CN110268612A - Linear actuator element - Google Patents
Linear actuator element Download PDFInfo
- Publication number
- CN110268612A CN110268612A CN201880010837.0A CN201880010837A CN110268612A CN 110268612 A CN110268612 A CN 110268612A CN 201880010837 A CN201880010837 A CN 201880010837A CN 110268612 A CN110268612 A CN 110268612A
- Authority
- CN
- China
- Prior art keywords
- stator
- protrusion
- foreboard
- face
- stator yoke
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
- H02K21/145—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having an annular armature coil
-
- 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
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The object of the present invention is to provide one kind, and stator and procapsid can be made to become the technology of stable positional relationship in the case where not leading to increased costs.Linear actuator element (100) includes stator yoke (115), has end face in the axial direction；Bobbin winder bracket (113) configures in the inside of stator yoke (115), and is wound with coil (111)；Foreboard (120) is fixed on the end face of stator yoke (115)；And procapsid (150), it is combined with foreboard (120), the lug boss (14) being inserted into She Zhi in the hole on foreboard (120) is provided on bobbin winder bracket (113), the lug boss (152) in the hole being arranged on foreboard (120) is provided through on procapsid (150), the front end of lug boss (152) is contacted with the end face of stator yoke (115).
Description
Technical field
The present invention relates to a kind of linear actuator elements.
Background technique
It has been known that there is by the linear actuator element of the structure of the linear motion for being converted to output shaft of rotor (such as
Referring to patent document 1).In the structure described in patent document 1, stator, foreboard, procapsid are laminated in the axial direction.In the knot
In structure, technology documented by patent document 2 is well known.In the art, when carrying out resin molded to stator, molding is utilized
Resin forms the lug boss in conjunction with the hole portion of foreboard.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2013-24360 bulletin
Patent document 2: Japanese Unexamined Patent Publication 8-98498 bulletin
Summary of the invention
Problems to be solved by the invention
In the technology described in patent document 2, lug boss (protrusion) is formed using the resin for molded stator.
In the art, the conditional decision when protrusion length of lug boss is formed by moulding.But make flow into narrow resin from
It is prominent in hole, so that the manufacturing condition for forming lug boss is very delicate, in order to accurately control the protrusion length of lug boss, need tight
Lattice manage manufacturing condition, and cost is very high.
If relaxing the process conditions with resin molded stator, although being advantageous in terms of cost, thus lead
Cause the protrusion length of lug boss unstable.In this configuration, due to determining stator and procapsid by the protrusion length of lug boss
Positional relationship therefore changed if the protrusion length of lug boss exists, the positional relationship of stator and procapsid can generate partially
Difference.The deviation can become the deviation of the movable range of output shaft, and therefore, it is necessary to strongly inhibit the deviation.
In this context, do not lead to increased costs the purpose of the present invention is to provide one kind and can make stator with before
Shell becomes the technology of stable positional relationship.
The solution to the problem
The present invention is a kind of linear actuator element, includes stator yoke (stator yoke), in the axial direction
With end face；Bobbin winder bracket configures in the inside of the stator yoke, is wound with coil；Foreboard is fixed on the stator magnet
On the end face of yoke；And procapsid is provided through on the procapsid and is arranged described in conjunction with the foreboard
First protrusion in the first hole on foreboard is provided in the second hole that insertion is arranged on the foreboard on the bobbin winder bracket
Second protrusion, the front end of first protrusion are contacted with the end face of the stator yoke.
In the present invention, it is preferred to constitute as follows: carrying out the foreboard relative to the stator magnet by second protrusion
The positioning of yoke, the foreboard are made of metal, are fixed by welding on the stator yoke, and the foreboard has and the front housing
The arm of body engaging.
In the present invention, it is preferred to constitute as follows: the procapsid and the stator yoke around first protrusion
The distance between the end face it is bigger than the thickness of the foreboard.
Other inventions disclosed in the present specification are a kind of linear actuator elements, include rotor, connect with axis
It connects；Stator configures around the rotor；Bearing rotatably supports the rotor；Shell, with the bearing
Contact, and there is the bearing storage space for storing the bearing and the first protrusion contacted with the end face of the stator；And plate,
It has the supporting part of the base portion contacted with the end face of the stator and the bearing shell, and has and formed on the base portion
And the first hole for supplying first protrusion to pass through.
