.

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