CN218829380U - Motor structure of pump - Google Patents
Motor structure of pump Download PDFInfo
- Publication number
- CN218829380U CN218829380U CN202222477523.8U CN202222477523U CN218829380U CN 218829380 U CN218829380 U CN 218829380U CN 202222477523 U CN202222477523 U CN 202222477523U CN 218829380 U CN218829380 U CN 218829380U
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- mounting cover
- shell
- rotating shaft
- pump
- pump body
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Abstract
The utility model discloses a motor structure of a pump, which comprises a pump body, a stator component, a rotor component and an electrical component; the stator assembly comprises a shell and magnetic shoes fixed on the side wall of the shell; the rotor assembly comprises a rotating shaft, a winding and a commutator which are sleeved on the rotating shaft; the electrical appliance component comprises an installation cover, a carbon brush and a plurality of electrical appliance elements; a closed cavity is enclosed among the pump body, the shell and the mounting cover; two ends of the rotating shaft are respectively in rotating fit with the pump body and the mounting cover, and a first bearing for the rotating fit of the rotating shaft is integrally formed on the mounting cover in an injection molding mode; the mounting bases of the carbon brushes are integrally molded on the mounting cover and are centrosymmetric by taking the rotating shaft as a central line; the electrical components are all embedded on the mounting cover. The utility model discloses can simplify the structure of motor, reduce the volume, improve the stability of operation simultaneously.
Description
Technical Field
The utility model relates to the technical field of electric machines, especially indicate a motor structure of pump.
Background
The diaphragm pump depends on the eccentric angle of the eccentric wheel, and converts the rotation motion of the motor into the reciprocating motion of the piston through the tight connection among the motor shaft, the eccentric wheel, the bearing frame and the piston, thereby changing the volume of the working cavity to suck and discharge water.
Diaphragm pumps are commonly used for flow control, and in some application scenarios, have a small volume requirement. The general volume ratio of present motor structure is bigger, can't satisfy the application demand of small-size, and the high temperature that produces in the operation process of motor simultaneously leads to the welding department fracture between each electrical components of motor and its circuit board easily, and then leads to the motor to become invalid.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a motor structure of pump can simplify the structure of motor, reduce the volume, improves the stability of operation simultaneously.
In order to achieve the above purpose, the solution of the present invention is:
a motor structure of a pump comprises a pump body, a stator assembly, a rotor assembly and an electrical appliance assembly; the stator assembly comprises a shell and magnetic shoes fixed on the side wall of the shell; the rotor assembly comprises a rotating shaft, and a winding and a commutator which are sleeved on the rotating shaft; the electrical component comprises an installation cover, a carbon brush and a plurality of electrical elements; a closed cavity is enclosed among the pump body, the shell and the mounting cover; two ends of the rotating shaft are respectively in rotating fit with the pump body and the mounting cover, and a first bearing for the rotating fit of the rotating shaft is integrally formed on the mounting cover in an injection molding mode; the mounting seats of the carbon brushes are integrally molded on the mounting cover and are centrosymmetric by taking the rotating shaft as a central line; the electrical components are embedded on the mounting cover.
The carbon brush and the electrical appliance element are respectively provided with pins, and the pins are fixedly connected in a cold riveting mode.
The electrical component is located between the winding and the mounting cover in the axial direction of the rotating shaft.
The electrical components comprise a temperature protector, an anti-interference inductor and an anti-interference capacitor; the mounting cover is provided with a mounting groove for embedding each electrical element.
The pump body is provided with a second bearing for the rotating shaft to be in running fit with the rotating shaft, and the second bearing is integrally molded on the pump body.
The electrical component also comprises an external wire; and one end of the external wire is integrally injected on the mounting cover and is electrically connected with the carbon brush/electrical appliance element.
The motor structure of the pump also comprises at least two bolts; the pump body is provided with a first annular groove; the mounting cover is provided with an annular step; one end of the shell is embedded in the first annular groove, and the annular step is embedded at the other end of the shell; the bolt penetrates through the pump body and is in threaded connection with the mounting cover.