In the present invention, the stator includes bobbin winder bracket, is wound with coil and has the second protrusion；And through hole,
It is formed on the end face of the stator passes through for second protrusion, including being formed on the base portion of the plate
Side configures the second hole of second protrusion.
In the present invention as stated above, preferably following to constitute: the thickness of the plate is than described the in the rotary axis direction of the rotor
The length of one protrusion is short.It is also, in the present invention as stated above, preferably following to constitute: end face and the shell in second protrusion
Between there are gaps.
Invention effect
It is closed in accordance with the invention it is possible to which stator and procapsid is made to become stable position in the case where not leading to increased costs
System.
Detailed description of the invention
Fig. 1 is the perspective view of the linear actuator element of embodiment.
Fig. 2 is the exploded perspective view of the linear actuator element of embodiment.
Fig. 3 is the cross-sectional view of the linear actuator element of embodiment.
Fig. 4 is the perspective view (A) and (B) of the bobbin winder bracket in embodiment.
Fig. 5 is the perspective view (A) and main view that the state after foreboard is installed on the stator structure body shown in embodiments
(B)。
Fig. 6 is the perspective view (A) and main view (B) of the procapsid of embodiment.
Fig. 7 is by a part of amplified enlarged cross-sectional view of Fig. 3.
Specific embodiment
(composition)
The linear actuator element 100 of embodiment is shown in FIG. 1.Linear actuator element 100 is shown in FIG. 2
Exploded perspective view.The cross-sectional view (sectional view cut along axis) of linear actuator element 100 is shown in FIG. 3.
Linear actuator element 100 has following structure, includes stator yoke 115, has end in the axial direction
Face 115a；Bobbin winder bracket 113 (referring to Fig. 4), configures in the inside of stator yoke 115, is wound with coil 111；Foreboard 120,
It is fixed on the end face 115a of stator yoke 115；And procapsid 150, it is combined with foreboard 120, is arranged on bobbin winder bracket 113
The lug boss 14 in hole 121 (referring to (A) of Fig. 2, Fig. 5) for having insertion to be arranged on foreboard 120, is arranged on procapsid 150
Lug boss 152 (referring to Fig. 6) in the hole 123 for thering is insertion to be arranged on foreboard 120, the front end of lug boss 152 and stator yoke
115 end face 115a contact.
Hereinafter, explaining linear actuator element 100 in detail.As shown in Fig. 2, linear actuator element 100 has
Stator structure body 110, foreboard 120, rotor 130, axis 140, procapsid 150 and front end 142.
Stator structure body 110 has a substantially cylindrical shape, and the stator structure with claw polar type step motor.Stator structure
Body 110 has coil 111 and 112 (referring to Fig. 3), bobbin winder bracket 113 and 114, is made of the soft magnetic metals material such as electromagnetic steel plate
Stator yoke 115,117 and stator yoke 116 and 118, and in internal gap-filled resin 119 (referring to Fig. 3, Fig. 5
(A)) and it is integrated.Here, stator yoke 115 and 117 forms one group, constitutes the stator yoke of the first claw pole type motor, stator
Magnetic yoke 116 and 118 forms one group, constitutes the stator yoke of the second claw pole type motor.Stator yoke 115 and 116 is generally referred to as outer
Yoke, stator yoke 117 and 118 are referred to as interior yoke.
Coil 111 constitutes magnet exciting coil, and in resin bobbin winder bracket 113 (referring to Fig. 4).It is wound with coil 111
Bobbin winder bracket 113 be accommodated in the inside of stator structure body 110 (stator yoke 115).Bobbin winder bracket 113 is the note by using resin
Method of forming manufacture is penetrated, with cylindrical portion 11 (referring to Fig. 4), from the edge of the axial ends of cylindrical portion 11 to radially outer direction
The flange part 12,13 of extension.
