CN206195579U - Miniature reciprocating type wig -wag - Google Patents
Miniature reciprocating type wig -wag Download PDFInfo
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- CN206195579U CN206195579U CN201621261017.3U CN201621261017U CN206195579U CN 206195579 U CN206195579 U CN 206195579U CN 201621261017 U CN201621261017 U CN 201621261017U CN 206195579 U CN206195579 U CN 206195579U
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- rotating shaft
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Abstract
The utility model discloses a miniature reciprocating type wig -wag, including stator, rotor and end cover group, the stator includes casing, magnet steel and first bearing, the rotor includes pivot, iron core, winding, conducting strip, sleeve pipe and output axle sleeve, end cover group is including end cover, second bearing, packing ring and brush, wherein, the stator still includes the plastic frame with the shape looks adaptation of casing, this plastic frame is integrated into one piece's tubular structure, constitute by two first plastic boards and the alternate hookup of two second plastic boards, first plastic board is provided with along axially extended limit convex strip with the inner wall of the connection place of second plastic board, the outer wall of first plastic board is provided with along axially extended protruding muscle, the magnet steel draw -in groove has been seted up along the axial on the second plastic board, the iron core, the winding is located the plastic frame, wherein, excess convexity muscle card is put up in the casing to the plastic. This wig -wag structure is compacter, the assembly is simple and with low costs.
Description
Technical field
The utility model is related to a kind of micromachine, and in particular to a kind of Miniature reciprocating wig-wag.
Background technology
Traditional iron core DC vibrating micro machine has wide on the vibration product such as electric toothbrush, health-caring equipment, personal nursing
General application.But traditional iron core DC vibration motor is the setting-up eccentricity block on the output shaft of iron core motor, revolved by motor
Turn to drive eccentric block to rotate generation centrifugal force to realize vibration.This mode of vibration, because unbalanced centrifugal force is present, output
Axle can constantly produce the pressure of radial direction on bearing so that bearing easily weares and teares, thus reduce product service life and can
By property;And traditional iron core DC vibration motor, output shaft can not provide shuttle swing, and vibration is by motor body footpath
Passed to vibration, used when in the cleaning supplies such as electric toothbrush, the effect of cleaning is not good, and easily allowed and use
Person does not feel like oneself.
CN204858930U discloses a kind of Miniature reciprocating wig-wag, and it sets two pairs of pole piece shape magnet steel in casing,
When the positive and negative alternate electric current of wig-wag is given, rotor will be attracted and reciprocating rotary successively by the N poles of fixed magnet steel, S poles
Dynamic, so as to form the reciprocally swinging acted according to given frequency, it can swing for generating a reciprocation, hunting frequency stabilization, life-span
Long, reliability is high, can be widely used on the products such as electric toothbrush, massager, cleaning supplies.But it is still present asks as follows
Topic:(1)Needs set the spacing catch of die cast metal to limit the amplitude of oscillation of iron core on the spindle nose of rotating shaft, and structure is not tight enough
Gather, and it is relatively costly, assembling not enough facilitates;(2)The solder joint of brush and lead-out wire directly it is exposed outside, exist and cause because of collision
The risk for coming off, influences the reliability of wig-wag.
The content of the invention
The purpose of this utility model is to provide a kind of more compact structure, assembling simply and the Miniature reciprocating of low cost swings
Device.
Miniature reciprocating wig-wag described in the utility model, including stator, rotor and end cap group, the stator include machine
Shell, magnet steel and the clutch shaft bearing being located at the top of chassis cavity;The rotor stretches out the rotating shaft of casing including two ends, is sleeved on this turn
On axle and offer the iron core of winding slot, the winding, the gland that are wrapped in the winding slot of the iron core in rotating shaft and with winding electricity
Sleeve pipe and rotating shaft upper end of the conducting strip, gland of connection in rotating shaft and with iron core upper-end contact be connected and stretch into casing with
The output sleeve that clutch shaft bearing coordinates, the lower end of output sleeve and casing-contact;The end cap group includes being connected to casing bottom
End cap, be located in end cap coordinate with rotating shaft lower end second bearing, be set in rotating shaft and pad in conducting strip and second bearing
Between packing ring(Axial gap for adjusting rotor)And top electrically connects and the brush of lower end press-in end cap with conducting strip;
The stator also includes the plastic cement frame being adapted with the shape of casing, the tubular structure that the plastic cement frame is formed in one, by two
Symmetrical and section is for the first plastic plate of straightway is symmetrical with two and section is for the second plastic plate of circular arc is alternate
Connection is constituted, and the inwall of the connection place of the first plastic plate and the second plastic plate is provided with the spacing raised line for axially extending, first
The outer wall of plastic plate is provided with the convex tendon for axially extending, and offers magnet steel draw-in groove on the second plastic plate vertically;The iron core,
Winding is located in plastic cement frame, and magnet steel is stuck in magnet steel draw-in groove, and plastic cement frame is stuck in casing by convex tendon.