The mounting cover is provided with a screw hole for connecting the bolt with the screw thread.
The motor structure of the pump also comprises a motor shell and a sealing ring which are sleeved on the periphery of the shell; a second annular groove is formed in the pump body; the sealing ring is matched in the second annular groove; one end of the motor shell is embedded in the second annular groove and tightly presses the sealing ring, and the motor shell is locked on the pump body by screws.
Preferably, the motor shell is integrally connected with a plurality of foot seats; the foot seats are internally provided with rubber feet.
After the technical scheme is adopted, the utility model discloses following technological effect has:
(1) the first bearing and the carbon brush are integrally molded on the mounting cover, so that the coaxiality between the rotating shaft and the carbon brush as well as between the winding and the magnetic shoe can be improved, and meanwhile, the rotating shaft and the carbon brush cannot be loosened and loosened from the mounting cover due to the influence of temperature when the motor works, so that the working stability of the motor is improved;
(2) the installation between the electrical components of the motor is not realized by adopting a circuit board, but the electrical components are directly embedded on the installation cover to realize the electrical connection, so the design of the circuit board is saved, the structure is simplified, and the volume is reduced.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
FIG. 3 is a perspective view of an electrical component according to an embodiment of the present invention;
FIG. 4 is a perspective view of a mounting cover according to an embodiment of the present invention;
FIG. 5 is a plan view of a pump body according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of an embodiment of the present invention;
the reference numbers illustrate:
1-a pump body; 11-a first annular groove; 12- - -a second annular groove;
2-a stator assembly; 21- -a housing; 22- -magnetic shoe;
3- -a rotor assembly; 31- -a rotating shaft; 32- -a winding;
33-a commutator; 4- -electrical components; 41- -mounting a cover;
411- -mounting groove; 412- -annular step; 413- -screw hole;
42- -carbon brush; 43- -Electrical component; 431- -temperature protector;
432- -anti-interference inductance; 433 — anti-interference capacitance; 44- -a first bearing;
45- -a mount; 46- -external connection wire; 5- -a second bearing;
6- -bolt; 7- -motor housing; 71- -a foot seat;
8-a sealing ring; 9- -rubber feet; 10-line card.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in 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 obviously, the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as 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 of the present invention, all other embodiments obtained by a person of ordinary skill 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 and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be understood that the indicated positions or positional relationships are based on the positions or positional relationships shown in the drawings, or the positions or positional relationships that the products of the present invention are usually placed when in use, or the positions or positional relationships that those skilled in the art conventionally understand, and are merely simplified for the convenience of describing the embodiments of the present invention, and do not indicate or imply that the indicated devices or elements 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 for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the embodiments of the present invention, it should be further noted that unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be interpreted broadly, e.g., as either a fixed connection, a detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. 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.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.
In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Referring to fig. 1 to 6, the present invention discloses a motor structure of a pump, which includes a pump body 1, a stator assembly 2, a rotor assembly 3 and an electrical component 4;
the stator assembly 2 comprises a shell 21 and magnetic shoes 22 fixed on the side wall of the shell 21;
the rotor assembly 3 comprises a rotating shaft 31, a winding 32 and a commutator 33 which are sleeved on the rotating shaft 31;
the electrical component 4 comprises a mounting cover 41, a carbon brush 42 and a plurality of electrical components 43;
a closed chamber is enclosed among the pump body 1, the shell 21 and the mounting cover 41;
two ends of the rotating shaft 31 are respectively matched with the pump body 1 and the mounting cover 41 in a rotating way, and a first bearing 44 for the rotating shaft 31 to be matched in a rotating way is integrally formed on the mounting cover 41 in an injection molding way;
the mounting seat 45 of the carbon brush 42 is integrally molded on the mounting cover 41 and is centrosymmetric by taking the rotating shaft 31 as a central line;
the electrical components 43 are embedded in the mounting cover 41.
Specific embodiments of the present invention are shown below.