3 protruding part outstanding point i.e. lug bosses 14 in the axial direction are provided on a flange part 12.Lug boss 14 is arranged
In the position of equiangularly spaced (every 120 °).Lug boss 14 is formed simultaneously by injection moulding and bobbin winder bracket 113 as coiling
113 a part of frame.The hole 15 of fixing terminal pin 125 (referring to Fig. 3) is formed on the top of bobbin winder bracket 113.It is being fixed on hole 15
Terminal pins 125 (referring to Fig. 3) on connect the lead drawn from coil 111.
Stator yoke 115 has outside cylindrical portion, inside teeth portion and the plate for connecting outside cylindrical portion and inside teeth portion
Plate ring portion (the end face 115a that the back side of the plate ring portion is stator yoke 115).In above-mentioned outside cylindrical portion and inner tines
The bobbin winder bracket 113 for being wound with coil 111 is accommodated between portion.The inside teeth portion of stator yoke 115 has along axial direction (end shell
170 direction) extend multiple first tooth 115b (referring to Fig. 3, Fig. 5 (A)).
Stator yoke 117 is to become one group of component with stator yoke 115, plate ring portion with plate and flat from this
Multiple second tooth 117b (referring to (A) of Fig. 5) that the inner edge of plate ring portion axially extends: invisible in Fig. 3).Such as Fig. 5
(A) shown in, multiple first tooth 115b extend one another in opposite directions with multiple second tooth 117b, and form following position and close
System: it is engaged in the state that there is gap differently from one another.The case where this point is with common claw pole type motor is identical.First tooth
The resin 119 that the gap of 115b and the second tooth 117b are filled in the inside of stator structure body 110 fills.
Bobbin winder bracket 114 is also resin system, is wound with coil 112.Stator yoke 116 and 118 is identical as stator yoke 115,
In the structure for the positional relationship that inner circumferential side is engaged in the state of differently from one another with gap with multiple teeth.Stator yoke
Between 116 tooth and the tooth of stator yoke 118, the resin 119 for being filled in the inside of stator structure body 110 is filled.
On the end face 115a of stator yoke 115, it is provided with 3 for being inserted into and penetrating through for the lug boss 14 of bobbin winder bracket 113
Hole 115c (referring to Fig. 3), inserted with lug boss 14 in 3 hole 115c.It is inserted into the front end of the lug boss 14 in the 115c of hole
It is prominent from hole 115c to 150 side of procapsid.
The shape that foreboard 120 is mounted on stator yoke 115 (stator structure body 110) is shown in (A) and (B) of Fig. 5
State.Foreboard 120 is made of metal, is fixed by welding on stator yoke 115.
Foreboard 120 has base portion, which has flat annulus shape, contact with the end face 115a of stator yoke 115,
It is provided with and is supplied from 3 holes 121 that 3 lug bosses 14 outstanding are embedded in the axial direction of stator yoke 115 on the base portion.By by 3
Locate at the insertion of lug boss 14 3 in hole 121, to carry out positioning of the foreboard 120 relative to stator yoke 115.
There is the fixation arm 122 of opening 122a with front end at 3 in foreboard 120.Fixing with arm 122 is to make foreboard
120 and procapsid 150 combine component, as make foreboard 120 support procapsid 150 supporting part play a role.Such as Fig. 1 institute
Show, engages the protrusion 151 of procapsid 150 with opening 122a (referring to Fig. 2) and deformation by making to fix with arm 122, thus
Foreboard 120 is combined with procapsid 150.
The perspective view (A) and main view (B) of procapsid 150 is shown in FIG. 6.Procapsid 150 is made of resin, and passes through injection
The method of forming is formed.3 protruding part outstanding point i.e. lug bosses 152 in the axial direction are provided on procapsid 150.Lug boss 152 is logical
It crosses using the injection moulding of resin and manufactures, but in the manufacture, lug boss 152 is also same as a part of procapsid 150
When formed.
Lug boss 152 is inserted into the hole 123 being arranged on foreboard 120, and the inside of through hole 123.The bottom in hole 123
Expose the axial end face 115a (referring to (A) of Fig. 5) of stator yoke 115, the front end of lug boss 152 and stator yoke in part
115 axial end face 115a contact.Determine the phase of procapsid 150 in the axial direction with stator structure body 110 with this configuration
To positional relationship.In addition, the protrusion length for the lug boss 14 being arranged on bobbin winder bracket 113 be set as its front end not with procapsid
The size of 150 contacts.In this example, 113 end face of the slave bobbin winder bracket prominent length outstanding of lug boss 14 is set to front end not
The size outstanding from hole 121.
As shown in Figures 2 and 3, in the inside of stator structure body 110, rotor 130 is kept with the state that can be rotated.Turn
The rotor magnet 132 of cylindrical shape of the son 130 with inside cylindrical component 131 and the outside for being fixed on inside cylindrical component 131.
The permanent magnet that rotor magnet 132 is circumferentially alternating to be magnetized to NSNS ....
It is fixed in the axis center part (inside of inside cylindrical component) of rotor 130 and is formed with internal thread structure in inner circumferential
Cylindrical shape internal screw thread 133.The external screw thread knot of internal screw thread 133 and the periphery for the axis 140 for being formed in elongated cylindrical shape
Structure 141 engages.
The inside cylindrical component 131 for constituting rotor 130 is kept in a way freely spinning state by ball bearing 134,135.More in detail
For thin, the outer ring of ball bearing 134 is fixed on the end shell 170 of stator yoke 116, the inner ring of ball bearing 134
Be fixed on constitute rotor 130 inside cylindrical component 131 on (outer ring of ball bearing 134 is contacted with end shell 170, but not with
Rotor 130 contacts).The outer ring of ball bearing 135 is fixed on procapsid 150, and the inner ring of ball bearing 135 is fixed on composition rotor
On 130 inside cylindrical component 131 (outer ring of ball bearing 135 is contacted with procapsid 150, but is not contacted with rotor 130).That is,
Rotor 130 is maintained on end shell 170 and procapsid 150 in a way freely spinning state by ball bearing 134,135.
The axis 140 of output shaft fixes front end 142 by pin 144 in front end.Rotation stop component is fixed on axis 140
143.Cylindrical space 153 is provided on procapsid 150, which is the column for storing axis 140 and rotation stop component 143
The space of shape.Cylindrical space 153 by upper N-Side surf, lower N-Side surf and connect lateral curvature with axially vertical cross sectional shape
Two planes of face and lower N-Side surf are constituted, by with the shape it is matched in a manner of set the cross sectional shape of rotation stop component 143.
By the way that the section of cylindrical space 153 is formed as above-mentioned shape, and rotation stop component 143 is formed as matched
Shape, so that rotation stop component 143 can be slid axially in the inside of cylindrical space 153 with the state that can not be rotated.It constitutes
The cylindrical portion 156 of a part of cylindrical space 153 extends from procapsid 150, is formed with medial flange in the front end of cylindrical portion 156
Portion 154.Moreover, the center in axis 140 from medial flange portion 154 as output shaft is protruding to the outside.One end of cylindrical space 153
Side (left side of Fig. 3) is defined with medial flange portion 154, the bearing storage of another side (right side of Fig. 3) storage ball bearing 135
Space 135a definition.The slot 155 being formed on procapsid 150 is formed in bearing storage space 135a.The slot 155 is with ball axis
The mode that the end face (left side of Fig. 3) of 135 inner ring is not contacted with procapsid 150 is held to be formed on procapsid 150.Front end
The working range of 142 (left direction of Fig. 3) in outward direction passes through the medial flange portion of rotation stop component 143 and cylindrical space 153
154 abut and determine, front end 142 is empty by front end 142 and column to the movable range of (right direction of Fig. 3) to inward side
Between 153 medial flange portion 154 abut and determine.
(movement)
When electric current flows through coil 111 and 112, between stator yoke 115 and the tooth of stator yoke 117, i.e., in (A) of Fig. 5
Multiple first tooth 115b and multiple second tooth 117b between generate the magnetic field with circumferential ingredient.In addition, similarly in stator
The magnetic field with circumferential ingredient is generated between magnetic yoke 116 and the tooth of stator yoke 118.Moreover, if in the switching of specific opportunity
The positive and negative of driving current is stated, then above-mentioned magnetic direction is periodically switched, and generates the driving force for rotating rotor magnet 132.
