WO2015032035A1 - Elastic apparatus and terminal - Google Patents

Elastic apparatus and terminal Download PDF

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Publication number
WO2015032035A1
WO2015032035A1 PCT/CN2013/082912 CN2013082912W WO2015032035A1 WO 2015032035 A1 WO2015032035 A1 WO 2015032035A1 CN 2013082912 W CN2013082912 W CN 2013082912W WO 2015032035 A1 WO2015032035 A1 WO 2015032035A1
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WO
WIPO (PCT)
Prior art keywords
elastic
elastic arm
arm
rear end
bending
Prior art date
Application number
PCT/CN2013/082912
Other languages
French (fr)
Chinese (zh)
Inventor
曹金啼
Original Assignee
华为终端有限公司
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.)
Filing date
Publication date
Application filed by 华为终端有限公司 filed Critical 华为终端有限公司
Priority to CN201380073989.2A priority Critical patent/CN105229333B/en
Priority to PCT/CN2013/082912 priority patent/WO2015032035A1/en
Publication of WO2015032035A1 publication Critical patent/WO2015032035A1/en

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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
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/025—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant characterised by having a particular shape

Definitions

  • the present invention relates to mechanical technology, and more particularly to an elastic device and a terminal.
  • Structural type elastic devices generally include a helical elastic device and a bending elastic device.
  • a spiral elastic device such as a spring, a bending elastic device such as a spring piece or the like.
  • thickened shrapnel is easy to plastically deform the shrapnel, increase the volume of the shrapnel, and take up more space.
  • the embodiment of the present invention provides an elastic device and a terminal, so that the elastic force that the elastic piece can provide is greatly increased, and the plastic deformation caused by the excessive thickness is effectively avoided.
  • an embodiment of the present invention provides an elastic device, including:
  • the first elastic arm includes a first front end first bent portion and a first rear end, and the first rear end is fixedly connected to the connecting portion;
  • the second elastic arm includes a second front end, a second bent portion and a second rear end, and the second rear end is fixedly connected to the connecting portion;
  • the third elastic arm includes a third front end, a third bent portion and a third rear end, which are sequentially connected, and the third rear end is connected to the connecting portion;
  • the connecting portion has a first connecting side and a second connecting side that are oppositely disposed; the first rear end and the first connecting side a second connecting end is fixedly connected to the second connecting side, the first bent portion is opposite to the second bent portion; the third bent portion is located at the first bend Between the folded portion and the second bent portion, the third rear end is connected to the first connecting side, and the third bent portion is opposite to the second bent portion.
  • the first bending portion, the second bending portion, and the third bending portion are respectively curved in an arc shape;
  • the first bent portion and the second bent portion respectively protrude in opposite directions, and the third bent portion and the second bent portion respectively protrude in opposite directions.
  • the method further includes: forming, by the first front end toward the second elastic arm There is a first raised portion.
  • the third front end is formed with a third raised portion toward the second front end.
  • the method further includes a protection arm, the protection arm including the first elastic arm a protective arm guard section around the second resilient arm and the third resilient arm, and a fourth rear end fixedly coupled to the connecting portion.
  • the protection arm guard segment is located in a plane parallel to the connecting portion, and the protection arm The guard segment is a first distance from the connecting portion.
  • the first elastic arm, the second elastic arm, and the third elastic arm are respectively bent by the elongated plate form.
  • the symmetric cross sections of the first elastic arm, the second elastic arm, and the third elastic arm are all located in a vertical direction In the same plane of the connecting portion.
  • Another embodiment of the present invention provides a terminal, including the elastic device of any of the above.
  • the elastic device and the terminal provided by the embodiment can provide progressively increasing elastic force, increase the maximum load limit of the elastic device, and expand the range of external force that the elastic device can carry; Compared with the technology, it is no longer necessary to increase the thickness of each elastic arm, and effectively avoid the problem that the excessive thickness dimension causes plastic deformation, thereby causing the entire elastic device to fail.
  • FIG. 1 is a schematic structural view of an elastic device according to an embodiment of the present invention.
  • FIG. 2 is a schematic view of a resilient device according to another embodiment of the present invention.
  • Figure 3a is a front view of the elastic piece subjected to one bending
  • Figure 3b is a mechanical simulation diagram of the shrapnel shown in Figure 3a;
  • Figure 3c is a front view of the elastic device shown in Figure 2 under stress
  • Figure 3d is a mechanical simulation diagram of the elastic device shown in Figure 2;
  • FIG. 4 is a schematic view of a resilient device according to another embodiment of the present invention.
  • the embodiment provides an elastic device, including: a connecting portion 10 , a first elastic arm 21 , a second elastic arm 22 , and a third elastic arm 23 .
  • the first elastic arm 21 may include a serial connection. a first front end 211, a first bent portion 212 and a first rear end 213, and a first rear end 213 and a connection
  • the second elastic arm 22 may include a second front end 221, a second bent portion 222 and a second rear end 223 which are sequentially connected, and the second rear end 223 is fixedly connected with the connecting portion 10; the third elastic arm 23
  • the third front end 231, the third bent portion 232, and the third rear end 233 may be connected in series, and the third rear end 233 is connected to the connecting portion 10;
  • the first elastic arm 21, the second elastic arm 22, and the third elastic arm 23 is located on the same side of the connecting portion 10, and the second front end 221 is located between the first front end 21 1 and the connecting portion 10, and the third front end 231 is located between the second
  • the connecting portion 10 may be a horizontally disposed plate-shaped body, and the first elastic arm 21, the second elastic arm 22 and the third elastic arm 23 may be fixedly disposed on the same side surface of the connecting portion 10, wherein the first rear end 213.
  • the second rear end 223 and the third rear end 233 and the connecting portion 10 may be fixed by welding, bonding, or the like, and may of course be integrally formed.
  • the first elastic arm 21, the second elastic arm 22 and the third elastic arm 23 may be formed by an elongated plate-shaped or columnar elastic substrate through a sheet metal bending process, and the first bent portion 212 formed by bending
  • the specific shapes of the two bent portions 222 and the third bent portion 232 are not limited, and may be, for example, bent along a fold line (as shown in FIG. 1 ), or may be bent along a curve (as shown in FIG. 2 ), or may be The combination of the two.
  • first bending portion 212, the second bending portion 222 or the third bending portion 232 may be respectively located in different planes, correspondingly, the first rear end 213, the second rear end 223 and the third rear
  • the fixed connection points of the end 233 and the connecting portion 10 may not be on the same straight line, and the first elastic arm 21, the second elastic arm 22 and the third elastic arm 23 adopt a three-dimensional space arrangement.
  • the first bending portion 212, the second bending portion 222 or the third bending portion 232 may also be located in the same plane.
  • the second front end 221 is located between the first front end 21 1 and the connecting portion 10, and the third front end 231 is located between the second front end 221 and the connecting portion 10; the connecting portion 10 is horizontally disposed, the first elastic arm 21, and the second elastic portion
  • the arm 22 and the third elastic arm 23 are respectively located above the connecting portion 10.
  • the first front end 211 should be located at the uppermost position, and the second front end 221 may be located directly below the first front end 211 or below the first bent portion 212, and third.