The carbon brush 42 and the electrical component 43 are respectively provided with pins, and the pins are fixedly connected by cold riveting. The pins of the carbon brush and the electrical elements are directly fixedly connected by adopting a cold riveting process, so that the electrical connection is realized, the electrical connection of the carbon brush 42 and the electrical elements 43 is more stable and is not easily influenced by external factors such as temperature, vibration and the like,
the electrical component 43 is located between the winding 32 and the mounting cover 41 in the axial direction of the rotating shaft 31, so that the radius of the motor part can be reduced, and the volume of the whole structure can be further reduced.
The electrical components 43 are the main components of a conventional motor, and may include a temperature protector 431, an anti-interference inductor 432, an anti-interference capacitor 433, etc., wherein the mounting cover 41 is provided with a mounting groove 411 for each electrical component 43 to be embedded, and the mounting groove 411 is adapted to the shapes of different electrical components 43. The electrical components 43 are embedded in the mounting cover 41, and the electrical components 43 are separated, so that the heat conduction among the electrical components 43 can be effectively reduced, and the motor is prevented from being overheated.
The pump body 1 is provided with the second bearing 5 for the rotating shaft 31 to be matched in a rotating mode, the second bearing 5 is integrally molded on the pump body 1 in an injection mode, and the coaxiality between the rotating shaft 31 and the carbon brushes 42 and the coaxiality between the winding 32 and the magnetic shoe 22 can be further improved.
The electrical component 4 further comprises an external wire 46; one end of the external wire 46 is integrally molded on the mounting cover 41 and is electrically connected with the carbon brush 42/the electrical appliance element 43; the other end of the external wire 46 is used for connecting a power supply device of the motor, such as a power connector, a battery and the like.
Meanwhile, the other end of the motor housing 7 is provided with a wire clamp 10 for inserting an electric wire and ensuring the sealing performance of the motor housing 7.
The utility model also comprises at least two bolts 6; the pump body 1 is provided with a first annular groove 11 for assembling the shell 21; the mounting cover 41 is provided with an annular step 412; one end of the shell 21 is embedded in the first annular groove 11, and the annular step 412 is embedded at the other end of the shell 21; the bolt 6 wears to locate pump body 1 and with installation lid 41 threaded connection to realize casing 21, installation lid 41 lock solid on pump body 1, the installation lid 41 can be done to the bolt 6 more than two simultaneously and carry out circumference spacing, makes it can bear the torsion of motor during operation and does not produce for pump body 1 and rotate, and then can satisfy the intensity demand of small motor (in small motor, casing 21 is thinner, can't bear the torsion of motor during operation).
Further, the mounting cover 41 is provided with a screw hole 413 to which the bolt 6 is screwed.
The pump body 1 may be a complete pump, such as a diaphragm pump, or may be a shell structure of the pump.
The utility model also comprises a motor shell 7 and a sealing ring 8 which are sleeved on the periphery of the shell 21; the pump body 1 is provided with a second annular groove 12 for assembling the motor shell 7; the sealing ring 8 is matched in the second annular groove 12; one end of the motor shell 7 is embedded in the second annular groove 12 and compresses the sealing ring 8, and the motor shell 7 is locked on the pump body 1 by screws. The motor shell 7 plays a role in protecting the electric appliance assembly 4 and simultaneously achieves a waterproof effect so as to adapt to the use environment of the diaphragm pump.
Further, the motor housing 7 is integrally connected with a plurality of foot seats 71, and the foot seats 71 are used for fixedly assembling the pump body 1 and the motor housing 7 into a whole, so that the diaphragm pump is locked in an application environment; the foot seat 71 and the motor shell 7 are integrally formed by injection molding, and screws are not needed to be used for locking during assembly, so that the assembly steps can be saved, and the efficiency can be improved.
Furthermore, the rubber feet 9 are arranged in the foot seats 71, so as to play a role of buffering after locking.