The end cap group also includes lead-out wire and bonnet, and bonnet is connected to the bottom of end cap, and one end of lead-out wire is welded on
Stretched out on brush, in the wire guide that is covered from afterwards of the other end, bonnet can protect brush not exposed with the welding position of lead-out wire,
Can more preferable supports end cap.
Two magnet steel draw-in grooves are all offered on two described the second plastic plates, the magnet steel is neodymium iron boron tiles magnet steel,
Have two pairs of poles, and polarity be stuck in two magnet steel draw-in grooves of the second plastic plate, adopted using the motor gas-gap ratio of tiles magnet steel
Motor gas-gap with the sheet magnet steel of same performance is smaller.
The both sides of the iron core offer a point magnetic groove, and point magnetic groove can improve the working frequency of motor.
The utility model has the effect that:
(1)Magnet steel is positioned using plastic cement frame, the amplitude of oscillation of iron core is carried out spacing, it need not be increased by metal pressure
The spacing catch of casting, more compact structure, assembling is simple, and plastic cement frame low cost of the cost than spacing catch so that
Reduce the cost of wig-wag.
(2)Bonnet can carry out blocking protection to the welding position of brush and lead-out wire, and the profile of wig-wag is more attractive, and
The welding position is also not easy to be come off because of collision, so that the reliability of wig-wag is higher.
(3)Bonnet can be supported to end cap, improve the structural strength of wig-wag.
Brief description of the drawings
Fig. 1 is decomposing schematic representation of the present utility model.
Fig. 2 is front view of the present utility model.
Fig. 3 is the A-A sectional views of Fig. 2.
Fig. 4 is the structural representation of the plastic cement frame in the utility model.
Fig. 5 is one of working condition of the present utility model schematic diagram.
Fig. 6 is two schematic diagrames of working condition of the present utility model.
Wherein:1 output sleeve, 2 clutch shaft bearings, 3 casings, 4 plastic cement framves, 5 magnet steel, 6 sleeve pipes, 7 rotating shafts, 8 iron cores, 9 windings,
10 conducting strips, 11 packing rings, 12 brushes, 13 second bearings, 14 end caps, 15 lead-out wires, 16 bonnets, 41 first plastic plates, 42 second
Plastic plate, 43 spacing raised lines, 44 convex tendons, 45 magnet steel draw-in grooves, 46 avoid breach, 81 points of magnetic grooves.
Specific embodiment
The utility model is elaborated below in conjunction with the accompanying drawings.
Miniature reciprocating wig-wag as shown in Figures 1 to 6, including stator, rotor and end cap group.
Stator includes the casing 3 that Single port shrinks and another port opens, is pressed into the retract port inner cavity top of casing 3
Plastic cement frame 4 and two pairs of pole magnet steel 5 that clutch shaft bearing 2 is adapted with the shape of casing 3, magnet steel 5 are neodymium iron boron tiles magnet steel;The
One bearing 2 uses rolling bearing, the tubular structure that plastic cement frame 4 is formed in one, by two symmetrically and section is straightway
The first plastic plate 41 with two symmetrically and section couples composition, the first plastic plate for the second plastic plate 42 of circular arc is alternate
41 and second the inwall of connection place of plastic plate 42 be provided with the spacing raised line 43 for axially extending, two the first plastic plates 41
Outer wall is both provided with two convex tendons 44 for axially extending, and two magnet steel cards are all offered vertically on two the second plastic plates 42
Groove 45, the position of mounting hole on two the second plastic plates 42 corresponding to casing 3 all offers avoidance breach 46;Two pairs of pole magnet steel 5
It is stuck in four magnet steel draw-in grooves 45 polarity(I.e. one N poles magnet steel and a S poles magnet steel are stuck in same second plastic plate
On, another N poles magnet steel is stuck on another second plastic plate with another S poles magnet steel), plastic cement frame 4 is by the clamping of convex tendon 44
In casing 3.Wherein the quantity of magnet steel can also set more to pole, the number of corresponding magnet steel draw-in groove 45 according to actual needs
Quantity with magnet steel is consistent.
Rotor includes rotating shaft 7, offers two iron cores of winding slot, 8, two groups of windings 9, conducting strip 10, sleeve pipe 6 and output
Axle sleeve 1, rotating shaft 7 passes through plastic cement frame 4 and casing 3 and casing 3 is stretched out at two ends, and iron core 8 is located in plastic cement frame 4 and gland is in rotating shaft 7
On, the both sides of iron core 8(Corresponding to the centerline on the outside of winding slot)A point magnetic groove 81 is further opened with, two groups of windings 9 are located at plastic cement
Frame 4 is interior and is wrapped in two winding slots of iron core 8, and conducting strip 10 is located in casing 3 and gland is in rotating shaft 7, conducting strip 10
Electrically connected with winding 9, the gland of sleeve pipe 6 in rotating shaft 7 and with the upper-end contact of iron core 8, the upper end of output sleeve 1 and rotating shaft 7 connects
Connect and stretch into and coordinate with clutch shaft bearing 2 in casing 3, the lower end of output sleeve 1 contacts with sleeve pipe 6.
End cap group includes end cap 14, second bearing 13, packing ring 11(It is made by insulating materials), brush 12, lead-out wire
15 and bonnet 16, second bearing 13 uses rolling bearing, the riveted of end cap 14 to be located at end cap in the bottom of casing 3, second bearing 13
Coordinate in 14 and with the lower end of rotating shaft 7, packing ring 11 is set in rotating shaft 7 and pads between conducting strip 10 and second bearing 13, electricity
The top of brush 12 is electrically connected with conducting strip 10, lower end press-in end cap 14, and lead-out wire 15 is welded on brush 12, and bonnet 16 is connected to
The bottom of end cap 14, lead-out wire 15 stretches out in the wire guide from bonnet 16.
As shown in Figure 5, Figure 6, operation principle of the present utility model is as follows:
When the positive and negative alternate electric current of wig-wag certain frequency is given, rotor produces the magnetic field of alternation will be by fixed
The N poles of magnet steel 5, S poles attract and reciprocally swinging successively, so as to form the reciprocally swinging of fixed frequency.As shown in figure 5, work as giving
When wig-wag forward direction is powered, rotor forms a magnetic field, and under the magnetic field interaction that the magnet steel 5 with stator is formed, rotor is suitable
Hour hands have swung the angle of a fixation.As shown in fig. 6, when giving wig-wag and being reversely powered, rotor forms one with Fig. 5 institutes
Show just opposite magnetic field, under the magnetic field interaction that the magnet steel 5 with stator is formed, rotor has back swung one and consolidated counterclockwise
Determine angle.When the forward and reverse alternate energisation of wig-wag fixed frequency is given, rotor will do one back and forth according to this frequency
Swing back and forth.