  • the front end 231 can be located directly below the second front end 221 or below the second bent portion 212, so that when the overall device is subjected to the pressure perpendicular to the connecting portion 10, the first elastic arm 21 can be pressed and deformed to be touched to the second The elastic arm 22, and further pressing the second elastic arm 22 to deform and touch the third elastic arm 23, thereby The elastic arms are made to resist external pressure together.
  • the elastic device provided in this embodiment can be installed such that the side of each elastic arm faces the external pressure applying member, and when the pressure is small, the deformation of the first elastic arm 21 does not touch the second elasticity under the action thereof.
  • the elastic restoring force provided by the entire device is provided by the first elastic arm 21; when the pressure is large, the first elastic arm 21 is deformed to touch the second elastic arm 22 and drive the second elastic arm
  • the elastic restoring force provided by the entire device is provided by the first elastic arm 21 and the second elastic arm 22; and when the pressure is greater, the first elastic arm 21 drives the second elastic arm 22 to deform together until After the second elastic arm 22 touches the third elastic arm 23 below it, the first elastic arm 21, the second elastic arm 22 and the third elastic arm 23 can be elastically deformed and jointly provide resistance to the device.
  • the elastic restoring force of the external pressure is provided by the first elastic arm 21; when the pressure is large, the first elastic arm 21 is deformed to touch the second elastic arm 22 and drive the second elastic arm.
  • the elastic device provided by the embodiment can provide an incremental spring force, increase the maximum load limit of the elastic device, and expand the range of the elastic device capable of carrying the external force; in addition, compared with the prior art, It is further necessary to increase the thickness of each elastic arm, effectively avoiding the problem that the excessive thickness dimension causes plastic deformation, thereby causing the entire elastic device to fail.
  • the elastic device of the embodiment may be made of an elastic material such as a metal material or a non-metal material, and the gp may be an electric conductor, and may be used for a battery installation or the like of each electronic device, or may be a non-conductor. , for non-conducting scenes, and scenes that need to be insulated from each other and need to provide elasticity.
  • the application scenario of the elastic device is not limited in this embodiment.
  • the connecting portion 10 has a first connecting side 101 and a second connecting side 102 disposed opposite to each other; the first rear end 213 is fixedly connected to the first connecting side 101, The second bending portion 223 is fixedly connected to the second connecting portion 102 , and the first bending portion 212 is opposite to the second bending portion 222 ; the third bending portion 232 is located at the first bending portion 212 and the second bending portion 222 .
  • the third rear end 233 is connected to the first connecting side 101, and the third bent portion 232 is opposite to the second bent portion 222.
  • the first elastic arm 21 and the third elastic arm 23 may be respectively connected to the same side of the connecting portion 10 (the first connecting side 101), and the second elastic arm 22 is connected to the opposite second connecting side 102, wherein A rear end 213 may be two, and the two first rear ends 213 are fixedly connected to the first connection side and the third rear end 233, respectively.
  • the first bending portion 212, the second bending portion 222, and the third bending portion 232 are respectively curved in an arc shape, and the first bending portion 212 and the second bending portion 222 respectively protrude in opposite directions,
  • the third bent portion 232 and the second bent portion 222 respectively protrude in opposite directions; that is, the first bent portion 212 is located outside the third bent portion 232, and both protrude in the same direction, this embodiment
  • the third bending portion 232 is located between the first bending portion 212 and the second bending portion 222, and the space occupied by the entire device is surrounded by the first elastic arm 21 and the second elastic arm 22, and the structure is further Compact, it helps to reduce the space occupied by the entire elastic device.
  • the extended shape and size of the first bending portion 212, the second bending portion 222, and the third bending portion 232 only need to ensure that the first front end 211, the second front end 221, and the third front end 231 are gradually closer to the connecting portion 10.
  • the direction of the curve is linear; wherein the curvature of curvature and the cross-sectional dimension of each bend can be determined according to the value of the elastic restoring force provided by each elastic arm, and the first front end 21 1 and the second front end can be further determined.
  • the gap between the second end 231 and the third front end 231 ensures that each elastic arm can touch the adjacent elastic arm before plastic deformation occurs, thereby ensuring reliable operation of the elastic device; and also saving material and saving manufacturing cost.
  • the first elastic arm 21, the second elastic arm 22, and the third elastic arm 23 may be respectively formed by bending an elongated plate, and even if the elongated plate is bent in the longitudinal direction to form a desired curved curve,
  • the total length of the elastic arm formed by machining is the length of the original elongated plate
  • the width of the elastic arm is the width of the original elongated plate.
  • the thickness of the elastic arm is the thickness of the original elongated plate, and only needs to be selected during processing. The long plate of size and material can be used.
  • the symmetrical cross sections of the first elastic arms 21, the second elastic arms 22, and the third elastic arms 23 formed by bending the elongated plates are all located in the same plane of the connecting portion 10.
  • the symmetrical section of the first elastic arm 21 refers to a section perpendicular to the width direction of the first elastic arm 21 and penetrates the first elastic arm 21, and the section divides the first elastic arm 21 into two parts symmetric about the section. Then, each part is exactly the same as the curved shape of the first elastic arm 21 and has a thickness equal to one half of the first elastic arm 21; the symmetrical cross-sections of the second elastic arm 22 and the third elastic arm 23 have similar meanings, and are not described herein again. .
  • each elastic arm is located in a plane perpendicular to the connecting portion 10, so that each elastic arm is symmetrical about the same plane, and each elastic arm is perpendicular to the connecting portion 10, so that the elastic effect can be maximized. And has good structural stability, further ensuring the reliable operation of the entire elastic device.
  • Figure 3a is a front view of the elastic piece in the state of the prior art
  • Figure 3b is a mechanical simulation view of the elastic piece shown in Figure 3a
  • Figure 3c is a front view of the elastic device shown in Figure 2 under stress
  • Figure 3d is Figure 2 shows the mechanical simulation diagram of the elastic device; as shown in FIG. 3a to FIG. 3d, the maximum force that the elastic piece can bear in the prior art is 2 Newtons, and the elastic device of the present embodiment including three bending elastic pieces can withstand 4.
  • a force of more than 5 Newtons greatly increases the load-bearing limit of the elastic device.
  • the elastic device provided by the embodiment can provide step-by-step incremental and larger elastic force, and has compact structure and small occupied space, avoids the problem of increasing the thickness and causing plastic deformation and volume increase, and is convenient for processing.
  • the first front end 211 may be convexly formed with the first convex portion 201 toward the second elastic arm 22 to reduce the space between the first elastic arm 21 and the second elastic arm 22.
  • the third front end 231 may be formed with a third convex portion 203 toward the second front end 232 to reduce a gap between the second elastic arm 22 and the third elastic arm 23; specifically, the first The front end 211 is bent toward the side of the connecting portion 10 to form a flange as the first convex portion 201.
  • the third convex portion 203 may be a protrusion formed by punching at the surface of the third front end 231 toward the second front end 221 .
  • the first elastic arm 21, the second elastic arm 22, and the first state are adjusted in a natural state.
  • the elastic device provided in this embodiment further includes a protection arm 41 including a first elastic arm 21, a second elastic arm 22, and a third elastic foundation.
  • guard arm guard segment 411 can also provide a position of the suction cup for Surface Mounted Technology (SMT), gp, a plurality of suction cups can be disposed on the surface of the guard arm guard segment 411, and the elastic device can be disposed through the suction cup It is fixedly mounted to the corresponding electronic device, which further facilitates the installation process.
  • SMT Surface Mounted Technology
  • the embodiment provides a terminal, which includes the elastic device described in the above embodiments, wherein the structure and function of the elastic device are similar to those of the foregoing embodiment, and details are not described herein again.

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  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Telephone Set Structure (AREA)

Abstract

An elastic apparatus and a terminal, comprising: a connecting part (10); a first elastic arm (21), wherein the first elastic arm (21) comprises a first front end (211), a first bending part (212) and a first rear end (213) that are connected in sequence, and the first rear end (213) is fixedly connected to the connecting part (10); a second elastic arm (22), wherein the second elastic arm (22) comprises a second front end (221), a second bending part (222) and a second rear part (223) that are connected in sequence, and the second rear end (223) is fixedly connected to the connecting part (10); and a third elastic arm (23), wherein the third elastic arm (23) comprises a third front end (231), a third bending part (232) and a third rear part (233) that are connected in sequence, and the third rear end (233) is connected to the connecting part (10). The first elastic arm (21), the second elastic arm (22) and the third elastic arm (23) are on a same side of the connecting part (10), the second front end (221) is located between the first front end (211) and the connecting part (10), and the third front end (231) is located between the second front end (221) and the connecting part (10).

Description

弹性装置及终端 技术领域  Elastic device and terminal
本发明涉及机械技术， 尤其涉及一种弹性装置及终端。  The present invention relates to mechanical technology, and more particularly to an elastic device and a terminal.
背景技术 Background technique
结构类的弹性装置一般包括螺旋状弹性装置和弯折型弹性装置。  Structural type elastic devices generally include a helical elastic device and a bending elastic device.
其中， 螺旋状弹性装置如弹簧， 弯折型弹性装置如弹片等。  Among them, a spiral elastic device such as a spring, a bending elastic device such as a spring piece or the like.
通常， 弯折型弹性装置都是经过一次折弯的弹片， 所能提供的弹力较小。 为了增加弹力， 现有技术的做法是加厚弹片， 或者加大弹片的体积， 提供更 大的弹力。  Usually, the bending type elastic device is a one-folded elastic piece, which can provide a small elastic force. In order to increase the spring force, the prior art practice is to thicken the shrapnel or increase the volume of the shrapnel to provide greater elasticity.
但是， 加厚弹片容易使弹片出现塑性变形， 加大弹片的体积， 又会占用 更多的空间。  However, thickened shrapnel is easy to plastically deform the shrapnel, increase the volume of the shrapnel, and take up more space.
发明内容 Summary of the invention
有鉴于此， 本发明实施例提供一种弹性装置及终端， 从而使弹片所能提 供的弹力大幅度增加， 有效避免过大厚度尺寸引发塑性变形。  In view of this, the embodiment of the present invention provides an elastic device and a terminal, so that the elastic force that the elastic piece can provide is greatly increased, and the plastic deformation caused by the excessive thickness is effectively avoided.
第一方面， 本发明实施例提供一种弹性装置， 包括：  In a first aspect, an embodiment of the present invention provides an elastic device, including:
连接部；  Connection part
第一弹性臂， 所述第一弹性臂包括依次连接的第一前端 第一弯折部和 第一后端， 所述第一后端与所述连接部固定连接；  a first elastic arm, the first elastic arm includes a first front end first bent portion and a first rear end, and the first rear end is fixedly connected to the connecting portion;
第二弹性臂， 所述第二弹性臂包括依次连接的第二前端 第二弯折部和 第二后端， 所述第二后端与所述连接部固定连接；  a second elastic arm, the second elastic arm includes a second front end, a second bent portion and a second rear end, and the second rear end is fixedly connected to the connecting portion;
第三弹性臂， 所述第三弹性臂包括依次连接的第三前端 第三弯折部和 第三后端， 所述第三后端与所述连接部连接；  a third elastic arm, the third elastic arm includes a third front end, a third bent portion and a third rear end, which are sequentially connected, and the third rear end is connected to the connecting portion;
所述第一弹性臂、 第二弹性臂和第三弹性臂位于所述连接部的同一侧， 且所述第二前端位于所述第一前端到所述连接部之间， 所述第三前端位于所 述第二前端到所述连接部之间。 结合第一方面， 在第一方面的第一种可能的实现方式中， 所述连接部具 有相对设置的第一连接侧和第二连接侧； 所述第一后端与所述第一连接侧固 定连接， 所述第二后端与所述第二连接侧固定连接， 所述第一弯折部与所述 第二弯折部相对设置； 所述第三弯折部位于所述第一弯折部和第二弯折部之 间， 所述第三后端与所述第一连接侧连接， 且所述第三弯折部与所述第二弯 折部相对设置。 The first elastic arm, the second elastic arm and the third elastic arm are located on the same side of the connecting portion, and the second front end is located between the first front end and the connecting portion, the third front end Located between the second front end and the connecting portion. In conjunction with the first aspect, in a first possible implementation manner of the first aspect, the connecting portion has a first connecting side and a second connecting side that are oppositely disposed; the first rear end and the first connecting side a second connecting end is fixedly connected to the second connecting side, the first bent portion is opposite to the second bent portion; the third bent portion is located at the first bend Between the folded portion and the second bent portion, the third rear end is connected to the first connecting side, and the third bent portion is opposite to the second bent portion.
结合第一种可能的实现方式， 在第一方面的第二种可能的实现方式中， 所述第一弯折部、 第二弯折部和第三弯折部分别呈弧状弯曲； 且所述第一弯 折部和第二弯折部分别朝相反方向凸出， 所述第三弯折部与所述第二弯折部 分别朝相反方向凸出。  With reference to the first possible implementation manner, in a second possible implementation manner of the first aspect, the first bending portion, the second bending portion, and the third bending portion are respectively curved in an arc shape; The first bent portion and the second bent portion respectively protrude in opposite directions, and the third bent portion and the second bent portion respectively protrude in opposite directions.
结合第一方面或其第一种或第二种可能的实现方式， 在第一方面的第三 种可能的实现方式中， 还包括： 所述第一前端朝所述第二弹性臂凸出形成有 第一凸起部。  In combination with the first aspect or the first or second possible implementation manner thereof, in a third possible implementation manner of the first aspect, the method further includes: forming, by the first front end toward the second elastic arm There is a first raised portion.
结合第一方面的第三种可能的实现方式， 在第一方面的第四种可能的实 现方式中， 所述第三前端朝所述第二前端形成有第三凸起部。  In conjunction with the third possible implementation of the first aspect, in a fourth possible implementation of the first aspect, the third front end is formed with a third raised portion toward the second front end.
结合第一至第四种可能的实现方式中的任一种， 在第一方面的第五种可 能的实现方式中， 还包括保护臂， 所述保护臂包括围设在所述第一弹性臂、 第二弹性臂和第三弹性臂周围的保护臂防护段， 以及与所述连接部固定连接 的第四后端。  In combination with any one of the first to fourth possible implementations, in a fifth possible implementation of the first aspect, the method further includes a protection arm, the protection arm including the first elastic arm a protective arm guard section around the second resilient arm and the third resilient arm, and a fourth rear end fixedly coupled to the connecting portion.
结合第一方面的第五种可能的实现方式中， 在第一方面的第六种可能的 实现方式中， 所述保护臂防护段位于平行于所述连接部的平面内， 且所述保 护臂防护段距离所述连接部第一距离。  In conjunction with the fifth possible implementation of the first aspect, in a sixth possible implementation manner of the first aspect, the protection arm guard segment is located in a plane parallel to the connecting portion, and the protection arm The guard segment is a first distance from the connecting portion.
结合第一至第六中可能的实现方式中， 在第一方面的第七种可能的实现 方式中， 所述第一弹性臂、第二弹性臂和第三弹性臂分别由长形板弯折形成。  In a possible implementation manner of the first to sixth, in a seventh possible implementation manner of the first aspect, the first elastic arm, the second elastic arm, and the third elastic arm are respectively bent by the elongated plate form.
结合第一方面的第七中可能的实现方式中， 在第一方面的第八种可能的 实现方式中， 所述第一弹性臂、 第二弹性臂和第三弹性臂的对称截面均位于 垂直于所述连接部的同一平面内。  In a possible implementation manner of the seventh aspect of the first aspect, in an eighth possible implementation manner of the first aspect, the symmetric cross sections of the first elastic arm, the second elastic arm, and the third elastic arm are all located in a vertical direction In the same plane of the connecting portion.
本发明另一实施例提供一种终端， 包括如上任一所述的弹性装置。 本实施例提供的弹性装置及终端， 可以提供逐级递增的弹力， 增加弹性 装置的最大承载限额， 也扩大了弹性装置所能承载外力的范围； 另外， 与现 有技术相比， 不再需要增加各弹性臂的厚度， 有效避免过大厚度尺寸引发塑 性变形、 从而导致整个弹性装置失效的问题。 Another embodiment of the present invention provides a terminal, including the elastic device of any of the above. The elastic device and the terminal provided by the embodiment can provide progressively increasing elastic force, increase the maximum load limit of the elastic device, and expand the range of external force that the elastic device can carry; Compared with the technology, it is no longer necessary to increase the thickness of each elastic arm, and effectively avoid the problem that the excessive thickness dimension causes plastic deformation, thereby causing the entire elastic device to fail.
附图说明 DRAWINGS
为了更清楚地说明本发明实施例中的技术方案， 下面将对实施例描述中 所需要使用的附图作简要介绍， 显而易见地， 下面描述中的附图仅仅是本发 明的一些实施例， 对于本领域的普通技术人员来讲， 在不付出创造性劳动性 的前提下， 还可以根据这些附图获得其他的附图。 图 1为本发明一实施例提供的弹性装置的结构示意图;  In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following drawings will be briefly described in the description of the embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, Those skilled in the art can also obtain other drawings based on these drawings without paying creative labor. 1 is a schematic structural view of an elastic device according to an embodiment of the present invention;
图 2为本发明另一个实施例提供的弹性装置的示意图;  2 is a schematic view of a resilient device according to another embodiment of the present invention;
图 3a为经过一次弯折的弹片受力状态下的主视图；  Figure 3a is a front view of the elastic piece subjected to one bending;
图 3b为图 3a所示弹片的力学仿真图；  Figure 3b is a mechanical simulation diagram of the shrapnel shown in Figure 3a;
图 3c为图 2所示弹性装置受力状态下的主视图；  Figure 3c is a front view of the elastic device shown in Figure 2 under stress;
图 3d为图 2所示弹性装置的力学仿真图；  Figure 3d is a mechanical simulation diagram of the elastic device shown in Figure 2;
图 4为本发明另一个实施例提供的弹性装置的示意图。  4 is a schematic view of a resilient device according to another embodiment of the present invention.
具体实施方式 detailed description
为了使本发明的目的、 技术方案和优点更加清楚， 下面将结合附图对本 发明作进一步地详细描述， 显然， 所描述的实施例仅仅是本发明一部份实施 例， 而不是全部的实施例。 基于本发明中的实施例， 本领域普通技术人员在 没有做出创造性劳动前提下所获得的所有其它实施例， 都属于本发明保护的 范围。 实施例一 图 1为本发明一实施例提供的弹性装置的结构示意图； 图 2为本发明另 一实施例提供的弹性装置的立体图。  The present invention will be further described in detail with reference to the accompanying drawings, in which FIG. . All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention. 1 is a schematic structural view of an elastic device according to an embodiment of the present invention; and FIG. 2 is a perspective view of a resilient device according to another embodiment of the present invention.
请参照图 1， 本实施例提供一种弹性装置， 包括： 连接部 10、 第一弹性 臂 21、 第二弹性臂 22和第三弹性臂 23 ; 其中， 第一弹性臂 21， 可包括依次 连接的第一前端 211、第一弯折部 212和第一后端 213， 第一后端 213与连接 部 10固定连接； 第二弹性臂 22可包括依次连接的第二前端 221、 第二弯折 部 222和第二后端 223， 第二后端 223与连接部 10固定连接； 第三弹性臂 23 可包括依次连接的第三前端 231、第三弯折部 232和第三后端 233， 第三后端 233与连接部 10连接； 第一弹性臂 21、第二弹性臂 22和第三弹性臂 23位于 连接部 10的同一侧， 且第二前端 221位于第一前端 21 1到连接部 10之间， 第三前端 231位于第二前端 221到连接部 10之间。 Referring to FIG. 1 , the embodiment provides an elastic device, including: a connecting portion 10 , a first elastic arm 21 , a second elastic arm 22 , and a third elastic arm 23 . The first elastic arm 21 may include a serial connection. a first front end 211, a first bent portion 212 and a first rear end 213, and a first rear end 213 and a connection The second elastic arm 22 may include a second front end 221, a second bent portion 222 and a second rear end 223 which are sequentially connected, and the second rear end 223 is fixedly connected with the connecting portion 10; the third elastic arm 23 The third front end 231, the third bent portion 232, and the third rear end 233 may be connected in series, and the third rear end 233 is connected to the connecting portion 10; the first elastic arm 21, the second elastic arm 22, and the third elastic arm 23 is located on the same side of the connecting portion 10, and the second front end 221 is located between the first front end 21 1 and the connecting portion 10, and the third front end 231 is located between the second front end 221 and the connecting portion 10.
具体地， 连接部 10可以为一水平设置的板状体， 连接部 10的同一侧表 面上可以固定设置第一弹性臂 21、 第二弹性臂 22和第三弹性臂 23， 其中第 一后端 213、 第二后端 223和第三后端 233与连接部 10可以采用焊接、 粘接 等方式固定在一起， 当然也可以通过一体成型加工而成。 第一弹性臂 21、 第 二弹性臂 22和第三弹性臂 23可以由长形板状或柱状的弹性基材经过钣金折 弯工艺形成， 其弯折形成的第一弯折部 212、 第二弯折部 222和第三弯折部 232的具体形状不作限定， 例如可以沿折线弯折 （如图 1所示）， 也可以沿曲 线弯折 （如图 2所示）， 或者也可以将两者结合。  Specifically, the connecting portion 10 may be a horizontally disposed plate-shaped body, and the first elastic arm 21, the second elastic arm 22 and the third elastic arm 23 may be fixedly disposed on the same side surface of the connecting portion 10, wherein the first rear end 213. The second rear end 223 and the third rear end 233 and the connecting portion 10 may be fixed by welding, bonding, or the like, and may of course be integrally formed. The first elastic arm 21, the second elastic arm 22 and the third elastic arm 23 may be formed by an elongated plate-shaped or columnar elastic substrate through a sheet metal bending process, and the first bent portion 212 formed by bending The specific shapes of the two bent portions 222 and the third bent portion 232 are not limited, and may be, for example, bent along a fold line (as shown in FIG. 1 ), or may be bent along a curve (as shown in FIG. 2 ), or may be The combination of the two.
进一步地， 第一弯折部 212、 第二弯折部 222或第三弯折部 232的可分 别位于不同的平面内， 对应地， 第一后端 213、 第二后端 223和第三后端 233 与连接部 10 固定连接点可以不在同一直线上， 第一弹性臂 21、 第二弹性臂 22和第三弹性臂 23采用三维空间设置方式。 当然， 第一弯折部 212、 第二弯 折部 222或第三弯折部 232也可位于同一平面内， 对应地， 第一后端 213、 第二后端 223和第三后端 233可以排列呈一直线， 即第一弹性臂 21、 第二弹 性臂 22和第三弹性臂 23也可采用二维平面设置方式。 但是， 不论第一弹性 臂 21、 第二弹性臂 22和第三弹性臂 23采用哪种方式排列， 都需要保证第一 前端 211、 第二前端 221和第三前端 231之间的相对位置， gp， 第二前端 221 位于第一前端 21 1到连接部 10之间，第三前端 231位于第二前端 221到连接 部 10之间； 以连接部 10水平设置、 第一弹性臂 21、 第二弹性臂 22和第三 弹性臂 23分别位于连接部 10上方为例， 第一前端 211应位于最上方， 第二 前端 221可以位于第一前端 211正下方、 或第一弯折部 212下方， 第三前端 231则可位于第二前端 221正下方、 或第二弯折部 212下方， 以在整体装置 受到垂直于连接部 10的压力时， 第一弹性臂 21受压变形后可碰触到第二弹 性臂 22、 并进一步压迫第二弹性臂 22使其变形碰触到第三弹性臂 23， 从而 使各弹性臂一同抵抗外部压力。 Further, the first bending portion 212, the second bending portion 222 or the third bending portion 232 may be respectively located in different planes, correspondingly, the first rear end 213, the second rear end 223 and the third rear The fixed connection points of the end 233 and the connecting portion 10 may not be on the same straight line, and the first elastic arm 21, the second elastic arm 22 and the third elastic arm 23 adopt a three-dimensional space arrangement. Certainly, the first bending portion 212, the second bending portion 222 or the third bending portion 232 may also be located in the same plane. Correspondingly, the first rear end 213, the second rear end 223 and the third rear end 233 may be The arrangement is in a straight line, that is, the first elastic arm 21, the second elastic arm 22, and the third elastic arm 23 can also be arranged in a two-dimensional plane. However, regardless of the manner in which the first elastic arm 21, the second elastic arm 22, and the third elastic arm 23 are arranged, it is necessary to ensure the relative position between the first front end 211, the second front end 221, and the third front end 231, gp The second front end 221 is located between the first front end 21 1 and the connecting portion 10, and the third front end 231 is located between the second front end 221 and the connecting portion 10; the connecting portion 10 is horizontally disposed, the first elastic arm 21, and the second elastic portion For example, the arm 22 and the third elastic arm 23 are respectively located above the connecting portion 10. The first front end 211 should be located at the uppermost position, and the second front end 221 may be located directly below the first front end 211 or below the first bent portion 212, and third. The front end 231 can be located directly below the second front end 221 or below the second bent portion 212, so that when the overall device is subjected to the pressure perpendicular to the connecting portion 10, the first elastic arm 21 can be pressed and deformed to be touched to the second The elastic arm 22, and further pressing the second elastic arm 22 to deform and touch the third elastic arm 23, thereby The elastic arms are made to resist external pressure together.
本实施例提供的弹性装置在安装时， 可使各弹性臂所在一侧朝向外部压 力施加部件， 当该压力较小， 使得在其作用下第一弹性臂 21的变形未碰触到 第二弹性臂 22时， 整个装置的提供的弹性恢复力都由第一弹性臂 21提供； 当该压力较大， 使得第一弹性臂 21变形后碰触到第二弹性臂 22、 并带动第 二弹性臂 22发生变形时， 整个装置提供的弹性恢复力由第一弹性臂 21和第 二弹性臂 22共同提供； 而当该压力更大， 使得第一弹性臂 21带动第二弹性 臂 22共同变形、直至第二弹性臂 22碰触到其下方的第三弹性臂 23后， 则可 使第一弹性臂 21、 第二弹性臂 22和第三弹性臂 23都发生弹性形变、 且共同 为该装置提供抵抗外压的弹性恢复力。  The elastic device provided in this embodiment can be installed such that the side of each elastic arm faces the external pressure applying member, and when the pressure is small, the deformation of the first elastic arm 21 does not touch the second elasticity under the action thereof. In the case of the arm 22, the elastic restoring force provided by the entire device is provided by the first elastic arm 21; when the pressure is large, the first elastic arm 21 is deformed to touch the second elastic arm 22 and drive the second elastic arm When the deformation occurs, the elastic restoring force provided by the entire device is provided by the first elastic arm 21 and the second elastic arm 22; and when the pressure is greater, the first elastic arm 21 drives the second elastic arm 22 to deform together until After the second elastic arm 22 touches the third elastic arm 23 below it, the first elastic arm 21, the second elastic arm 22 and the third elastic arm 23 can be elastically deformed and jointly provide resistance to the device. The elastic restoring force of the external pressure.
由此可见， 本实施例提供的弹性装置， 可以提供逐级递增的弹力， 增加 弹性装置的最大承载限额， 也扩大了弹性装置所能承载外力的范围； 另外， 与现有技术相比， 不再需要增加各弹性臂的厚度， 有效避免过大厚度尺寸引 发塑性变形、 从而导致整个弹性装置失效的问题。  It can be seen that the elastic device provided by the embodiment can provide an incremental spring force, increase the maximum load limit of the elastic device, and expand the range of the elastic device capable of carrying the external force; in addition, compared with the prior art, It is further necessary to increase the thickness of each elastic arm, effectively avoiding the problem that the excessive thickness dimension causes plastic deformation, thereby causing the entire elastic device to fail.
需要说明的是， 本实施例的弹性装置可以采用金属材料或非金属材料等 弹性材料制造， gp， 可以为导电体， 可以用于各中电子设备的电池安装等场 景， 也可以为非导电体， 用于非导电场景、 以及需要彼此绝缘且需要提供弹 力的场景。 当然， 弹性装置的应用场景本实施例中对此并不限定。  It should be noted that the elastic device of the embodiment may be made of an elastic material such as a metal material or a non-metal material, and the gp may be an electric conductor, and may be used for a battery installation or the like of each electronic device, or may be a non-conductor. , for non-conducting scenes, and scenes that need to be insulated from each other and need to provide elasticity. Of course, the application scenario of the elastic device is not limited in this embodiment.
实施例二  Embodiment 2
本实施例是在实施例一的基础上， 以第一弹性臂、 第二弹性臂和第三弹 性臂采用二维平面设置形式为例进行详细说明。 如图 2所示， 本实施例提供 的弹性装置中，连接部 10具有相对设置的第一连接侧 101和第二连接侧 102 ; 第一后端 213与该第一连接侧 101固定连接，第二后端 223与第二连接侧 102 固定连接， 则第一弯折部 212与第二弯折部 222相对设置； 第三弯折部 232 位于第一弯折部 212和第二弯折部 222之间， 第三后端 233与上述第一连接 侧 101连接， 且第三弯折部 232与第二弯折部 222相对设置。 gp， 第一弹性 臂 21和第三弹性臂 23可以分别连接在连接部 10的同一侧 (第一连接侧 101 )， 第二弹性臂 22则连接在相反的第二连接侧 102， 其中， 第一后端 213可以为 两个， 且两个第一后端 213分别固定连接在第一连接侧上、 第三后端 233的 并且， 第一弯折部 212、 第二弯折部 222和第三弯折部 232可分别呈弧 状弯曲， 且第一弯折部 212和第二弯折部 222分别朝相反方向凸出， 第三弯 折部 232与第二弯折部 222分别朝相反方向凸出；也就是说，第一弯折部 212 位于第三弯折部 232外侧、 且两者朝同一方向凸出， 本实施例中， 由于第三 弯折部 232位于第一弯折部 212和第二弯折部 222之间， 则整个装置占用的 空间即由第一弹性臂 21和第二弹性臂 22围成， 结构更为紧凑， 有利于降低 整个弹性装置的空间占用量。 This embodiment is based on the first embodiment, and the first elastic arm, the second elastic arm, and the third elastic arm are configured in a two-dimensional plane as an example for detailed description. As shown in FIG. 2, in the elastic device provided in this embodiment, the connecting portion 10 has a first connecting side 101 and a second connecting side 102 disposed opposite to each other; the first rear end 213 is fixedly connected to the first connecting side 101, The second bending portion 223 is fixedly connected to the second connecting portion 102 , and the first bending portion 212 is opposite to the second bending portion 222 ; the third bending portion 232 is located at the first bending portion 212 and the second bending portion 222 . The third rear end 233 is connected to the first connecting side 101, and the third bent portion 232 is opposite to the second bent portion 222. Gp, the first elastic arm 21 and the third elastic arm 23 may be respectively connected to the same side of the connecting portion 10 (the first connecting side 101), and the second elastic arm 22 is connected to the opposite second connecting side 102, wherein A rear end 213 may be two, and the two first rear ends 213 are fixedly connected to the first connection side and the third rear end 233, respectively. The first bending portion 212, the second bending portion 222, and the third bending portion 232 are respectively curved in an arc shape, and the first bending portion 212 and the second bending portion 222 respectively protrude in opposite directions, The third bent portion 232 and the second bent portion 222 respectively protrude in opposite directions; that is, the first bent portion 212 is located outside the third bent portion 232, and both protrude in the same direction, this embodiment The third bending portion 232 is located between the first bending portion 212 and the second bending portion 222, and the space occupied by the entire device is surrounded by the first elastic arm 21 and the second elastic arm 22, and the structure is further Compact, it helps to reduce the space occupied by the entire elastic device.
另外， 第一弯折部 212、 第二弯折部 222和第三弯折部 232的延伸形状 和尺寸只需确保第一前端 211、 第二前端 221和第三前端 231沿逐渐靠近连 接部 10的方向上直线排列； 其中， 弯曲曲率及各弯折部的横截面尺寸则可以 根据需要每个弹性臂提供的弹性恢复力的值来确定， 进而还可以确定第一前 端 21 1、 第二前端 221和第三前端 231之间的间隙， 以保证每个弹性臂在发 生塑性变形之前即可以碰触到相邻的弹性臂， 保证弹性装置的可靠工作； 且 还可以节省材料， 节约制造成本。  In addition, the extended shape and size of the first bending portion 212, the second bending portion 222, and the third bending portion 232 only need to ensure that the first front end 211, the second front end 221, and the third front end 231 are gradually closer to the connecting portion 10. The direction of the curve is linear; wherein the curvature of curvature and the cross-sectional dimension of each bend can be determined according to the value of the elastic restoring force provided by each elastic arm, and the first front end 21 1 and the second front end can be further determined. The gap between the second end 231 and the third front end 231 ensures that each elastic arm can touch the adjacent elastic arm before plastic deformation occurs, thereby ensuring reliable operation of the elastic device; and also saving material and saving manufacturing cost.
在具体加工工艺中， 第一弹性臂 21、 第二弹性臂 22和第三弹性臂 23可 分别由长形板弯折形成，即使长形板沿长度方向进行弯折形成所需弯曲曲线， 则加工形成的弹性臂的总长即为原长形板的长度， 该弹性臂的宽度则为原长 形板的宽度， 该弹性臂的厚度为原长形板的板厚， 加工时仅需选择合适尺寸、 材质的长形板即可。  In a specific processing process, the first elastic arm 21, the second elastic arm 22, and the third elastic arm 23 may be respectively formed by bending an elongated plate, and even if the elongated plate is bent in the longitudinal direction to form a desired curved curve, The total length of the elastic arm formed by machining is the length of the original elongated plate, and the width of the elastic arm is the width of the original elongated plate. The thickness of the elastic arm is the thickness of the original elongated plate, and only needs to be selected during processing. The long plate of size and material can be used.
长形板弯折形成的第一弹性臂 21、 第二弹性臂 22和第三弹性臂 23的对 称截面均位于连接部 10的同一平面内。 其中， 第一弹性臂 21的对称截面是 指， 垂直于第一弹性臂 21宽度方向的、 贯穿第一弹性臂 21的截面， 且该截 面将第一弹性臂 21 分关于该截面对称的两部分， 则每一部分与第一弹性臂 21的弯曲形状完全相同、 厚度为第一弹性臂 21的一半； 第二弹性臂 22和第 三弹性臂 23的对称截面含义与之类似， 此处不再赘述。各弹性臂的对称截面 位于一个垂直于连接部 10的平面内， 则使得各弹性臂均关于同一平面对称， 且各弹性臂均垂直于连接部 10， 可使其最大程度地发挥其弹性作用， 且具有 良好的结构稳定性， 进一步保证了整个弹性装置的可靠工作。  The symmetrical cross sections of the first elastic arms 21, the second elastic arms 22, and the third elastic arms 23 formed by bending the elongated plates are all located in the same plane of the connecting portion 10. The symmetrical section of the first elastic arm 21 refers to a section perpendicular to the width direction of the first elastic arm 21 and penetrates the first elastic arm 21, and the section divides the first elastic arm 21 into two parts symmetric about the section. Then, each part is exactly the same as the curved shape of the first elastic arm 21 and has a thickness equal to one half of the first elastic arm 21; the symmetrical cross-sections of the second elastic arm 22 and the third elastic arm 23 have similar meanings, and are not described herein again. . The symmetrical cross section of each elastic arm is located in a plane perpendicular to the connecting portion 10, so that each elastic arm is symmetrical about the same plane, and each elastic arm is perpendicular to the connecting portion 10, so that the elastic effect can be maximized. And has good structural stability, further ensuring the reliable operation of the entire elastic device.
