WO2021000072A1 - 非线性弹簧连接结构及马达 - Google Patents

非线性弹簧连接结构及马达 Download PDF

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Publication number
WO2021000072A1
WO2021000072A1 PCT/CN2019/093951 CN2019093951W WO2021000072A1 WO 2021000072 A1 WO2021000072 A1 WO 2021000072A1 CN 2019093951 W CN2019093951 W CN 2019093951W WO 2021000072 A1 WO2021000072 A1 WO 2021000072A1
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WO
WIPO (PCT)
Prior art keywords
mover
transition
connection structure
linear spring
stator
Prior art date
Application number
PCT/CN2019/093951
Other languages
English (en)
French (fr)
Inventor
马杰
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声科技（南京）有限公司
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 瑞声声学科技(深圳)有限公司, 瑞声科技（南京）有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Priority to PCT/CN2019/093951 priority Critical patent/WO2021000072A1/zh
Priority to CN201921052456.7U priority patent/CN210093093U/zh
Priority to US16/994,697 priority patent/US11781612B2/en
Publication of WO2021000072A1 publication Critical patent/WO2021000072A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/54—Arrangements for attachment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G1/00—Spring motors
    • F03G1/06—Other parts or details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/3207—Constructional features
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors

Definitions

  • the utility model relates to the technical field of spring structures, in particular to a non-linear spring connection structure applied in a motor.
  • this kind of spring connection structure that uses multiple metal springs to combine or uses magnetic springs to realize non-linear movement of the mover relative to the stator has a complex structure and high cost.
  • the purpose of the utility model is to provide a non-linear spring connection structure with simple structure and low cost.
  • the present invention provides a non-linear spring connection structure, which includes a stator, a mover, and an elastic connecting piece arranged between the stator and the mover.
  • the elastic connecting piece includes The first end connected to the stator, the second end connected to the mover, and at least two transitional connections connected between the first end and the second end, the at least two The transition part extends from the first end toward the second end in a trend of decreasing volume.
  • the at least two transition connections include a first transition connection connected to the first end and a second transition connection connected between the first transition connection and the second end. Transition part, the volume of the first transition part is greater than the volume of the second transition part.
  • the end surface of the second end portion close to the second transition portion is larger than the end surface of the second transition portion close to the second end portion.
  • the mover has a first side surface and a second side surface that are adjacently connected, and the mover is provided with a first mounting groove and a first mounting groove extending sequentially from the first side surface toward the inside of the mover.
  • Two installation grooves, the first installation groove and the second installation groove both extend to the second side surface, the second end portion is clamped in the second installation groove, and the second transition connecting portion Pass through the first installation groove.
  • the mover further has a third side surface adjacently connected to the first side surface and arranged opposite to the second side surface at intervals, and both the first mounting groove and the second mounting groove The second side surface penetrates toward the third side surface.
  • the second end portion includes a rectangular plane connected to the second transition connecting portion and a first arc-shaped surface whose two ends are respectively connected to two opposite side edges of the rectangular plane.
  • the second transitional connection portion and the first end portion are both rectangular structures, and the first transitional connection portion includes two second arc-shaped surfaces, and the two second arc-shaped surfaces are respectively It extends from the two opposite side edges of the first end portion to the two opposite side edges of the second transitional connecting portion in a trend of gradually decreasing spacing.
  • the elastic connecting member is an integral part made of elastic rubber.
  • the stator includes a frame, the mover is arranged in the frame, and the first end is connected to an inner side wall of the frame.
  • the utility model also provides a motor having the non-linear spring connection structure as described above.
  • the utility model provides an elastic connecting piece between the stator and the mover, and the elastic connecting piece is set to include a first end connected to the stator, a second end connected to the mover, and at least two connected to the first end.
  • the transitional connection between the end and the second end, each transitional connection extends from the first end to the second end in a trend of decreasing volume, so that in specific applications, the elastic connector deforms by itself , Providing the restoring force of the mover in the movement process, so that the mover can make a non-linear movement relative to the stator, making the non-linear spring connection structure simpler and reducing the manufacturing cost of the non-linear spring connection structure.
  • Figure 1 is a perspective view of a non-linear spring connection structure provided by an embodiment of the utility model
  • Figure 2 is an exploded schematic diagram of Figure 1;
  • Figure 3 is a perspective view of a mover provided by an embodiment of the utility model
  • Figure 4 is a perspective view of an elastic connector provided by an embodiment of the utility model
  • Figure 5 is a front view of the non-linear spring connection structure provided by the embodiment of the utility model when the elastic connector is in a static state;
  • FIG. 6 is a front view of the elastic connecting member in the non-linear spring connecting structure provided by the embodiment of the utility model when it is in compression movement;
  • Figure 8 is a schematic diagram of the stiffness of the elastic connector provided by the embodiment of the utility model in each stage of operation.
  • Non-linear spring connection structure 10, stator; 11, frame body; 20, mover; 21, first side; 22, second side; 23, third side; 24, card slot; 241, First installation groove; 242. Second installation groove; 30.
  • Elastic connector 31. First end; 32. Second end; 321. Rectangular plane; 322.
  • the elastic connecting member 30 includes a first end 31 connected to the stator 10, a second end 32 connected to the mover 20, and at least two
  • an embodiment of the present invention provides a non-linear spring connection structure 1.
  • the non-linear spring connection structure 1 includes a stator 10, a mover 20, and an elastic connecting member 30.
  • the elastic connecting member 30 is made of elastic A component made of material, such as rubber.
  • the elastic connecting piece 30 is provided between the stator 10 and the mover 20. The elastic connecting piece 30 deforms by itself to provide the restoring force of the mover 20 during the movement to make the mover 20 move.
  • the sub 20 can move non-linearly relative to the stator 10.
  • the stator 10 in this embodiment includes a frame body 11, the frame body 11 is a square structure, the mover 20 is arranged in the frame body 11, one end of the elastic connecting member 30 is connected to an inner side wall of the frame body 11, and the other end is connected to the mover 20 is connected to realize the installation and fixation between the mover 20, the stator 10 and the elastic connecting member 30.
  • the mover 20 is a square structure, the mover 20 has a first side surface 21, a second side surface 22, and a third side surface 23, wherein the two sides of the first side surface 21 and the second side surface 22 respectively And the third side surface 23 is connected, and the third side surface 23 and the second side surface 22 are arranged opposite to each other.
  • the mover 20 is provided with a card slot 24, and the card slot 24 extends from the first side surface 21 toward the inside of the mover 20, and the elastic connecting member The other end of 30 is detachably connected to the card slot 24.
  • the first end 31 is connected to an inner side wall of the frame 11, and at least two transitional connections extend from the first end 31 toward the second end 32 in a trend of decreasing volume in order to facilitate elasticity
  • the connecting member 30 can stretch when subjected to force.
  • the at least two transitional connections include a first transitional connection 33 connected to the first end 31 and a second transitional connection 34 connected between the first transitional connection 33 and the second end 32.
  • the volume of a transitional connecting portion 33 is greater than that of the second transitional connecting portion 34, the second transitional connecting portion 34 and the second end 32 are both embedded in the slot 24, and the first transitional connecting portion 33 is outside the slot 24.
  • the second end 32 includes a rectangular plane 321 connected to the second transition connecting portion 34 and a first arc surface 322 whose two ends are respectively connected to two opposite side edges of the rectangular plane 321.
  • the second end 32 is close to the second transition
  • the end surface of the connecting portion 34 is larger than the end surface of the second transitional connecting portion 34 close to the second end 32
  • the slot 24 includes a first mounting slot 241 and a second mounting slot extending from the first side surface 21 toward the inside of the mover 20 in sequence Groove 242, the first installation groove 241 and the second installation groove 242 all extend to the second side surface 22, the second end 32 is clamped in the second installation groove 242, and the second transition connecting portion 34 penetrates the first installation groove 241 and connected with the second end 32 to form a card insertion connection with the card slot 24.
  • the utility model also provides a motor, which has the aforementioned non-linear spring connection structure 1.
  • the second transitional connecting portion 34 and the second end 32 of the elastic connecting member 30 are both embedded inside the mover 20, resulting in the second transitional connecting portion 34
  • the volume of the second end 32 and the second end 32 cannot be compressed, and can only compress the volume of the first transition connection 33.
  • the rigidity of the elastic connecting member 30 is relatively high.
  • the second transition connecting portion 34 of the elastic connecting member 30 has a smaller volume than the first transition connecting portion 33, which causes the second transition connecting portion 34 to deform.
  • the motion rigidity of the elastic connecting member 30 is relatively small, and the specific value of the rigidity in the present invention can be designed according to actual requirements. For details, please refer to FIG. 8.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Linear Motors (AREA)

Abstract

本实用新型提供一种非线性弹簧连接结构及马达，非线性弹簧连接结构包括定子、动子以及设于定子与动子之间的弹性连接件，弹性连接件包括与定子连接的第一端部、与动子连接的第二端部和至少两个连接于第一端部与第二端部之间的过渡连接部，至少两个过渡连接部以体积依次减小的趋势从第一端部朝向第二端部延伸。本实用新型通过在定子与动子之间设置弹性连接件，在具体应用中，弹性连接件通过自身变形，提供动子在运动过程中的回复力，以使动子相对定子可作非线性运动，使得非线性弹簧连接结构更加简单，降低了非线性弹簧连接结构的制造成本。

Description

非线性弹簧连接结构及马达 技术领域
本实用新型涉及弹簧结构技术领域，尤其涉及一种应用于马达内的非线性弹簧连接结构。
 背景技术
市场上弹簧连接结构中的弹簧大部分都是线性弹簧，动子通过线性弹簧只能相对定子作一个方向的伸缩运动，为了使动子可相对定子作非线性运动，后来本领域技术员将多种金属弹簧进行组合或者采用磁性弹簧来取代原有的线性弹簧，以实现动子相对定子作非线性运动。
但是，这种采用多种金属弹簧进行组合或者采用磁性弹簧来实现动子相对定子作非线性运动的弹簧连接结构，其结构复杂、成本高。
因此，有必要提供一种非线性弹簧连接结构来解决现有能实现非线性运动的弹簧连接结构的结构复杂、成本高的问题。
 技术问题
本实用新型的目的在于提供一种结构简单、成本低的非线性弹簧连接结构。
 技术解决方案
本实用新型的技术方案如下：
为实现上述目的，本实用新型提供了一种非线性弹簧连接结构，包括定子、动子以及设于所述定子与所述动子之间的弹性连接件，所述弹性连接件包括与所述定子连接的第一端部、与所述动子连接的第二端部和至少两个连接于所述第一端部与所述第二端部之间的过渡连接部，所述至少两个过渡连接部以体积依次减小的趋势从所述第一端部朝向所述第二端部延伸。
作为一种改进，所述至少两个过渡连接部包括与所述第一端部连接的第一过渡连接部和连接于所述第一过渡连接部与所述第二端部之间的第二过渡连接部，所述第一过渡连接部的体积大于所述第二过渡连接部的体积。
作为一种改进，所述第二端部之靠近所述第二过渡连接部的端面大于所述第二过渡连接部之靠近所述第二端部的端面。
作为一种改进，所述动子具有相邻连接的第一侧面和第二侧面，所述动子上设有从所述第一侧面朝向所述动子内部依次延伸的第一安装槽和第二安装槽，所述第一安装槽和所述第二安装槽都延伸至所述第二侧面，所述第二端部卡置于所述第二安装槽内，所述第二过渡连接部穿设于所述第一安装槽内。
作为一种改进，所述动子还具有与所述第一侧面相邻连接且与所述第二侧面间隔相对设置的第三侧面，所述第一安装槽和所述第二安装槽都从所述第二侧面朝向所述第三侧面贯穿设置。
作为一种改进，所述第二端部包括与所述第二过渡连接部连接的矩形平面和两端分别与所述矩形平面之两相对侧边缘连接的第一弧形面。
作为一种改进，所述第二过渡连接部和所述第一端部都为矩形结构，所述第一过渡连接部包括两个第二弧形面，两个所述第二弧形面分别从所述第一端部的两相对侧边缘以间距逐渐减小的趋势延伸至所述第二过渡连接部的两相对侧边缘。
作为一种改进，所述弹性连接件为由弹性橡胶一体制成的部件。
作为一种改进，所述定子包括框体，所述动子设于所述框体内，所述第一端部与所述框体的一内侧壁连接。
本实用新型还提供了一种马达，具有如上述所述的非线性弹簧连接结构。
 有益效果
本实用新型通过在定子与动子之间设置弹性连接件，并将弹性连接件设为包括与定子连接的第一端部、与动子连接的第二端部和至少两个连接于第一端部与第二端部之间的过渡连接部，各过渡连接部以体积依次减小的趋势从第一端部朝向第二端部延伸，这样，在具体应用中，弹性连接件通过自身变形，提供动子在运动过程中的回复力，以使动子相对定子可作非线性运动，使得非线性弹簧连接结构更加简单，降低了非线性弹簧连接结构的制造成本。
 附图说明
图1为本实用新型实施例提供的非线性弹簧连接结构的立体图；
图2为图1的爆炸示意图；
图3为本实用新型实施例提供的动子的立体图；
图4为本实用新型实施例提供的弹性连接件的立体图；
图5为本实用新型实施例提供的非线性弹簧连接结构内弹性连接件处于静止状态时的正视图；
图6为本实用新型实施例提供的非线性弹簧连接结构内弹性连接件处于压缩运动时的正视图；
图7为本实用新型实施例提供的非线性弹簧连接结构内弹性连接件处于拉伸状态时的正视图；
图8为本实用新型实施例提供的弹性连接件运行各阶段中其刚度示意图。
图中：1、非线性弹簧连接结构；10、定子；11、框体；20、动子；21、第一侧面；22、第二侧面；23、第三侧面；24、卡槽；241、第一安装槽；242、第二安装槽；30、弹性连接件；31、第一端部；32、第二端部；321、矩形平面；322、第一弧形面；33、第一过渡连接部；331、第二弧形面；34、第二过渡连接部。
 本发明的实施方式
请参阅图1和图4，具体地，弹性连接件30包括与定子10连接的第一端部31、与动子20连接的第二端部32和至少两个
连接于第一端部31与第二端部32之间下面结合附图和实施方式对本实用新型作进一步说明。
需要说明的是，本实用新型实施例中所有方向性指示（诸如上、下、内、外、顶部、底部……）仅用于解释在某一特定姿态（如附图所示）下各部件之间的相对位置关系等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
还需要说明的是，当元件被称为“固定于”或“设置于”另一个元件上时，该元件可以直接在另一个元件上或者可能同时存在居中元件。当一个元件被称为“连接”另一个元件，它可以是直接连接另一个元件或者可能同时存在居中元件。
请参阅图1至图8，本实用新型的实施例提供一种非线性弹簧连接结构1，非线性弹簧连接结构1包括定子10、动子20以及弹性连接件30，弹性连接件30为由弹性材料制作而成的部件，比如为橡胶材质，弹性连接件30设于定子10与动子20之间，弹性连接件30通过自身变形，提供动子20在运动过程中的回复力，以使动子20相对定子10可作非线性运动。
本实施例中的定子10包括框体11，框体11为方形结构，动子20设于框体11内，弹性连接件30的一端与框体11的一内侧壁连接、另一端与动子20连接，以实现动子20、定子10和弹性连接件30之间的安装固定。
请参阅图2和图3，动子20为方形结构，动子20具有第一侧面21、第二侧面22以及第三侧面23，其中，第一侧面21的两侧边分别与第二侧面22以及第三侧面23连接，第三侧面23与第二侧面22间隔相对设置，动子20上设有卡槽24，该卡槽24从第一侧面21朝向动子20内部延伸设置，弹性连接件30的另一端与该卡槽24可拆卸连接。
的过渡连接部，第一端部31与框体11的一内侧壁连接，至少两个过渡连接部以体积依次减小的趋势从第一端部31朝向第二端部32延伸，以便于弹性连接件30在受力时能够拉伸。
优选地，至少两个过渡连接部包括与第一端部31连接的第一过渡连接部33和连接于第一过渡连接部33与第二端部32之间的第二过渡连接部34，第一过渡连接部33的体积大于第二过渡连接部34的体积，第二过渡连接部34和第二端部32都嵌入于该卡槽24内，第一过渡连接部33在卡槽24外。
第二端部32包括与第二过渡连接部34连接的矩形平面321和两端分别与矩形平面321之两相对侧边缘连接的第一弧形面322，第二端部32之靠近第二过渡连接部34的端面大于第二过渡连接部34之靠近第二端部32的端面，所述卡槽24包括从第一侧面21朝向动子20内部依次延伸的第一安装槽241和第二安装槽242，第一安装槽241和第二安装槽242都延伸至第二侧面22，第二端部32卡置于第二安装槽242内，第二过渡连接部34穿设于第一安装槽241内并与第二端部32连接以与该卡槽24形成卡插连接。
优选地，第一端部31为矩形结构，第一过渡连接部33包括两个第二弧形面331，两个第二弧形面331分别从第一端部31的两相对侧边缘以间距逐渐减小的趋势延伸至第二过渡连接部34的两相对侧边缘，为了便于装配第二端部32和第二过渡连接部34，第一安装槽241和第二安装槽242都从第二侧面22朝向第三侧面23贯穿设置。
本实用新型还提供了一种马达，该马达具有上述所述的非线性弹簧连接结构1。
请参阅图5，本实用新型中，当动子20处于静止状态时，弹性连接件30通过第一端部31和第二端部32分别连接定子10、动子20，以保持二者装配位置。
请参阅图6，当动子20向左侧运动时，由于弹性连接件30的第二过渡连接部34和第二端部32都是内嵌于动子20内部，导致第二过渡连接部34和第二端部32的体积无法压缩，只能压缩第一过渡连接部33的体积，此时弹性连接件30的刚度较大。
请参阅图7和图8，当弹性连接件30处于拉伸状态时，由于弹性连接件30的第二过渡连接部34体积小于第一过渡连接部33，导致第二过渡连接部34发生变形。此时，弹性连接件30的运动刚度较小，本实用新型中刚度的具体值可以根据实际需求进行设计，具体可参阅图8。
以上所述的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。

Claims (10)

  1. 一种非线性弹簧连接结构，其特征在于：包括定子、动子以及设于所述定子与所述动子之间的弹性连接件，所述弹性连接件包括与所述定子连接的第一端部、与所述动子连接的第二端部和至少两个连接于所述第一端部与所述第二端部之间的过渡连接部，所述至少两个过渡连接部以体积依次减小的趋势从所述第一端部朝向所述第二端部延伸。
  2. 根据权利要求1所述的非线性弹簧连接结构，其特征在于，所述至少两个过渡连接部包括与所述第一端部连接的第一过渡连接部和连接于所述第一过渡连接部与所述第二端部之间的第二过渡连接部，所述第一过渡连接部的体积大于所述第二过渡连接部的体积。
  3. 根据权利要求2所述的非线性弹簧连接结构，其特征在于，所述第二端部之靠近所述第二过渡连接部的端面大于所述第二过渡连接部之靠近所述第二端部的端面。
  4. 根据权利要求2所述的非线性弹簧连接结构，其特征在于，所述动子具有相邻连接的第一侧面和第二侧面，所述动子上设有从所述第一侧面朝向所述动子内部依次延伸的第一安装槽和第二安装槽，所述第一安装槽和所述第二安装槽都延伸至所述第二侧面，所述第二端部卡置于所述第二安装槽内，所述第二过渡连接部穿设于所述第一安装槽内。
  5. 根据权利要求4所述的非线性弹簧连接结构，其特征在于，所述动子还具有与所述第一侧面相邻连接且与所述第二侧面间隔相对设置的第三侧面，所述第一安装槽和所述第二安装槽都从所述第二侧面朝向所述第三侧面贯穿设置。
  6. 根据权利要求2所述的非线性弹簧连接结构，其特征在于，所述第二端部包括与所述第二过渡连接部连接的矩形平面和两端分别与所述矩形平面之两相对侧边缘连接的第一弧形面。
  7. 根据权利要求2所述的非线性弹簧连接结构，其特征在于，所述第二过渡连接部和所述第一端部都为矩形结构，所述第一过渡连接部包括两个第二弧形面，两个所述第二弧形面分别从所述第一端部的两相对侧边缘以间距逐渐减小的趋势延伸至所述第二过渡连接部的两相对侧边缘。
  8. 根据权利要求1至7任一项所述的非线性弹簧连接结构，其特征在于，所述弹性连接件为由弹性橡胶一体制成的部件。
  9. 根据权利要求1至7任一项所述的非线性弹簧连接结构，其特征在于，所述定子包括框体，所述动子设于所述框体内，所述第一端部与所述框体的一内侧壁连接。
  10. 一种马达，其特征在于：具有如权利要求1至9任一项所述的非线性弹簧连接结构。
PCT/CN2019/093951 2019-06-29 2019-06-29 非线性弹簧连接结构及马达 WO2021000072A1 (zh)

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