CN103023267B - Elastic assembly for miniature driving motor - Google Patents

Elastic assembly for miniature driving motor Download PDF

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Publication number
CN103023267B
CN103023267B CN201210500383.XA CN201210500383A CN103023267B CN 103023267 B CN103023267 B CN 103023267B CN 201210500383 A CN201210500383 A CN 201210500383A CN 103023267 B CN103023267 B CN 103023267B
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CN
China
Prior art keywords
elastic
spring
straight
straight line
edge
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Expired - Fee Related
Application number
CN201210500383.XA
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Chinese (zh)
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CN103023267A (en
Inventor
夏太红
彭全斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN TOPVCM CO., LTD.
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SHENZHEN TOPVCM Co Ltd
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Filing date
Publication date
Application filed by SHENZHEN TOPVCM Co Ltd filed Critical SHENZHEN TOPVCM Co Ltd
Priority to CN201210500383.XA priority Critical patent/CN103023267B/en
Publication of CN103023267A publication Critical patent/CN103023267A/en
Application granted granted Critical
Publication of CN103023267B publication Critical patent/CN103023267B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses an elastic assembly for a miniature driving motor. The elastic assembly comprises two elastic plates which are insulated to each other, wherein each elastic plate comprises a substrate and a conductive pin vertical to a plane at which the substrate is located; each substrate comprises an outer frame, an inner frame and two wire springs; each outer frame comprises three linear sides and a triangular reinforcing part; each inner frame comprises a circular-arc-shaped inner side; each wire spring comprises an initial end, a first elastic part provided with a plurality of U-shaped curved parts, an arc-shaped second elastic part and a final end connected with each circular-arc-shaped inner side; and each U-shaped curved part comprises two parallel straight sides and a curved side connected with the two straight sides, an included angle between each straight side and the linear side connected with the initial end of each wire spring is 0-20 degrees. The elastic assembly disclosed by the invention is favorable in deformation resistance performance on the horizontal plane, ensures that the spring inner frames cannot horizontally deviate when moving in an axis direction vertical to the horizontal plane and can provide more stable and appropriate elasticity by virtue of the spring inner frames in the axis direction vertical to the horizontal plane.

