CN214958988U - Shaftless motor and water pump - Google Patents
Shaftless motor and water pump Download PDFInfo
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- CN214958988U CN214958988U CN202022858455.0U CN202022858455U CN214958988U CN 214958988 U CN214958988 U CN 214958988U CN 202022858455 U CN202022858455 U CN 202022858455U CN 214958988 U CN214958988 U CN 214958988U
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Abstract
The utility model discloses a shaftless motor and water pump, shaftless motor includes the organism, rotor block and stator block, the inside of organism is provided with the installation cavity, the rotor block sets up on the output terminal surface of organism, the rotor block can rotate around the rotation axis for the organism, be fixed with on the rotor block and use the rotation axis as a centre of a circle to be a plurality of permanent magnet magnetic poles that the annular interval set up, the stator block is fixed in the installation cavity, the stator block sets up with the rotation axis is coaxial, be provided with a plurality of annular armature windings on the stator block, armature winding and permanent magnet magnetic pole match each other, the armature winding circular telegram down produces the axial magnetic field that extends along the rotation axis, axial magnetic field drives the rotor block through driving permanent magnet magnetic pole and rotates around the rotation axis, shaftless drive has been realized, make the product volume reduce greatly than traditional product, installation space has been practiced thrift, and service life is prolonged, can satisfy waterproof performance, The dust-proof performance is required to be high. The water pump adopts the shaftless motor, and the water wheel is connected with the rotor body in a coaxial manner.
Description
Technical Field
The utility model relates to a technical field of motor, in particular to shaftless motor and water pump.
Background
The traditional motor generally comprises a rotor, a stator and an output shaft connected with the rotor, the output shaft is connected with a functional component, and the functional component can be a wind wheel, a water wheel and the like, so that the functions of blowing, pumping water and the like can be realized. The stability of drive just can be kept to rotatory output shaft needs stable support and bearing seal, but in actual operational environment, often receives the work that various factors influenced the output shaft for the performance of product is unstable, and the life-span is short, and the installation space that needs is big, and factor of safety is not high, can not satisfy waterproof performance, the occasion that dustproof performance required height uses.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shaftless motor and water pump to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.
The technical scheme adopted for solving the technical problems is as follows:
at first the utility model provides a shaftless motor, it includes: the rotor type motor comprises a motor body, a rotor body and a stator body, wherein the motor body is cylindrical in shape, an installation cavity is arranged inside the motor body, and an output end face is arranged outside the motor body; the rotor body is provided with a rotating axis, the rotor body is arranged on an output end surface outside the machine body, the axis of the machine body is coaxial with the rotating axis, the rotor body can rotate around the rotating axis relative to the machine body, a plurality of permanent magnet poles are fixed on the rotor body, and the permanent magnet poles are arranged at intervals in a ring shape by taking the rotating axis as a circle center; the stator body is fixed in the installation cavity, the stator body with the rotation axis is coaxial to be set up be provided with a plurality of annular armature windings on the stator body, a plurality of annular armature windings use the rotation axis is annular interval setting as the centre of a circle, armature winding and permanent magnet magnetic pole match each other, armature winding circular telegram down produces the edge the axial magnetic field that the rotation axis extends, axial magnetic field drives the rotor body through driving the permanent magnet magnetic pole and winds the rotation axis rotates.
The utility model has the advantages that: under the circular armature windings on the stator body are electrified, each armature winding generates an axial magnetic field extending along the rotation axis, and the axial magnetic field drives the rotor body to rotate around the rotation axis by driving the permanent magnet magnetic poles, so that the output shaft of the traditional motor is omitted, shaftless driving is realized, the product volume is greatly reduced compared with the traditional product, shaft sealing is not needed, the installation space is saved, the service life is prolonged, and the requirement on high insulation performance, corrosion resistance, waterproof performance and dustproof performance can be met.
As a further improvement of the above technical solution, a connecting shaft disposed coaxially with the rotation axis is fixed to an output end surface of the machine body, and the rotor body is rotatably connected to the connecting shaft.
The rotor body is rotatably connected with the machine body through a connecting shaft, so that the rotor body is convenient to mount.
As a further improvement of the technical scheme, the installation cavity is provided with a cavity opening, and a cover is installed on the cavity opening.
When the stator body is maintained or replaced, the cover is opened, and the operation is convenient.
As a further improvement of the above technical solution, a support seat is fixed to an outer periphery of the machine body.
The machine body is fixedly installed through the supporting seat so as to be convenient for fixing the motor.
As a further improvement of the above technical solution, the machine body is made of a magnetic conductive material. The axial magnetic field generated by the armature winding can easily pass through the wall surface of the machine body, the magnetic loss is reduced, and the power of the motor is improved.
Furthermore, the utility model provides a water pump, it includes foretell shaftless motor, still includes the water wheels of being connected with the rotor block, water wheels with the coaxial setting of rotation axis.
Under the rotor block rotates, can drive the water wheels and rotate together, thereby realize the function of the water pump, when the water pump is applied to the bathtub massage, can avoid appearing the phenomenon that there is the clearance between output shaft and the bathtub wall body of traditional motor and result in leaking, prevent the short circuit that the electric element wades into, rotor block and water wheels can stretch into the bathtub together simultaneously, water can cool off the rotor block in the rotation, can reduce the temperature that rotor block and organism relative motion produced the friction, thereby can reduce the temperature of water pump in the operation process, improve the life of water pump, the mechanical seal structure that needs when having saved the shaft drive, the mechanical seal who has stopped traditional water pump leaks, can effectively avoid the phenomenon of leaking, because the motor shaft drive has been cancelled, the derived bacterium that has solved the residual sewage and has brought, make waterproof performance promote, the safety in utilization of this product has been increased.
As a further improvement of the technical scheme, the water pump further comprises a water shell connected with the output end face of the machine body, the water shell is provided with a water cavity, a water inlet and a water outlet which are communicated with the water cavity, and the rotor body and the water wheel are arranged in the water cavity together.
When the water pump draws water, the rotor block drives the water wheel to rotate, water is sucked into the water cavity from the water inlet and is discharged from the water outlet after pressurization, and the water shell and the machine body can be of a split type, can be convenient for maintain the rotor block and the water wheel, and can also be of an integrated type.
As a further improvement of the above technical solution, the water housing is provided with a mounting port connected to the body, the mounting port is communicated with the water chamber, a plurality of first mounting holes are evenly distributed in an annular shape around the mounting port, a plurality of second mounting holes corresponding to the first mounting holes are correspondingly arranged on the body, and a connecting bolt is connected between the first mounting holes and the second mounting holes.
This scheme water casing and organism are split type, and when the installation, install the rotor block after good, install the water casing again, specifically, cover rotor block and water wheels to the installing port to first mounting hole on the installing port and the second mounting hole one-to-one on the organism are good, fix through connecting bolt at last.
As a further improvement of the technical scheme, the water outlet is coaxial with the rotation axis, the water inlet is arranged at the side of the periphery of the water wheel, a support is arranged in the water outlet, a water passing hole is formed in the support, and the water wheel is rotatably connected with the support.
The support can play the effect that improves water wheels rotational stability, and the water of water pump can be followed the water hole and passed through, and at this moment the support also can be to the effect of filtering great foreign matter.
As a further improvement of the above technical solution, a seal ring is disposed between the mounting opening and the machine body.
The sealing ring can improve the sealing performance between the mounting opening and the machine body, and avoids the water leakage phenomenon.
Drawings
The present invention will be further explained with reference to the drawings and examples;
FIG. 1 is an exploded view of an embodiment of a water pump according to the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the water pump of the present invention;
fig. 3 is a schematic structural diagram of an embodiment of the water pump according to the present invention;
fig. 4 is a schematic structural diagram of an embodiment of the water housing according to the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
The utility model discloses a shaftless motor makes following embodiment:
the present embodiment provides a shaftless motor applicable to various applications, which includes a body 100, a rotor body 200, and a stator body 300. The body 100 has a cylindrical shape, the body 100 is provided with an installation cavity 110 therein, the body 100 is provided with an output end surface outside,
wherein the rotor body 200 is disposed on the output end surface of the machine body 100, the rotor body 200 has a rotation axis, the axis of the machine body 100 is coaxial with the rotation axis, about which the rotor body 200 is rotatable with respect to the machine body 100, a plurality of permanent magnet poles 210 are fixed on the rotor body 200, the plurality of permanent magnet poles 210 are annularly spaced around the rotation axis, specifically, the rotor body 200 can be rotatably connected to the machine body 100 through a connecting shaft 120, the connecting shaft 120 is fixed on the output end surface of the machine body 100, the connecting shaft 120 is coaxially arranged with the rotation axis, the rotor body 200 is rotatably connected to the machine body 100 through the connecting shaft 120, so as to facilitate the installation of the rotor body 200, in other embodiments, the rotor body 200 can be rotatably connected to the machine body 100 through a circular rotating groove, which is not further limited, and the connection can be made in various ways as will be appreciated by those skilled in the art.