Claims (4)
1. a kind of Miniature reciprocating wig-wag, including stator, rotor and end cap group, the stator include casing(3), magnet steel(5)
Be located at casing(3)The clutch shaft bearing of inner cavity top(2);The rotor stretches out the rotating shaft of casing including two ends(7), be sleeved on this
In rotating shaft and offer the iron core of winding slot(8), the winding that is wrapped in the winding slot of the iron core(9), gland in rotating shaft and
Conducting strip (10), the gland electrically connected with winding in rotating shaft and with the sleeve pipe of iron core upper-end contact(6)Connected with rotating shaft upper end
And stretch into casing and clutch shaft bearing(2)The output sleeve of cooperation(1), the lower end of output sleeve and casing-contact;The end cap
Group includes being connected to casing(3)The end cap of bottom(14), be located in end cap and rotating shaft(7)The second bearing that lower end coordinates(13)、
It is set in rotating shaft and packing ring of the pad between conducting strip and second bearing(11)And top electrically connects and lower end with conducting strip
It is pressed into the brush of end cap(12);It is characterized in that:The stator also includes and casing(3)The plastic cement frame that is adapted of shape(4),
The tubular structure that the plastic cement frame is formed in one, by two symmetrically and section for straightway the first plastic plate(41)With two
Individual symmetrical and section is the second plastic plate of circular arc(42)Alternate connection is constituted, the first plastic plate(41)With the second plastic plate
(42)The inwall of connection place be provided with the spacing raised line for axially extending(43), the first plastic plate(41)Outer wall be provided with edge
Axially extending convex tendon(44), the second plastic plate(42)On offer magnet steel draw-in groove vertically(45);The iron core(8), winding
(9)Positioned at plastic cement frame(4)It is interior, magnet steel(5)It is stuck in magnet steel draw-in groove(45)It is interior, plastic cement frame(4)By convex tendon(44)It is stuck in casing(3)
It is interior.
2. Miniature reciprocating wig-wag according to claim 1, it is characterised in that:The end cap group also includes lead-out wire
(15) and bonnet (16), bonnet(16)It is connected to end cap(14)Bottom, lead-out wire(15)One end be welded on brush(12)Upper,
The other end is from bonnet(16)On wire guide in stretch out.
3. Miniature reciprocating wig-wag according to claim 1 and 2, it is characterised in that:Two described the second plastic plates
(42)On all offer two magnet steel draw-in grooves(45), the magnet steel(5)It is neodymium iron boron tiles magnet steel, there is two pairs of poles, and polarity
Be stuck in two magnet steel draw-in grooves of the second plastic plate.
4. Miniature reciprocating wig-wag according to claim 3, it is characterised in that:The iron core(8)Both sides offer
Divide magnetic groove(81).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621261017.3U CN206195579U (en) | 2016-11-22 | 2016-11-22 | Miniature reciprocating type wig -wag |
Applications Claiming Priority (1)
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CN201621261017.3U CN206195579U (en) | 2016-11-22 | 2016-11-22 | Miniature reciprocating type wig -wag |
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CN206195579U true CN206195579U (en) | 2017-05-24 |
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CN201621261017.3U Active CN206195579U (en) | 2016-11-22 | 2016-11-22 | Miniature reciprocating type wig -wag |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107659106A (en) * | 2017-11-14 | 2018-02-02 | 浙江盛越电子科技有限公司 | A kind of vibrating motor |
CN108206617A (en) * | 2018-01-12 | 2018-06-26 | 深圳市仓兴达科技有限公司 | A kind of motor of miniature reciprocating rotation |
CN109510426A (en) * | 2019-01-03 | 2019-03-22 | 东莞市天孚电机科技有限公司 | A kind of axial direction magnetic suspension motor |
CN109802546A (en) * | 2019-03-07 | 2019-05-24 | *** | Reciprocally swinging motor and electric toothbrush |
CN110190722A (en) * | 2019-04-24 | 2019-08-30 | 深圳市德宝电机马达有限公司 | A kind of ultrasonic wave brushless motor |
-
2016
- 2016-11-22 CN CN201621261017.3U patent/CN206195579U/en active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107659106A (en) * | 2017-11-14 | 2018-02-02 | 浙江盛越电子科技有限公司 | A kind of vibrating motor |
CN108206617A (en) * | 2018-01-12 | 2018-06-26 | 深圳市仓兴达科技有限公司 | A kind of motor of miniature reciprocating rotation |
CN109510426A (en) * | 2019-01-03 | 2019-03-22 | 东莞市天孚电机科技有限公司 | A kind of axial direction magnetic suspension motor |
CN109510426B (en) * | 2019-01-03 | 2023-10-13 | 广东天孚电机科技有限公司 | Axial magnetic levitation motor |
CN109802546A (en) * | 2019-03-07 | 2019-05-24 | *** | Reciprocally swinging motor and electric toothbrush |
CN110190722A (en) * | 2019-04-24 | 2019-08-30 | 深圳市德宝电机马达有限公司 | A kind of ultrasonic wave brushless motor |
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