Through the scheme, the first bearing 44 and the carbon brush 42 are integrally molded on the mounting cover 41, so that the coaxiality between the rotating shaft 31 and the carbon brush 42 and between the winding 32 and the magnetic shoe 22 can be improved, and meanwhile, when the motor works, the rotating shaft 31 and the carbon brush 42 cannot be loosened and loosened from the mounting cover 41 due to the influence of temperature, so that the working stability of the motor is improved; the utility model discloses no longer adopt the circuit board to realize the installation between the electrical components 43 of motor, but directly inlay electrical components 43 and establish realization electricity on installation lid 41 and connect, consequently saved the design of circuit board for the structure becomes more simplified, the volume dwindles.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (10)
1. A motor structure of a pump, characterized in that:
the pump comprises a pump body, a stator assembly, a rotor assembly and an electrical appliance assembly;
the stator assembly comprises a shell and magnetic shoes fixed on the side wall of the shell;
the rotor assembly comprises a rotating shaft, and a winding and a commutator which are sleeved on the rotating shaft;
the electrical component comprises an installation cover, a carbon brush and a plurality of electrical elements;
a closed cavity is enclosed among the pump body, the shell and the mounting cover;
two ends of the rotating shaft are respectively in rotating fit with the pump body and the mounting cover, and a first bearing for the rotating fit of the rotating shaft is integrally formed on the mounting cover in an injection molding mode;
the mounting seats of the carbon brushes are integrally molded on the mounting cover and are centrosymmetric by taking the rotating shaft as a central line;
the electrical components are embedded in the mounting cover.
2. The pump motor structure according to claim 1, characterized in that:
the carbon brush and the electrical appliance element are respectively provided with pins, and the pins are fixedly connected in a cold riveting mode.
3. The pump motor structure according to claim 1, characterized in that:
the electrical component is located between the winding and the mounting cover in the axial direction of the rotating shaft.
4. The pump motor structure according to claim 1, characterized in that:
the electrical appliance element comprises a temperature protector, an anti-interference inductor and an anti-interference capacitor; the mounting cover is provided with a mounting groove for embedding each electrical element.
5. The pump motor structure according to claim 1, characterized in that:
the pump body is provided with a second bearing for the rotating shaft to be in running fit with, and the second bearing is integrally molded on the pump body.
6. The pump motor structure according to claim 1, characterized in that:
the electrical component also comprises an external wire; one end of the external wire is integrally molded on the mounting cover and is electrically connected with the carbon brush/electrical appliance element.
7. The pump motor structure according to claim 1, characterized in that:
the bolt also comprises at least two bolts; the pump body is provided with a first annular groove; the mounting cover is provided with an annular step; one end of the shell is embedded in the first annular groove, and the annular step is embedded at the other end of the shell; the bolt is arranged in the pump body in a penetrating way and is in threaded connection with the mounting cover.
8. The pump motor structure according to claim 7, characterized in that:
the mounting cover is provided with a screw hole for connecting the bolt with the screw thread.
9. The pump motor structure according to claim 1, characterized in that:
the motor is characterized by also comprising a motor shell and a sealing ring which are sleeved on the periphery of the shell; a second annular groove is formed in the pump body; the sealing ring is matched in the second annular groove; one end of the motor shell is embedded in the second annular groove and tightly presses the sealing ring, and the motor shell is locked on the pump body by screws.
10. The pump motor structure according to claim 9, characterized in that:
the motor shell is integrally connected with a plurality of foot seats; the foot seats are internally provided with rubber feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222477523.8U CN218829380U (en) | 2022-09-19 | 2022-09-19 | Motor structure of pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222477523.8U CN218829380U (en) | 2022-09-19 | 2022-09-19 | Motor structure of pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218829380U true CN218829380U (en) | 2023-04-07 |
Family
ID=87248945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222477523.8U Active CN218829380U (en) | 2022-09-19 | 2022-09-19 | Motor structure of pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218829380U (en) |
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2022
- 2022-09-19 CN CN202222477523.8U patent/CN218829380U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |