CN115549427A - Reciprocating motor - Google Patents
Reciprocating motor Download PDFInfo
- Publication number
- CN115549427A CN115549427A CN202211285773.XA CN202211285773A CN115549427A CN 115549427 A CN115549427 A CN 115549427A CN 202211285773 A CN202211285773 A CN 202211285773A CN 115549427 A CN115549427 A CN 115549427A
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- CN
- China
- Prior art keywords
- output shaft
- electromagnet
- magnet
- end cover
- elastic end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention discloses a reciprocating motor which comprises a shell, an electromagnet and an output shaft, wherein the shell is provided with an accommodating channel penetrating through the shell, and two ports of the accommodating channel are respectively provided with an elastic end cover; the electromagnet is arranged on the shell; the output shaft is equipped with the magnet, and the output shaft runs through the setting of elasticity end cover, and the magnet on the output shaft sets up in holding the passageway, and the electromagnet is used for driving the magnet to drive the output shaft along the reciprocal extrusion elasticity end cover of axial, realize that the output shaft is reciprocating motion along the axial. Through the arrangement of the structure, when in use, current is supplied to the electromagnet, and the electromagnet pushes the magnet and the output shaft to do reciprocating motion along the axial direction of the output shaft; the reciprocating motion of the output shaft can be realized through a simple structure, the product structure is greatly simplified, the production and assembly efficiency of the product is improved, and the stability of the product is guaranteed; the elastic end cover realizes the limitation of the output shaft, so that the output shaft can only do reciprocating motion along the axial direction of the output shaft, and the stability of the product is guaranteed.
Description
Technical Field
The invention relates to the technical field of electric toothbrushes, in particular to a reciprocating motor.
Background
The electric toothbrush is used as an important oral cleaning tool and widely applied to daily life of people; at present, the electric toothbrush used by people generally adopts a mode of high-frequency reciprocating rotation or left-right vibration of a brush head to brush teeth and clean oral cavities, and the electric toothbrush using the mode has strong cleaning capability and is particularly favored by people.
However, most of the conventional rotary electric toothbrushes available on the market have a complicated transmission mechanism, and most of the transmission mechanism is covered and buckled: the motor, the straight gear, the driven gear, the swing rod, the output shaft and other parts. There remain numerous problems with such conventional rotary electric toothbrushes: the method comprises the following steps: the traditional rotary electric toothbrush has the disadvantages of various transmission mechanism parts, complex structure, difficult production and assembly and higher cost; meanwhile, the transmission of the transmission mechanism of the electric toothbrush is complicated, and the distance between the motor and the brush head is long, so that the force transmitted by the motor to the brush head is insufficient, and the cleaning capability of the brush head is obviously insufficient; and because have more part interconnect, the product produces great noise easily to product spare part is numerous, and the size has the deviation, and the uniformity is difficult to guarantee, and the reliability is poor, leads to product life-span short scheduling problem easily.
Therefore, the invention provides a reciprocating motor which can effectively solve the problems and has the advantages of simple structure, convenient assembly, low noise and strong product reliability.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the reciprocating motor which is simple in structure, convenient to assemble, low in noise and strong in product reliability.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a reciprocating motor comprising:
the shell is provided with an accommodating channel penetrating through the shell, and two ports of the accommodating channel are provided with elastic end covers;
an electromagnet disposed at the housing;
the output shaft is provided with a magnet, the output shaft penetrates through the elastic end cover, the magnet on the output shaft is arranged in the accommodating channel, and the electromagnet is used for driving the magnet to drive the output shaft to extrude the elastic end cover in a reciprocating mode along the axial direction, so that the output shaft can reciprocate along the axial direction.
As an improvement of the present invention, the magnetic pole direction of the magnet is arranged along the axial direction of the output shaft, the electromagnet has a first magnetic pole and a second magnetic pole, the first magnetic pole is arranged towards the side portion of the magnet, the second magnetic pole is arranged away from the side portion of the magnet, and a movable gap is arranged between the first magnetic pole of the electromagnet and the magnet.
As an improvement of the invention, the output shaft further comprises a support frame, the magnet comprises at least two permanent magnet units, and the permanent magnet units are symmetrically arranged on the support frame along the axis of the output shaft.
As an improvement of the invention, the elastic end cover is provided with a spiral groove which is used for allowing the elastic end cover to deform or reset.
As an improvement of the invention, the surface of the output shaft is convexly provided with a limiting table, the elastic end cover is provided with a mounting hole, the output shaft penetrates through the mounting hole, and the limiting table is abutted against the surface of the elastic end cover.
As an improvement of the invention, a clamping groove is arranged at the edge of the accommodating channel, a clamping block is convexly arranged at the edge of the elastic end cover, and the clamping block is clamped in the clamping groove.
As an improvement of the invention, the shell is provided with an opening communicated with the accommodating channel, and the electromagnet is inserted into the opening.
As an improvement of the invention, the electromagnet comprises a base, a coil rack and a coil, wherein the coil is sleeved on the coil rack, the base is provided with an accommodating groove, and the coil rack is inserted into the accommodating groove.
As an improvement of the invention, the base is convexly provided with three mounting blocks, a containing groove is formed between every two adjacent mounting blocks, the coil rack is provided with a mounting groove, the middle mounting block is inserted into the mounting groove, and the coil rack is inserted into the containing groove at the moment.
As an improvement of the invention, the surface of the base is provided with an abutting block, and when the electromagnet is inserted into the opening, the abutting block abuts against the surface of the shell.
As an improvement of the invention, the shell is provided with a limiting block at the clamping groove, and the limiting block can be bent and abutted against the elastic end cover.
The invention has the beneficial effects that: through the arrangement of the structure, when the electromagnetic power generation device is used, current is supplied to the electromagnet, the electromagnet generates a magnetic field, the magnetic field interacts with the magnetic field of the magnet, and the magnet and the output shaft are further pushed to reciprocate along the axial direction of the output shaft; the reciprocating motion of the output shaft can be realized through a simple structure, the product structure is greatly simplified, the production and assembly efficiency of the product is improved, and the stability of the product is guaranteed; meanwhile, the both ends of elasticity end cover are connected respectively in output shaft and casing, along with the reciprocating motion of output shaft, the elasticity end cover is deformed or resets thereupon, the elasticity end cover has realized on the one hand that it is spacing to the output shaft, make the output shaft only can be along the output shaft axial reciprocating motion, ensure the stability of product, on the other hand, the elasticity end cover can the stored energy, reduce the buffering, when the output shaft moves along a direction, the elasticity end cover deformation, the stored energy slows down the velocity of motion of output shaft, and when output shaft reverse motion, the elasticity end cover resets, the release energy, can effectively reduce energy consumption, the utilization ratio of energy is improved, can effectively provide the buffering simultaneously, make the motion of output shaft more stable, and can effectively reduce the noise, promote user's use and experience.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings may be obtained according to the drawings without creative efforts.
The invention is further illustrated by the following examples in conjunction with the drawings.
Fig. 1 is a schematic view of the overall structure of the motor of the present invention;
fig. 2 is an exploded view of the motor of the present invention;
FIG. 3 is a schematic top view of the motor of the present invention;
FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
fig. 6 is a sectional view of the drive shaft of the motor of the present invention with a tendency to move to the right.
Detailed Description
Referring to fig. 1 to 6, a reciprocating motor includes:
the shell 10 is provided with an accommodating channel 11 penetrating through the shell 10, and two ports of the accommodating channel 11 are provided with elastic end covers 15;
an electromagnet 20, the electromagnet 20 being provided to the housing 10;
the output shaft 30 is provided with a magnet 32, the output shaft 30 penetrates through the elastic end cover 15, the magnet 32 on the output shaft 30 is arranged in the accommodating channel 11, and the electromagnet 20 is used for driving the magnet 32 to drive the output shaft 30 to extrude the elastic end cover 15 in a reciprocating manner along the axial direction, so that the output shaft 30 can reciprocate along the axial direction.
Through the arrangement of the structure, when the electromagnetic power generation device is used, current is supplied to the electromagnet, the electromagnet generates a magnetic field, the magnetic field interacts with the magnetic field of the magnet, and the magnet and the output shaft are further pushed to reciprocate along the axial direction of the output shaft; through a simple structure, the reciprocating motion of the output shaft can be realized, the product structure is greatly simplified, the production and assembly efficiency of the product is improved, and the stability of the product is guaranteed; meanwhile, the both ends of elasticity end cover are connected respectively in output shaft and casing, along with the reciprocating motion of output shaft, the elasticity end cover is deformed or resets thereupon, the elasticity end cover has realized on the one hand that it is spacing to the output shaft, make the output shaft only can be along the output shaft axial reciprocating motion, ensure the stability of product, on the other hand, the elasticity end cover can the stored energy, reduce the buffering, when the output shaft moves along a direction, the elasticity end cover deformation, the stored energy slows down the velocity of motion of output shaft, and when output shaft reverse motion, the elasticity end cover resets, the release energy, can effectively reduce energy consumption, the utilization ratio of energy is improved, can effectively provide the buffering simultaneously, make the motion of output shaft more stable, and can effectively the noise abatement, promote user's use and experience.