The inner part of the machine body 100 is provided with an installation cavity 110, the installation cavity 110 is provided with a cavity opening 111, a cover 130 is installed on the cavity opening 111, the stator body 300 is fixed in the installation cavity 110, when the stator body 300 is maintained or replaced, the cover 130 is opened, and the operation is convenient; the stator body 300 is provided with a plurality of annular armature windings 310, the plurality of annular armature windings 310 are arranged in an annular interval mode with the rotation axis as the circle center, the armature windings 310 are matched with the permanent magnet magnetic poles 210, the armature windings 310 can generate an axial magnetic field extending along the rotation axis under the electrification of the armature windings, and the axial magnetic field drives the rotor body 200 to rotate around the rotation axis through driving the permanent magnet magnetic poles 210, so that a traditional motor output shaft is omitted, the shaftless driving is realized, the product size is greatly reduced compared with a traditional product, the installation space is saved, the service life is prolonged, and the requirement on high waterproof performance and dustproof performance can be met.
The armature windings 310 and the permanent magnet poles 210 are matched with each other, and even though currents in different directions are respectively applied to the armature windings 310 of each phase in sequence, the continuous rotation of the rotor body 200 can be realized, and the driving force of the motor can be improved.
In order to facilitate the installation and fixation, a support base 140 is fixed on the outer circumference of the machine body 100, the rotor body 200 and the cover 130 are respectively disposed on two ends of the machine body 100, and the machine body 100 is fixedly installed through the support base 140, so as to facilitate the fixation of the motor.
In order to increase the power of the motor, the machine body 100 is made of a magnetic conductive material. So that the axial magnetic field generated by the armature winding 310 can easily pass through the wall surface of the machine body 100, and the magnetic loss is reduced.
Further, the water housing 500 is provided with a mounting port 540 connected to the machine body 100, the mounting port 540 is communicated with the water chamber 510, a plurality of first mounting holes 541 are circumferentially and uniformly distributed around the mounting port 540, a plurality of second mounting holes 150 corresponding to the first mounting holes 541 are correspondingly arranged on the machine body 100, connecting bolts are connected between the first mounting holes 541 and the second mounting holes 150, when the rotor body 200 is mounted, the water housing 500 is mounted, specifically, the mounting port 540 is sleeved on the rotor body 200 and the water wheel 400, the first mounting holes 541 on the mounting port 540 are in one-to-one correspondence with the second mounting holes 150 on the machine body 100, and finally, the rotor body 200 and the water wheel 400 are fixed by the connecting bolts.
In addition, the water outlet 530 is coaxially arranged with the rotation axis, the water inlet 520 is arranged at the side of the periphery of the water wheel 400, a bracket 531 is installed in the water outlet 530, a water through hole 532 is arranged on the bracket 531, and the water wheel 400 is rotatably connected with the bracket 531. The bracket 531 may play a role of improving the rotational stability of the water wheel 400, and water of the water pump may pass through the water passing hole 532, and at this time, the bracket 531 may also play a role of filtering large foreign matters.
In order to improve waterproof performance, a sealing ring is disposed between the mounting opening 540 and the machine body 100.
The water wheel 400 is driven to rotate together by the rotation of the rotor body 200, thereby realizing the function of a water pump which, when applied to bathtub massage, can avoid the phenomenon of water leakage caused by the gap between the output shaft of the traditional motor and the wall body of the bathtub, prevent the short circuit caused by wading of an electric element, meanwhile, the rotor body 200 and the water wheel 400 can be extended into a bathtub together, and water can cool the rotating rotor body 200, so that the temperature of friction generated by the relative movement of the rotor body 200 and the machine body 100 can be reduced, thereby reducing the temperature of the water pump in the running process, prolonging the service life of the water pump, saving the mechanical sealing structure required in shaft transmission, putting an end to the mechanical sealing water leakage of the traditional water pump, effectively avoiding the water leakage phenomenon, because the motor shaft transmission is cancelled, the derived bacteria caused by sewage residue are solved, the waterproof performance is improved, and the use safety of the product is improved.
In other embodiments, rotor body 200 may be coupled to a wind wheel for use as a wind turbine.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (10)
1. A shaftless motor, characterized by: it includes:
the device comprises a machine body (100), a mounting cavity (110) is arranged inside the machine body (100), and an output end face is arranged outside the machine body (100);
the rotor body (200) is provided with a rotating axis, the rotor body (200) is arranged on an output end face outside the machine body (100), the axis of the machine body (100) is coaxial with the rotating axis, the rotor body (200) can rotate around the rotating axis relative to the machine body (100), a plurality of permanent magnet magnetic poles (210) are fixed on the rotor body (200), and the permanent magnet magnetic poles (210) are arranged at intervals in a ring shape by taking the rotating axis as a circle center;
the stator body (300) is fixed in the installation cavity (110), the stator body (300) and the rotation axis are coaxially arranged, a plurality of annular armature windings (310) are arranged on the stator body (300), the rotation axis is used as the circle center and is arranged in an annular interval mode, the armature windings (310) are matched with the permanent magnet magnetic poles (210), an axial magnetic field extending along the rotation axis is generated when the armature windings (310) are electrified, and the axial magnetic field drives the rotor body (200) to rotate around the rotation axis through driving the permanent magnet magnetic poles (210).
2. A shaftless motor according to claim 1, wherein:
a connecting shaft (120) coaxially arranged with the rotation axis is fixed to an output end surface of the machine body (100), and the rotor body (200) is rotatably connected to the connecting shaft (120).
3. A shaftless motor according to claim 1, wherein:
the installation cavity (110) is provided with a cavity opening (111), and a cover (130) is installed on the cavity opening (111).
4. A shaftless motor according to claim 1, wherein:
a support base (140) is fixed to the outer periphery of the machine body (100).
5. A shaftless motor according to claim 1, wherein:
the machine body (100) is made of magnetic conductive materials.
6. A water pump, characterized by: comprising a shaftless electric machine according to any of the claims 1 to 5, further comprising a water wheel (400) connected to the rotor body (200), said water wheel (400) being arranged coaxially with said axis of rotation.
7. The water pump of claim 6, wherein:
the water pump further comprises a water shell (500) connected with the machine body (100), the water shell (500) is provided with a water cavity (510), a water inlet (520) and a water outlet (530) communicated with the water cavity (510), and the rotor body (200) and the water wheel (400) are arranged in the water cavity (510) together.
8. A water pump as claimed in claim 7, wherein:
the utility model discloses a water cooling device, including organism (100), water casing (500) set up with installing port (540) that organism (100) output end face is connected, installing port (540) and water chamber (510) intercommunication go up annular equipartition around installing port (540) and have a plurality of first mounting holes (541), correspondingly be in also be provided with a plurality of with second mounting hole (150) that first mounting hole (541) corresponds on organism (100) be connected with connecting bolt between first mounting hole (541) and second mounting hole (150).
9. A water pump as claimed in claim 7, wherein:
delivery port (530) with the coaxial setting of axis of rotation, water inlet (520) set up in the side of waterwheel (400) periphery install support (531) in delivery port (530) be provided with water hole (532) on support (531), waterwheel (400) with support (531) rotationally connect.
10. A water pump as claimed in claim 8, wherein:
a sealing ring is arranged between the mounting opening (540) and the machine body (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022858455.0U CN214958988U (en) | 2020-12-02 | 2020-12-02 | Shaftless motor and water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022858455.0U CN214958988U (en) | 2020-12-02 | 2020-12-02 | Shaftless motor and water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214958988U true CN214958988U (en) | 2021-11-30 |
Family
ID=79035982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022858455.0U Active CN214958988U (en) | 2020-12-02 | 2020-12-02 | Shaftless motor and water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214958988U (en) |
-
2020
- 2020-12-02 CN CN202022858455.0U patent/CN214958988U/en active Active
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