Due to above-mentioned driving force, rotor 130 and internal screw thread 133 are integrally formed and rotate.Here, axis 140 is due to rotation prevention portion
Part 143 and can not rotate, on the other hand can move, therefore, be rotated by internal screw thread 133 in the axial direction, to have
The axis 140 of the external thread structure 141 engaged with internal screw thread 133 is retreated in the axial direction.The moving direction of axis 140 is by rotor 130
Direction of rotation determines.Axis 140 moves in the axial direction, so that front end 142 is moved in the axial direction.
(superiority)
It is shown in (A) of Fig. 7 by the amplified enlarged drawing in the part of lug boss 152.It shows in (B) of Fig. 7 by lug boss
14 partially enlarged enlarged drawing.Lug boss 14 is a part of the bobbin winder bracket 113 manufactured by injection moulding, and its
Local accurately manage can not be spent into and protrude length.In addition, lug boss 152 is also before being manufactured by injection moulding
A part of shell 150, and cost can not be spent to obtain and accurately manage its protrusion length.
As shown in (A) of Fig. 7, hole 123 and stator yoke 115 of the lug boss 152 of procapsid 150 via foreboard 120
End face 115a contact.On the other hand, as shown in (B) of Fig. 7, although the lug boss 14 of bobbin winder bracket 113 is inserted into the hole of foreboard 120
In 121, but do not contacted with procapsid 150.
In the structure of present embodiment, contacted by lug boss 152 with stator yoke 115, to determine stator structure body
110 with the positional relationship of procapsid 150.Here, because lug boss 14 is not contacted with procapsid 150, pass through lug boss
152 protrusion length determines the positional relationship of stator structure body 110 Yu procapsid 150.Moreover, as described above, about protrusion
The protrusion length in portion 14 and lug boss 152 accurately manages in which can not lead to increased costs.Therefore, in present embodiment
Structure in, the position of stator structure body 110 Yu procapsid 150 can be accurately managed in the case where not leading to increased costs
Set relationship.
In addition, by adjusting the protrusion size of lug boss 152, thus procapsid 150 and stator around lug boss 152
The distance between the end face 115a of magnetic yoke 115 T (gap entered for foreboard 120) is set to bigger than the thickness t of foreboard 120
Value.Foreboard 120 is fixed on the end face 115a of stator yoke 115 by electric resistance welding.Here, due to foreboard 120 and stator magnet
The flatness of the end face 115a of yoke 115 reasons such as not exclusively, the flow path of welding electric current generate uncertain, become sometimes
End face 115a slightly floating state of the foreboard 120 from stator yoke 115.
It is above-mentioned to ensure by adjusting the protrusion length (height) of lug boss 152 although there is deviation under the float state
Gap, thus the floating from the end face 115a of stator yoke 115 of foreboard 120 caused by allowing to weld, and inhibit this to float and cause
Undesirable generation.
In addition, procapsid 150 is contacted in lug boss 152 with stator yoke 115, in other parts as shown in (A) of Fig. 7
It is contacted with the end face (left side in Fig. 3) of the outer ring of ball bearing 135.Due to can accurately form the protrusion of lug boss 152
Therefore length is able to suppress from procapsid 150 and to be applied to ball bearing 135 via above-mentioned contact portion and then from ball bearing
The deviation that 135 axial forces for being applied to rotor 130 generate (between the batch of product) in each product.As a result, can
The deviation for inhibiting the movable range of output shaft (axis 140) to generate (between the batch of product) in each product.
(other)
The quantity of the quantity and hole corresponding with these lug bosses of lug boss 14 and lug boss 152 is not limited to three, can also be with
It is four or more.In addition, the quantity of lug boss 14 and lug boss 152 can also be different.