图 3a为现有技术中的弹片受力状态下的主视图； 图 3b为图 3a所示弹片 的力学仿真图； 图 3c为图 2所示弹性装置受力状态下的主视图； 图 3d为图 2所示弹性装置的力学仿真图； 如图 3a〜图 3d所示， 现有技术中的弹片能承 受的最大力为 2牛顿， 本实施例包括三个弯折弹片的弹性装置能承受 4. 5牛 顿以上的力， 大大提高了弹性装置的承载极限。 本实施例提供的弹性装置， 能够提供逐级递增的、 更大的弹力， 且结构 紧凑， 占用空间小， 避免了增加厚度而引发塑性变形和体积增大的问题， 且 便于加工。 Figure 3a is a front view of the elastic piece in the state of the prior art; Figure 3b is a mechanical simulation view of the elastic piece shown in Figure 3a; Figure 3c is a front view of the elastic device shown in Figure 2 under stress; Figure 3d is Figure 2 shows the mechanical simulation diagram of the elastic device; as shown in FIG. 3a to FIG. 3d, the maximum force that the elastic piece can bear in the prior art is 2 Newtons, and the elastic device of the present embodiment including three bending elastic pieces can withstand 4. A force of more than 5 Newtons greatly increases the load-bearing limit of the elastic device. The elastic device provided by the embodiment can provide step-by-step incremental and larger elastic force, and has compact structure and small occupied space, avoids the problem of increasing the thickness and causing plastic deformation and volume increase, and is convenient for processing.
进一步地， 请参阅图 2和图 3c， 第一前端 211朝第二弹性臂 22可凸出 形成有第一凸起部 201， 以减小第一弹性臂 21和第二弹性臂 22之间的距离； 类似地， 第三前端 231朝第二前端 232可形成有第三凸起部 203， 以减小第 二弹性臂 22和第三弹性臂 23之间的间隙； 具体地， 可以将第一前端 211朝 连接部 10—侧弯折形成翻边， 以作为第一凸起部 201 ; 第三凸起部 203可为 通过冲压形成在第三前端 231朝向第二前端 221表面的凸起。  Further, referring to FIG. 2 and FIG. 3c, the first front end 211 may be convexly formed with the first convex portion 201 toward the second elastic arm 22 to reduce the space between the first elastic arm 21 and the second elastic arm 22. Similarly, the third front end 231 may be formed with a third convex portion 203 toward the second front end 232 to reduce a gap between the second elastic arm 22 and the third elastic arm 23; specifically, the first The front end 211 is bent toward the side of the connecting portion 10 to form a flange as the first convex portion 201. The third convex portion 203 may be a protrusion formed by punching at the surface of the third front end 231 toward the second front end 221 .
这样， 在便可实现在第一弯折部 212、第二弯折部 222和第三弯折部 232 不变的情况下， 调整自然状态下第一弹性臂 21、 第二弹性臂 22和第三弹性 臂 23之间的间隙， 从而调整弹簧装置提供弹力的变化梯度。  Thus, in the case where the first bending portion 212, the second bending portion 222, and the third bending portion 232 are constant, the first elastic arm 21, the second elastic arm 22, and the first state are adjusted in a natural state. The gap between the three resilient arms 23, thereby adjusting the spring means to provide a gradient of the spring force.
实施例三  Embodiment 3
图 4为本发明又一个实施例提供的弹性装置的示意图； 本实施例在实施 例二的基础上增加了保护臂。 如图 4所示， 本实施例提供的弹性装置在实施 例二的基础上， 还包括保护臂 41， 该保护臂 41包括围设在第一弹性臂 21、 第二弹性臂 22和第三弹性臂 23周围的保护臂防护段 411， 以及与连接部 10 固定连接的第四后端 412。  4 is a schematic view of a resilient device according to still another embodiment of the present invention; this embodiment adds a protective arm to the second embodiment. As shown in FIG. 4, the elastic device provided in this embodiment further includes a protection arm 41 including a first elastic arm 21, a second elastic arm 22, and a third elastic foundation. A guard arm guard segment 411 around the arm 23, and a fourth rear end 412 fixedly coupled to the joint portion 10.
具体地， 保护臂防护段 411还可以呈封闭或半封闭的环状， 第一弹性臂 21、 第二弹性臂 22和第三弹性臂 23则可以设置该环状的保护臂防护段 41 1 围成的区域内， 第四后端 412的一端可以与保护臂防护段 411固定、 另一端 则可以与连接部 10固定。当然第四后端 412与保护臂防护段 411可以为一体 结构， 而且， 整个保护臂 41与连接部 10也可为一体成型结构， 此时， 保护 臂防护段 411可以呈半封闭环状， 分别形成于保护臂防护段 411两端的第四 后端 412分别连接于连接部 10上第二后端 223的两侧。保护臂防护段 411与 各弹性臂可以接触或不接触， 用于对其内部的第一弹性臂 21、第二弹性臂 22 和第三弹性臂 23起到止挡作用， 保证在垂直于连接部 10的压力作用下各侧 壁仅朝连接部 10变形， 防止各弹性臂向周围倾倒。 Specifically, the protection arm guard segment 411 may also be in a closed or semi-closed annular shape, and the first elastic arm 21, the second elastic arm 22 and the third elastic arm 23 may be provided with the annular protective arm protection segment 41 1 In the formed region, one end of the fourth rear end 412 may be fixed to the guard arm guard section 411, and the other end may be fixed to the joint portion 10. Of course, the fourth rear end 412 and the protective arm guarding section 411 can be a unitary structure, and the entire protective arm 41 and the connecting portion 10 can also be an integrally formed structure. At this time, the protective arm guarding section 411 can be semi-closed and ring-shaped, respectively. The fourth rear ends 412 formed at both ends of the guard arm guard section 411 are respectively connected to both sides of the second rear end 223 of the connecting portion 10. The protection arm guard segment 411 can be in contact with or not in contact with each of the elastic arms, and is used for stopping the first elastic arm 21, the second elastic arm 22 and the third elastic arm 23 of the inner portion thereof, and is ensured to be perpendicular to the connection portion. 10 under the pressure of each side The wall is only deformed toward the connecting portion 10 to prevent the respective elastic arms from tipping over.
进一步地， 保护臂防护段 411可位于平行于连接部 10的平面内， 且保护 臂防护段 411距离连接部第一距离； 其中， 该保护臂防护段 411的距离连接 部 10的第一距离应保证在整个装置处于最大承载状态时、 大于第三后端 233 距离连接部 10的距离， 从而保证防护臂防护段 411不承载， 保证弹性装置能 达到提供最大弹性力的最大压缩状态。  Further, the protection arm guard segment 411 may be located in a plane parallel to the connection portion 10, and the protection arm guard segment 411 is a first distance from the connection portion; wherein the first distance of the protection arm protection segment 411 from the connection portion 10 is It is ensured that the distance between the third rear end 233 and the connecting portion 10 is greater when the entire device is in the maximum load state, so that the guard arm guard segment 411 is not carried, and the elastic device can achieve the maximum compression state that provides the maximum elastic force.
另外， 保护臂防护段 411 还可以为表面贴装技术 （Surface Mounted Technology, SMT)提供吸盘的位置， gp， 可以在保护臂防护段 411的表面上 设置多个吸盘， 并通过该吸盘将弹性装置固定安装到相应的电子设备上， 进 一步方便了安装工艺。  In addition, the guard arm guard segment 411 can also provide a position of the suction cup for Surface Mounted Technology (SMT), gp, a plurality of suction cups can be disposed on the surface of the guard arm guard segment 411, and the elastic device can be disposed through the suction cup It is fixedly mounted to the corresponding electronic device, which further facilitates the installation process.
实施例四  Embodiment 4
本实施例提供一种终端， 包括上述各实施例所述的弹性装置， 其中弹性 装置的结构和功能与前述实施例类似， 此处不再赘述。  The embodiment provides a terminal, which includes the elastic device described in the above embodiments, wherein the structure and function of the elastic device are similar to those of the foregoing embodiment, and details are not described herein again.
需要说明的是，上述各实施例提供的弹性装置可以用于手机等移动终端， 也可以用于需要占用空间小且弹力较大的弹性装置的其他设备。  It should be noted that the elastic device provided in each of the foregoing embodiments may be used for a mobile terminal such as a mobile phone, or may be used for other devices that require an elastic device that occupies a small space and has a large elastic force.
最后应说明的是： 以上各实施例仅用以说明本发明的技术方案， 而非对 其限制； 尽管参照前述各实施例对本发明进行了详细的说明， 本领域的普通 技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改， 或者对其中部分或者全部技术特征进行等同替换； 而这些修改或者替换， 并 不使相应技术方案的本质脱离本发明各实施例技术方案的范围。  Finally, it should be noted that the above embodiments are only for explaining the technical solutions of the present invention, and are not intended to be limiting thereof; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that The technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equivalently replaced; and the modifications or substitutions do not deviate from the technical solutions of the embodiments of the present invention. range.

Claims

权利 要 求 Rights request
1、 一种弹性装置， 其特征在于， 包括： 1. An elastic device, characterized in that it includes:
连接部； connector;
第一弹性臂， 所述第一弹性臂包括依次连接的第一前端、 第一弯折部和 第一后端， 所述第一后端与所述连接部固定连接； A first elastic arm, the first elastic arm includes a first front end, a first bending part and a first rear end connected in sequence, the first rear end is fixedly connected to the connecting part;
第二弹性臂， 所述第二弹性臂包括依次连接的第二前端、 第二弯折部和 第二后端， 所述第二后端与所述连接部固定连接； A second elastic arm, the second elastic arm includes a second front end, a second bending part and a second rear end connected in sequence, the second rear end is fixedly connected to the connecting part;
第三弹性臂， 所述第三弹性臂包括依次连接的第三前端、 第三弯折部和 第三后端， 所述第三后端与所述连接部连接； A third elastic arm, the third elastic arm includes a third front end, a third bending portion and a third rear end connected in sequence, the third rear end is connected to the connecting portion;
所述第一弹性臂、 第二弹性臂和第三弹性臂位于所述连接部的同一侧， 且所述第二前端位于所述第一前端到所述连接部之间， 所述第三前端位于所 述第二前端到所述连接部之间。 The first elastic arm, the second elastic arm and the third elastic arm are located on the same side of the connecting part, and the second front end is located between the first front end and the connecting part, and the third front end Located between the second front end and the connecting portion.
2、 根据权利要求 1所述的弹性装置， 其特征在于， 所述连接部具有相对 设置的第一连接侧和第二连接侧；所述第一后端与所述第一连接侧固定连接， 所述第二后端与所述第二连接侧固定连接， 所述第一弯折部与所述第二弯折 部相对设置； 所述第三弯折部位于所述第一弯折部和第二弯折部之间， 所述 第三后端与所述第一连接侧连接， 且所述第三弯折部与所述第二弯折部相对 设置。 2. The elastic device according to claim 1, wherein the connecting portion has a first connecting side and a second connecting side that are oppositely arranged; the first rear end is fixedly connected to the first connecting side, The second rear end is fixedly connected to the second connection side, the first bending part and the second bending part are arranged oppositely; the third bending part is located between the first bending part and the second bending part. Between the second bending parts, the third rear end is connected to the first connection side, and the third bending part is opposite to the second bending part.
3、 根据权利要求 2所述的弹性装置， 其特征在于， 所述第一弯折部、 第 二弯折部和第三弯折部分别呈弧状弯曲； 且所述第一弯折部和第二弯折部分 别朝相反方向凸出，所述第三弯折部与所述第二弯折部分别朝相反方向凸出。 3. The elastic device according to claim 2, wherein the first bending part, the second bending part and the third bending part are each curved in an arc shape; and the first bending part and the third bending part are curved in an arc shape. The two bending parts protrude in opposite directions respectively, and the third bending part and the second bending part protrude in opposite directions respectively.
4、 根据权利要求 1或 2或 3所述的弹性装置， 其特征在于， 还包括： 所 述第一前端朝所述第二弹性臂凸出形成有第一凸起部。 4. The elastic device according to claim 1, 2, or 3, further comprising: a first protrusion formed on the first front end protruding toward the second elastic arm.
5、 根据权利要求 4所述的弹性装置， 其特征在于， 所述第三前端朝所述 第二前端形成有第三凸起部。 5. The elastic device according to claim 4, wherein the third front end is formed with a third protruding portion toward the second front end.
6、根据权利要求 2-5任一所述的弹性装置，其特征在于，还包括保护臂， 所述保护臂包括围设在所述第一弹性臂、 第二弹性臂和第三弹性臂周围的保 护臂防护段， 以及与所述连接部固定连接的第四后端。 6. The elastic device according to any one of claims 2 to 5, further comprising a protective arm, the protective arm including a protective arm surrounding the first elastic arm, the second elastic arm and the third elastic arm. The protective arm protective section, and the fourth rear end fixedly connected with the connecting part.
7、 根据权利要求 6所述的弹性装置， 其特征在于， 所述保护臂防护段位 于平行于所述连接部的平面内， 且所述保护臂防护段距离所述连接部第一距 7. The elastic device according to claim 6, wherein the protective arm protective section is located in a plane parallel to the connecting part, and the protective arm protective section is a first distance away from the connecting part.
8、 根据权利要求 2-7任一项所述的弹性装置， 其特征在于， 所述第一弹 性臂、 第二弹性臂和第三弹性臂分别由长形板弯折形成。 8. The elastic device according to any one of claims 2 to 7, characterized in that the first elastic arm, the second elastic arm and the third elastic arm are respectively formed by bending an elongated plate.
9、 根据权利要求 8所述的弹性装置， 其特征在于， 所述第一弹性臂、 第 二弹性臂和第三弹性臂的对称截面均位于垂直于所述连接部的同一平面内。 9. The elastic device according to claim 8, wherein the symmetrical cross-sections of the first elastic arm, the second elastic arm and the third elastic arm are all located in the same plane perpendicular to the connecting part.
10、 一种终端， 其特征在于， 包括如权利要求 1-9任一所述的弹性装置。 10. A terminal, characterized in that it includes an elastic device according to any one of claims 1-9.
PCT/CN2013/082912 2013-09-04 2013-09-04 Elastic apparatus and terminal WO2015032035A1 (en)

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