Description

For the elastic parts of Miniature drive motor
Technical field
The invention belongs to micro motor technical field, be specifically related to a kind of elastic parts for Miniature drive motor.
Background technology
Micro-camera device has been widely used on mobile phone and notebook computer, and Miniature drive motor (being also lens CD-ROM drive motor) wherein is also done less and less.
Traditional Miniature drive motor generally comprises upper cover, Upper gasket, upper spring sheet, lens carrier, magnetite assembly, coil block, lower gasket, lower spring chip module and base; Secondly this kind of requirement of structure to upper spring sheet and lower spring chip module is higher, first requires that spring inside casing has good anti-deformation nature in the horizontal plane, wants suitably at the elastic force axially provided vertical with horizontal direction, too small and cross mostly bad; Excessive, the electromagnetic force produced between coil block and magnetite assembly can not be pushed to suitable position, affects the stroke of motor; Too small, can affect the stability of motor, slight electromagnetic force or the gravity of miscellaneous part and acceleration force all can produce certain impact to motor, affect the smooth working of motor.
Summary of the invention
The object of this invention is to provide the elastic parts for Miniature drive motor that a kind of structure is comparatively reasonable, performance is comparatively excellent.
The technical scheme realizing the object of the invention is: a kind of elastic parts for Miniature drive motor, comprises two shell fragments insulated from each other, and each shell fragment comprises matrix and connects electric pin perpendicular to matrix place plane; Each matrix comprises two silk springs of housing, inside casing and connection housing and inside casing; Each housing comprises three straight lines, and is positioned at the triangle enhanced portion at interior angle place folded by adjacent two straight lines; Wherein two straight lines vertically protrude from the two ends of Article 3 straight line and extend towards the direction close to another shell fragment formed; Each inside casing comprises circular arc inner edge; The terminal be connected with circular arc inner edge that described each silk spring comprises the top be connected with a corresponding middle limit or side, first elastic portion with multiple U-shaped zigzag part extended to form from the end at top, the second elastic portion of arc shaped of extending to form from the end of the first elastic portion extend to form with the end from the second elastic portion; Described each U-shaped zigzag part comprises two straight flanges be arranged in parallel are connected these two straight flanges bent limit with one, and each straight flange and the angle of straight line be connected with this spring top are 0-20 degree.
In technique scheme, the terminal vertical of each silk spring in the straight line be adjacent, and is just arranged the center of this straight line, and this straight line adjoins the straight line be connected with this spring top.
In technique scheme, described each straight line is also provided with a triangle reinforcement plate, one end of this triangle reinforcement plate is connected with this straight line, the other end and the silk spring top be connected with this straight line are connected, the 3rd end as this triangle reinforcement plate inner side edge along and parallel with the straight flange of U-shaped zigzag part each in this spring.
In technique scheme, the inner side edge of described each circular arc inner edge is along being provided with multiple projection.
In technique scheme, folded by two straight lines adjacent on housing, exterior angle place is provided with breach.
In technique scheme, the matrix of two shell fragments is centrosymmetric setting.
In technique scheme, between two shell fragments, leave gap.
The present invention has the shape of innovation owing to adopting, thus make spring inside casing have good anti-deformation nature in the horizontal plane, ensure that spring inside casing can not the skew in occurred level direction when the axis direction with horizontal plane move, and can make spring inside casing with the axial direction of horizontal plane on comparatively steady and that dynamics is suitable elastic force is provided.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the present invention;
Fig. 2 is a kind of front view of spring shown in Fig. 1.
Shown in accompanying drawing, mark is: shell fragment 1, and matrix 2, connects electric pin 3, housing 4, straight line 41, triangle enhanced portion 42, triangle reinforcement plate the 43, three end 431, breach 44, inside casing 5, circular arc inner edge 51, projection 52, silk spring 6, top 61, the first elastic portion 62, second elastic portion 63, terminal 64, U-shaped zigzag part 7, straight flange 71, bent limit 72, gap 8.
Embodiment
(embodiment 1)
Fig. 1 and Fig. 2 shows a kind of embodiment of the present invention, and wherein Fig. 1 is a kind of perspective view of the present invention; Fig. 2 is a kind of front view of spring shown in Fig. 1.
The present embodiment is a kind of elastic parts for Miniature drive motor, sees shown in Fig. 1 and Fig. 2, comprises two and leaves gap, shell fragment 1 insulated from each other, and each shell fragment comprises matrix 2 and connects electric pin 3 perpendicular to matrix place plane; Each matrix comprises housing 4, inside casing 5 and is connected two silk springs 6 of housing and inside casing; Each housing comprises three straight lines 41, and is positioned at the triangle enhanced portion 42 at interior angle place folded by adjacent two straight lines; Wherein two straight lines vertically protrude from the two ends of Article 3 straight line and extend towards the direction close to another shell fragment formed; Each inside casing comprises circular arc inner edge 51; The terminal 64 be connected with circular arc inner edge that described each silk spring comprises the top 61 be connected with a corresponding middle limit or side, first elastic portion 62 with multiple U-shaped zigzag part 7 extended to form from the end at top, the second elastic portion 63 of arc shaped of extending to form from the end of the first elastic portion extend to form with the end from the second elastic portion; Described each U-shaped zigzag part comprises two straight flanges be arranged in parallel 71 are connected these two straight flanges bent limit 72 with one, each straight flange and the angle of straight line be connected with this spring top are 10 degree, in concrete practice, namely this angle is preferably between 0-20 degree, and also each straight flange and the straight line that is connected with this spring top can be arranged or have a less inclination angle in parallel between the two.
In the present embodiment, the matrix of two shell fragments is centrosymmetric setting.
The terminal vertical of each silk spring in the straight line be adjacent, and is just arranged the center of this straight line, and this straight line adjoins the straight line be connected with this spring top.
Described each straight line is also provided with a triangle reinforcement plate 43, one end of this triangle reinforcement plate is connected with this straight line, the other end and the silk spring top be connected with this straight line are connected, the 3rd end 431 as this triangle reinforcement plate inner side edge along and parallel with the straight flange of U-shaped zigzag part each in this spring.
The inner side edge of described each circular arc inner edge is along being provided with multiple projection 52.
Folded by two straight lines adjacent on housing, exterior angle place is provided with breach 44.
The present embodiment has the shape of innovation owing to adopting, thus make spring inside casing have good anti-deformation nature in the horizontal plane, ensure that spring inside casing can not the skew in occurred level direction when the axis direction with horizontal plane move, and can make spring inside casing with the axial direction of horizontal plane on comparatively steady and that dynamics is suitable elastic force is provided.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.