In this embodiment, the magnetic pole direction of the magnet 32 is arranged along the axial direction of the output shaft 30, the electromagnet 20 has a first magnetic pole and a second magnetic pole, the first magnetic pole is arranged towards the side of the magnet 32, the second magnetic pole is arranged away from the side of the magnet 32, and a movable gap 24 is arranged between the first magnetic pole of the electromagnet 20 and the magnet 32. Through the arrangement of the structure, the electromagnet is connected with the shell, the electromagnet is close to the magnet and forms a movable gap, the distance between the electromagnet and the magnet is reduced, when current is supplied to the electromagnet, the force borne by the magnet is larger, the output shaft is more easily driven to move, and the utilization rate of energy is improved; the size of a movable gap between the electromagnet and the magnet is small, a magnetic induction line of the electromagnet penetrates through the magnet, and the magnet is driven to move along the direction of the magnetic induction line; meanwhile, the movable gap is kept, the magnet can move relative to the electromagnet, a movable space is provided, friction force between the magnet and the electromagnet is prevented, and the stability of the product is improved; preferably, the size of the clearance gap is 0.3 mm.
In this embodiment, the output shaft 30 further includes a support frame 33, and the magnet 32 includes at least two permanent magnet units, and the permanent magnet units are symmetrically disposed on the support frame 33 along the axis of the output shaft 30. Through the setting of above-mentioned structure, the magnet unit that the symmetry set up can make weight balance about the output shaft, promotes the stability of product, prevents the product skew, and the setting up of support frame makes the magnet unit installation more stable, further promotes the stability of product, improves the life of product.
In this embodiment, the elastic end cap 15 is provided with a spiral groove 151, and the spiral groove 151 is used to allow the elastic end cap 15 to deform or reset. Through the arrangement of the structure, the spiral grooves increase the deformation space of the elastic end cover 15, so that the elastic end cover 15 is easier to deform, and the stroke of the rotating shaft in reciprocating motion is increased; meanwhile, the elastic end cover is convenient to install on one hand and low in cost on the other hand.
In this embodiment, the surface of the output shaft 30 is convexly provided with a limiting table 34, the elastic end cover 15 is provided with a mounting hole 152, the output shaft 30 penetrates through the mounting hole 152, and the limiting table 34 abuts against the surface of the elastic end cover 15. Through the setting of above-mentioned structure, during the use, pass the output shaft along the mounting hole, spacing platform butt in the 15 surfaces of elasticity end cover this moment can pinpoint the mounted position, improves the installation effectiveness of product to use modes such as laser welding with output shaft and 15 fixed connection of elasticity end cover, improve the stability of product.
In this embodiment, a clamping groove 13 is disposed at an edge of the accommodating channel 11, a clamping block 153 is disposed at an edge of the elastic end cover 15 in a protruding manner, and the clamping block 153 is clamped in the clamping groove 13. Through the setting of above-mentioned structure, the fixture block joint improves the production efficiency of product in the draw-in groove, convenience of customers equipment product, can also use modes such as laser welding simultaneously with the further fixed connection of electromagnet and casing, improve the stability of product.
In this embodiment, the housing 10 is provided with an opening 12 communicating with the accommodating passage 11, and the electromagnet 20 is inserted into the opening 12. Through the arrangement of the structure, the opening is formed in the shell, a user can conveniently install the electromagnet, the assembly efficiency is improved, in addition, the opening is communicated with the accommodating channel, when the electromagnet is inserted into the opening, the electromagnet is partially embedded into the accommodating channel, the distance between the electromagnet and the magnet is pulled, the attraction force or the repulsion force between the electromagnet and the magnet is increased, and the energy utilization rate of a product is improved; meanwhile, the electromagnet and the shell can be further fixedly connected by laser welding and other modes, and the stability of the product is improved.
In this embodiment, the electromagnet 20 includes a base 21, a coil bobbin 22 and a coil 23, the coil 23 is sleeved on the coil bobbin 22, the base 21 is provided with an accommodating groove 211, and the coil bobbin 22 is inserted into the accommodating groove 211. Through the setting of above-mentioned structure, the electromagnet is constituteed to base, coil former and the coil that the components of a whole that can function independently set up, and its equipment is more convenient to the coil former can effectively support and protect the coil, protects the stability of product, and the setting of base can the convenience of customers installation, and the equipment is convenient.
In this embodiment, the base 21 is convexly provided with three mounting blocks 212, an accommodating groove 211 is formed between two adjacent mounting blocks 212, the coil frame 22 is provided with a mounting groove 221, the middle mounting block 212 is inserted into the mounting groove 221, and at this time, the coil frame 22 is inserted into the accommodating groove 211. Through the setting of above-mentioned structure, during the equipment, with the installation piece cartridge in the mounting groove in the centre, at this moment, the coil former cartridge is in holding the recess, can unable adjustment base and coil former effectively, promotes the stability of product, and then promotes the life of product.
In this embodiment, the surface of the base 21 is provided with an abutting block 213, and when the electromagnet 20 is inserted into the opening 12, the abutting block 213 abuts against the surface of the housing 10. Through the setting of above-mentioned structure, during the use, install the electromagnet in the opening, when the electromagnet was in the mounted position, butt piece butt in housing face, the mounted position of butt piece spacing electromagnet can be effectively, and the packaging efficiency and the accuracy of guarantee product improve the yield of product, the equipment precision of guarantee product. Meanwhile, the base and the shell can be further fixedly connected by laser welding and other modes, and the stability of the product is improved.
In this embodiment, the housing 10 is provided with a limiting block 14 at the clamping groove 13, and the limiting block 14 can be bent and abutted against the elastic end cap 15. Through the arrangement of the structure, when the elastic end cover fixing device is used, the limiting block is bent and abuts against the elastic end cover 15, the elastic end cover 15 can be effectively fixed, and the stability of a product is improved.
The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not intended to limit the practice of the invention to the particular forms disclosed. Similar or identical methods and structures as those of the present invention or several technical deductions or substitutions based on the idea of the present invention should be considered as the protection scope of the present invention.
Claims (10)
1. A reciprocating motor, comprising:
the shell (10) is provided with an accommodating channel (11) penetrating through the shell (10), and two ports of the accommodating channel (11) are provided with elastic end covers (15);
an electromagnet (20), the electromagnet (20) being disposed at the housing (10);
the output shaft (30) is provided with a magnet (32), the output shaft (30) penetrates through the elastic end cover (15), the magnet (32) on the output shaft (30) is arranged in the accommodating channel (11), and the electromagnet (20) is used for driving the magnet (32) to drive the output shaft (30) to extrude the elastic end cover (15) in a reciprocating mode along the axial direction, so that the output shaft (30) can reciprocate along the axial direction.
2. A reciprocating motor according to claim 1, the magnet (32) having a pole direction arranged axially along the output shaft (30), the electromagnet (20) having a first pole arranged towards the side of the magnet (32) and a second pole arranged away from the side of the magnet (32), a moving gap (24) being provided between the first pole of the electromagnet (20) and the magnet (32).
3. A reciprocating motor in accordance with claim 1, wherein the output shaft (30) further comprises a support frame (33), the magnet (32) comprising at least two permanent magnet units, the permanent magnet units being arranged symmetrically to the support frame (33) along the output shaft (30) axis.
4. A reciprocating motor in accordance with claim 1, characterized in that the elastic end cap (15) is provided with a helical groove (151), the helical groove (151) being intended to allow deformation or return of the elastic end cap (15).
5. The reciprocating motor according to claim 1, wherein the surface of the output shaft (30) is convexly provided with a limit table (34), the elastic end cover (15) is provided with a mounting hole (152), the output shaft (30) is arranged through the mounting hole (152), and the limit table (34) abuts against the surface of the elastic end cover (15).
6. The reciprocating motor according to claim 1, wherein a clamping groove (13) is formed in the edge of the accommodating channel (11), a clamping block (153) is convexly formed in the edge of the elastic end cover (15), and the clamping block (153) is clamped in the clamping groove (13).
7. A reciprocating electric machine according to claim 1, characterized in that the housing (10) is provided with an opening (12) communicating with the housing channel (11), the electromagnet (20) being inserted in said opening (12).
8. The reciprocating motor according to claim 7, wherein the electromagnet (20) comprises a base (21), a coil rack (22) and a coil (23), the coil (23) is sleeved on the coil rack (22), the base (21) is provided with a receiving groove (211), and the coil rack (22) is inserted into the receiving groove (211).
9. The reciprocating motor of claim 8, wherein the base (21) is convexly provided with three mounting blocks (212), a receiving groove (211) is formed between two adjacent mounting blocks (212), the coil rack (22) is provided with a mounting groove (221), the middle mounting block (212) is inserted into the mounting groove (221), and the coil rack (22) is inserted into the receiving groove (211).
10. The reciprocating motor according to claim 8, wherein the surface of the base (21) is provided with an abutting block (213), and when the electromagnet (20) is inserted into the opening (12), the abutting block (213) abuts against the surface of the shell (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211285773.XA CN115549427A (en) | 2022-10-20 | 2022-10-20 | Reciprocating motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211285773.XA CN115549427A (en) | 2022-10-20 | 2022-10-20 | Reciprocating motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115549427A true CN115549427A (en) | 2022-12-30 |
Family
ID=84734923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211285773.XA Pending CN115549427A (en) | 2022-10-20 | 2022-10-20 | Reciprocating motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115549427A (en) |
-
2022
- 2022-10-20 CN CN202211285773.XA patent/CN115549427A/en active Pending
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