Symbol description
11 cylindrical portions；12 flange parts；13 flange parts；14 lug bosses；15 holes；100 linear actuator elements；
110 stator structure bodies；111 coils；112 coils；113 bobbin winder brackets；114 bobbin winder brackets；115 stator yokes；The end 115a
Face；The tooth of 115b stator yoke 115；116 stator yokes；117 stator yokes；The tooth of 117b stator yoke 117；118 is fixed
Sub- magnetic yoke；The resin of 119 fillings；120 foreboards；121 holes；122 fixed arms；123 holes；125 terminal pins；130 turns
Son；131 inside cylindrical components；132 rotor magnets；133 internal screw threads；134 ball bearings；135 ball bearings；135a bearing is received
Receive space；140 axis；141 external thread structures；142 front ends；143 rotation stop components；144 pins；150 procapsids；151 is prominent
It rises；152 lug bosses；153 cylindrical spaces；154 inside housing sections；155 slots；170 end shells
Claims (7)
1. a kind of linear actuator element, includes
Stator yoke has end face in the axial direction；
Bobbin winder bracket configures in the inside of the stator yoke, is wound with coil；
Foreboard is fixed on the end face of the stator yoke；
Procapsid, in conjunction with the foreboard,
First protrusion in the first hole being arranged on the foreboard is provided through on the procapsid,
The second protrusion being provided on the bobbin winder bracket in the second hole that insertion is arranged on the foreboard,
The front end of first protrusion is contacted with the end face of the stator yoke.
2. linear actuator element according to claim 1, wherein carry out the foreboard phase by second protrusion
Positioning for the stator yoke,
The foreboard is made of metal, is fixed by welding on the stator yoke,
The foreboard has the arm engaged with the procapsid.
3. linear actuator element according to claim 2, wherein the procapsid around first protrusion
The distance between the end face of the stator yoke is bigger than the thickness of the foreboard.
4. a kind of linear actuator element, includes
Rotor, with axis connection；
Stator configures around the rotor；
Bearing rotatably supports the rotor；
Shell, and the bearing touch, and there is the bearing storage space for storing the bearing and the end face with the stator
First protrusion of contact；
Plate has the supporting part of the base portion contacted with the end face of the stator and the bearing shell, and has and be formed in institute
The first hole stated on base portion and passed through for first protrusion.
5. linear actuator element according to claim 4, wherein
The stator includes bobbin winder bracket, is wound with coil and has the second protrusion；Through hole is formed in the stator
It is passed through on the end face for second protrusion,
It is formed on the base portion of the plate and configures the second hole of second protrusion in inside.
6. linear actuator element according to claim 4 or 5, wherein the institute in the rotary axis direction of the rotor
The thickness for stating plate is shorter than the length of first protrusion.
7. linear actuator element according to claim 5 or 6, wherein second protrusion end face with it is described
There are gaps between shell.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017021219A JP6869738B2 (en) | 2017-02-08 | 2017-02-08 | Linear actuator |
| JP2017-021219 | 2017-02-08 | ||
| PCT/JP2018/004134 WO2018147311A1 (en) | 2017-02-08 | 2018-02-07 | Linear actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110268612A true CN110268612A (en) | 2019-09-20 |
| CN110268612B CN110268612B (en) | 2021-03-12 |
Family
ID=63107511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880010837.0A Active CN110268612B (en) | 2017-02-08 | 2018-02-07 | Linear actuator |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6869738B2 (en) |
| CN (1) | CN110268612B (en) |
| DE (1) | DE112018000737T5 (en) |