Claims (4)

1. for an elastic parts for Miniature drive motor, comprise two shell fragments (1) insulated from each other, each shell fragment comprises matrix (2) and connects electric pin (3) perpendicular to matrix place plane, each matrix comprises housing (4), inside casing (5) and is connected two silk springs (6) of housing and inside casing, each housing comprises three straight lines (41), and is positioned at the triangle enhanced portion (42) at interior angle place folded by adjacent two straight lines, wherein two straight lines vertically protrude from the two ends of Article 3 straight line and extend towards the direction close to another shell fragment formed, each inside casing comprises circular arc inner edge (51), it is characterized in that: the terminal (64) be connected with circular arc inner edge that described each silk spring comprises the top (61) be connected with a corresponding middle limit or side, first elastic portion (62) with multiple U-shaped zigzag part (7) extended to form from the end at top, second elastic portion (63) of arc shaped that extends to form from the end of the first elastic portion extend to form with the end from the second elastic portion, described each U-shaped zigzag part comprises two straight flanges be arranged in parallel (71) are connected these two straight flanges bent limit (72) with one, each straight flange and the angle of straight line be connected with this spring top are 0-20 degree, the terminal vertical of each silk spring is in the straight line be adjacent, and just the center of this straight line is arranged, this straight line adjoins the straight line be connected with this spring top, described each straight line is also provided with a triangle reinforcement plate (43), one end of this triangle reinforcement plate is connected with this straight line, the other end and the silk spring top be connected with this straight line are connected, 3rd end (431) as this triangle reinforcement plate inner side edge along and parallel with the straight flange of U-shaped zigzag part each in this spring, the inner side edge of described each circular arc inner edge is along being provided with multiple projection (52).
2. the elastic parts for Miniature drive motor according to claim 1, is characterized in that: folded by two straight lines adjacent on housing, exterior angle place is provided with breach (44).
3. the elastic parts for Miniature drive motor according to claim 1, is characterized in that: the matrix of two shell fragments is centrosymmetric setting.
4. the elastic parts for Miniature drive motor according to claim 1, is characterized in that: leave gap (8) between two shell fragments.
CN201210500383.XA 2012-11-30 2012-11-30 Elastic assembly for miniature driving motor Expired - Fee Related CN103023267B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210500383.XA CN103023267B (en) 2012-11-30 2012-11-30 Elastic assembly for miniature driving motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210500383.XA CN103023267B (en) 2012-11-30 2012-11-30 Elastic assembly for miniature driving motor

Publications (2)

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CN103023267A CN103023267A (en) 2013-04-03
CN103023267B true CN103023267B (en) 2015-06-10

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090085425A1 (en) * 2007-09-27 2009-04-02 Wen-Chia Chang Flat Spring and Voice Coil Motor using the same
CN201293861Y (en) * 2008-11-13 2009-08-19 宁波金诚泰电子有限公司 Reed for drive mechanism of camera lens
CN102759787A (en) * 2011-04-28 2012-10-31 思考电机(上海)有限公司 A lens drive device, an automatic focusing camera and a carrying terminal device
CN202918170U (en) * 2012-11-30 2013-05-01 苏州贝腾特电子科技有限公司 An elastic assembly used for a micro driving motor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008268404A (en) * 2007-04-18 2008-11-06 Tricore Corp Voice coil type lens drive device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090085425A1 (en) * 2007-09-27 2009-04-02 Wen-Chia Chang Flat Spring and Voice Coil Motor using the same
CN201293861Y (en) * 2008-11-13 2009-08-19 宁波金诚泰电子有限公司 Reed for drive mechanism of camera lens
CN102759787A (en) * 2011-04-28 2012-10-31 思考电机(上海)有限公司 A lens drive device, an automatic focusing camera and a carrying terminal device
CN202918170U (en) * 2012-11-30 2013-05-01 苏州贝腾特电子科技有限公司 An elastic assembly used for a micro driving motor

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Address after: No. 20 Silicon Valley Power New Material Industrial Park A5 building 518109 Guangdong province Shenzhen city Longhua District Guanlan community bucket Dafu Industrial Zone, 3 floor

Applicant after: SHENZHEN TOPVCM CO., LTD.

Address before: 215026, Jiangsu, Suzhou Industrial Park, South Cross bumper harvest Plaza, 1, 809

Applicant before: Suzhou Beitengte Electronic Technology Co., Ltd.

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