| WO (1) | WO2018147311A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11527340B2 (en) | 2018-07-09 | 2022-12-13 | Daido Steel Co., Ltd. | RFeB-based sintered magnet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2631113Y (en) * | 2003-06-09 | 2004-08-04 | 苏州元本电子有限公司 | Improved thin step-by-step motor structure |
| DE10324601A1 (en) * | 2003-05-30 | 2004-12-16 | Siemens Ag | Linear- and rotational-drive device e.g. for printing machine shaft, has storage device mechanically coupled to shaft for reversal of linear direction of movement of shaft |
| WO2010013866A1 (en) * | 2008-07-28 | 2010-02-04 | Lg Innotek Co., Ltd | Step actuator |
| CN203522493U (en) * | 2013-11-07 | 2014-04-02 | 大陆汽车电子(芜湖)有限公司 | Stepping driving motor |
| CN104638827A (en) * | 2013-11-15 | 2015-05-20 | 日本电产三协株式会社 | Motor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3392235B2 (en) | 1994-09-21 | 2003-03-31 | ミネベア株式会社 | Stator assembly structure and method for rotating electric machine |
| US6259175B1 (en) * | 1999-11-18 | 2001-07-10 | Dana Corporation | Linear actuator |
| JP2002122203A (en) * | 2000-10-17 | 2002-04-26 | Minebea Co Ltd | Linear actuator |
| KR101543673B1 (en) * | 2009-04-08 | 2015-08-12 | 엘지이노텍 주식회사 | Linear Stepping motor |
| JP5785016B2 (en) | 2011-07-25 | 2015-09-24 | ミネベア株式会社 | Linear actuator |
| JP5889034B2 (en) * | 2012-02-21 | 2016-03-22 | ミネベア株式会社 | Linear actuator |
| JP6009919B2 (en) * | 2012-11-30 | 2016-10-19 | ミネベア株式会社 | Linear actuator |
-
2017
- 2017-02-08 JP JP2017021219A patent/JP6869738B2/en active Active
-
2018
- 2018-02-07 CN CN201880010837.0A patent/CN110268612B/en active Active
- 2018-02-07 DE DE112018000737.5T patent/DE112018000737T5/en active Pending
- 2018-02-07 WO PCT/JP2018/004134 patent/WO2018147311A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10324601A1 (en) * | 2003-05-30 | 2004-12-16 | Siemens Ag | Linear- and rotational-drive device e.g. for printing machine shaft, has storage device mechanically coupled to shaft for reversal of linear direction of movement of shaft |
| CN2631113Y (en) * | 2003-06-09 | 2004-08-04 | 苏州元本电子有限公司 | Improved thin step-by-step motor structure |
| WO2010013866A1 (en) * | 2008-07-28 | 2010-02-04 | Lg Innotek Co., Ltd | Step actuator |
| CN203522493U (en) * | 2013-11-07 | 2014-04-02 | 大陆汽车电子(芜湖)有限公司 | Stepping driving motor |
| CN104638827A (en) * | 2013-11-15 | 2015-05-20 | 日本电产三协株式会社 | Motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110268612B (en) | 2021-03-12 |
| DE112018000737T5 (en) | 2019-12-12 |
| JP2018129932A (en) | 2018-08-16 |
| JP6869738B2 (en) | 2021-05-12 |
| WO2018147311A1 (en) | 2018-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206302219U (en) | Stator module and the motor including it | |
| US7679251B2 (en) | Stepping motor | |
| US8264106B2 (en) | Motor and driving device having integrally formed magnetic-pole portions | |
| US20130280090A1 (en) | Fan device | |
| US20130278086A1 (en) | Stepper motor with adjustable detent torque | |
| US7164215B2 (en) | Motor | |
| CN110268612A (en) | Linear actuator element | |
| JP2005057991A (en) | Motor | |
| US7443061B2 (en) | Driving device | |
| JP5034070B2 (en) | Stepping motor | |
| WO2019150658A1 (en) | Electromagnetic relay | |
| JP5785016B2 (en) | Linear actuator | |
| CN110089009B (en) | Axial gap type rotating electric machine | |
| CN111431318B (en) | Electric machine | |
| JP5141861B2 (en) | Stepping motor | |
| CN110418910A (en) | Linear actuator element | |
| WO2022264615A1 (en) | Stator unit, electric valve, and manufacturing method for stator unit | |
| EP2773028B1 (en) | Spindle drive | |
| JP2019161800A (en) | motor | |
| KR102159798B1 (en) | Motor of outer rotor type | |
| US20230100109A1 (en) | Rotary electric machine | |
| KR101725016B1 (en) | Step actuator | |
| KR101903616B1 (en) | Step actuator | |
| JP2022055465A (en) | Stator, motor, and manufacturing method of core body | |
| JP2010207024A (en) | Rotating electrical machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |