WO2018033045A1 - 一种卡扣及弹簧针保护方法 - Google Patents

一种卡扣及弹簧针保护方法 Download PDF

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Publication number
WO2018033045A1
WO2018033045A1 PCT/CN2017/097365 CN2017097365W WO2018033045A1 WO 2018033045 A1 WO2018033045 A1 WO 2018033045A1 CN 2017097365 W CN2017097365 W CN 2017097365W WO 2018033045 A1 WO2018033045 A1 WO 2018033045A1
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Prior art keywords
pin
fixing member
pins
spring
slot
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PCT/CN2017/097365
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English (en)
French (fr)
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杨健勃
刘旸
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杨健勃
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Publication of WO2018033045A1 publication Critical patent/WO2018033045A1/zh

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    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/06—Releasable fastening devices with snap-action
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted

Definitions

  • the invention relates to the field of mechanical connectors and protective members, and in particular to a buckle and a spring pin protection method.
  • the buckle is widely used in various industries.
  • the two connectors are firmly connected together by the buckle.
  • the rotary buckle is the most common type of buckle.
  • two screws can be conveniently realized by screwing.
  • the installation and disassembly of the connector is very convenient.
  • the buckle is composed of two parts, a fixed part and a rotating part, and some components need to be placed between the fixed part and the rotating part in order to achieve an effect, and then the fixed part and the rotating part are fixedly connected together.
  • the existing buckle installation is cumbersome, and the assembly error is likely to occur during installation, which seriously affects the normal use and installation efficiency of the buckle.
  • the return spring is used to support the protective case.
  • the spring pin When the return spring is not subjected to an external force, the spring pin is hidden inside the protective case, which can prevent the spring pin from being scratched or short-circuited by other objects in the external environment, but when the return spring is subjected to an external force in a compressed state, the spring The needle exposes the protective case to achieve mating with other components. Based on the action of the return spring and the protective case, the spring pin can be effectively protected for a longer life.
  • the pogo pin is located inside the return spring, and the surface of the return spring is provided with an insulating layer.
  • the fixing member has a disk shape, one side of the fixing member has a concave spherical shape, and a groove-like structure is disposed in a spherical shape of the concave portion, and a through hole is disposed in the groove-shaped structure.
  • the slot is substantially evenly distributed around the slot structure; the fixing member is provided with a first pinhole, the first pinhole is located in the slot structure, the first pinhole One end is closed.
  • the pin is structured as a hook, the pin includes a body portion and a hook portion, the body portion extends into the slot and the hook portion hooks into the slot,
  • the side of the pin that is remote from the axis of the rotating link is a bevel.
  • the number of the slot and the pin are three, and at least one of the pins can only be inserted into one of the slots.
  • the strips extend in the radial direction of the rotary joint, and the number of the strips is two
  • Each of the strips is disposed along a circumference of the rotary joint, and the two strips are rotationally symmetric about an axis of the rotary joint.
  • the third slope segment is a curved surface, a distance between the third slope segment and the fixing member is gradually increased, and an end of the third slope segment away from the closed end is The distance between the fixing members is greater than the distance between the end of the third ramp portion near the closed end and the fixing member.
  • the slot is a blind hole structure.
  • a buckle includes a fixing member and a rotary connecting member, one side of the rotating connecting member is provided with a pin, the fixing member is provided with a slot for connecting the pin, and the number of the pin and the slot Equal and all at least three, each of the pins can only be engaged with one of the slots.
  • the number of the pins is four, and the four pins are annularly distributed, which are a first pin, a second pin, a third pin, and a fourth pin, and the first pin and the a distance between the third pins is different from a distance between the second pins and the fourth pins, a length of the first pins is different from a length of the third pins or the first pins are
  • the rotational distance of the rotary joint is unequal to the axial distance of the third pin and the rotary joint.
  • the side wall of the rotary joint is provided with a strip block, the strip block is arranged along the circumferential direction of the rotary joint, and the strip block forms a guide with the fixing member.
  • a groove the guiding groove is disposed along a circumferential direction of the fixing member, one end of the guiding groove is a screwing end, and the other end of the guiding groove is a closed end.
  • a pogo pin protection method comprising the steps of:
  • the spring pin being a compressible spring pin
  • the buckle comprising a fixing member, a rotary connecting member and a protective case, wherein one side of the rotating connecting member is Each of the plurality of pins provided is only engaged with one of the plurality of slots provided on the fixing member;
  • the receiving groove is The fixing member is enclosed with the rotating connecting member and has an open end, the protective shell is slidably embedded in the receiving groove and closes the open end, and the receiving groove and the protective shell are enclosed for placing a restoring spring is disposed between the fixing member and the protective shell, and two ends of the return spring respectively abut the fixing member and the protective shell, and the spring pins are arranged side by side in the interior of the return spring.
  • the surface of the return spring may be coated to prevent short circuit between the spring pins; when the return spring is not subjected to an external force, the spring pin is hidden inside the protective case, and the spring pin is scratched or short-circuited by other objects in the external environment; When the return spring is under compression by the external force, the spring pin exposes the protective case, thereby achieving docking and conducting with other components; the plurality of second pinholes It is disposed on the protective case and opened in a straight line direction.
  • the rotating connector is annular
  • the pins are equal to the number of slots and are at least three, and each of the pins is only engaged with one of the slots.
  • the beneficial effects of the embodiment of the present invention are: the fixing member and the rotating connecting member cooperate with each other and fix other components, the pins of the rotating connecting member may be hook members, the slots may be through holes, hook members The fixing member can be inserted into the through hole and hooked to the fixing member to realize the fixing between the fixing member and the rotating connecting member.
  • the fixing member and the rotating connecting member are integrated, and the rotating member can be rotated and attached to the other connecting body.
  • One-to-one correspondence between the pin and the slot, the fixing member and the rotating connector have only one assembly station, and the other assembly stations can not make the two cards, thereby effectively preventing assembly errors, effectively improving the assembly accuracy and installation of the buckle. Efficiency, effectively ensure the normal operation of the device after the buckle is installed.
  • FIG. 1 is a schematic structural diagram of a buckle provided by an embodiment of the present invention
  • Figure 2 is a schematic view showing the connection relationship between the fixing member and the rotary connecting member of Figure 1;
  • Figure 3 is a schematic exploded view of Figure 2;
  • FIG 4 is a schematic structural view of the fixing member of Figure 3;
  • Figure 5 is a schematic structural view of the rotary joint of Figure 3.
  • FIG. 6 is a schematic structural view of another perspective of FIG. 3;
  • Figure 7 is a schematic structural view of the rotary joint of Figure 6;
  • Figure 8 is a schematic structural view of a rotary connecting member after installing a protective case
  • FIG. 9 is a schematic structural view of another perspective of FIG. 8.
  • FIG. 9 is a schematic structural view of another perspective of FIG. 8.
  • a fixing member 110 a slot 111; a first slot 1111; a second slot 1112; a third slot 1113; a fourth slot 1114; a first pinhole 112; a slot structure 113;
  • Rotating connector 130 pin 131; first pin 1311; second pin 1312; third pin 1313; fourth pin 1314; strip block 132; guide slot 133; notch 134;
  • the spring pin 170 can be compressed.
  • setting and “connecting” are to be understood broadly, and may be, for example, a fixed connection or a detachable connection, or Connected integrally; can be mechanical or electrical; can be directly connected or indirectly connected through an intermediate medium, which can be the internal communication between the two components.
  • intermediate medium which can be the internal communication between the two components.
  • an embodiment of the present invention provides a buckle 10 including a fixing member 110 , a rotating connecting member 130 , and a protective shell 150 .
  • the buckle 10 can be used to mount a compressible pogo pin 170 (see Figure 9).
  • the fixing member 110 and the rotating connecting member 130 are engaged with each other.
  • the fixing member 110 is provided with a slot 111.
  • the slot 111 may be in the form of a through hole, or may be a blind hole or the like.
  • the number of the slots 111 is three or more. In this embodiment, The number of slots 111 is four, and the four slots 111 are annularly distributed.
  • the fixing member 110 is provided with a first pinhole 112.
  • the number of the first pinholes 112 can be determined as needed.
  • the number of the first pinholes 112 is three, and the compressible pogo pin 170 is installed in the buckle 10. Thereafter, the compressible spring pin 170 can protrude from the first pinhole 112.
  • the fixing member 110 may be in the form of a plate, a lid, a block or the like.
  • the fixing member 110 has a disk shape, and one side of the fixing member 110 has a concave spherical shape, and a concave spherical surface is provided with a groove shape.
  • the structure 113 has a through hole formed in the groove structure 113.
  • the slot 111 is substantially uniformly distributed around the groove structure 113, and the first pinhole 112 is located in the groove structure 113.
  • the rotary connecting member 130 is an annular structure, and a through hole for mounting the protective case 150 is disposed in the middle of the rotating connecting member 130.
  • the side of the rotating connecting member 130 adjacent to the fixing member 110 is provided with a pin 131, and the rotating connection is provided.
  • the side wall of the piece 130 is also provided with a strip block 132.
  • the pin 131 is matched with the slot 111, and the pin 131 can be engaged in the slot 111.
  • the pin 131 is configured as a hook.
  • the hook comprises a main body portion and a hook portion.
  • the main body portion extends into the slot 111 and is hooked.
  • the portion is hooked to the slot 111, and the side of the hook member remote from the axis of the rotary link 130 may be a beveled surface for facilitating insertion of the pin 131 into the slot 111.
  • the number of the pins 131 is the same as that of the slot 111.
  • each of the pins 131 is only engaged with one of the slots 111, that is, the pins 131 are in one-to-one correspondence with the slots 111, and the fixing member 110 and the rotary connector 130 are only assembled.
  • the body portion may have a certain curvature, and correspondingly, the hook portion and the slot 111 may have corresponding arcs.
  • each pin 131 only needs to correspond to the corresponding slot 111, and then the pin 131 is inserted into the slot 111, and the hook portion of the pin 131 is hooked into the slot 111, thereby implementing the two. Fixed.
  • the number of the pins 131 and the slots 111 are both plural, there may be a plurality of assembly stations by rotating the rotary joint 130 relative to the fixed member 110, and in some special cases, only one of them may be correct. Installation method, installation error may lead to large losses, and even if the assembler finds the error in time, it needs to separate the two to reassemble, which is time-consuming and laborious, which seriously affects the work efficiency.
  • the number of the pins 131 is four, and the four pins 131 are distributed in a ring shape, which are the first pin 1311, the second pin 1312, the third pin 1313 and the fourth pin 1314, respectively.
  • the number of slots 111 is also four, and the four slots 111 are annularly distributed, which are a first slot 1111, a second slot 1112, a third slot 1113, and a fourth slot 1114, respectively.
  • the first pin 1311 is correspondingly engaged with the first slot 1111
  • the second pin 1312 is correspondingly engaged with the second slot 1112
  • the third pin 1313 is correspondingly engaged with the third slot 1113.
  • the four pins 1314 are correspondingly engaged with the fourth slot 1114, and the positions and sizes of the pins 131 and 111 are identical to each other.
  • the distance between the first pin 1311 and the third pin 1313 is different from the distance between the second pin 1312 and the fourth pin 1314, and two incorrect assembly stations can be eliminated, that is, the rotary link 130 is compliant with respect to the fixed member 110.
  • the hour or counterclockwise rotation is about 90°, and the length of the first pin 1311 and the length of the third pin 1313 are not equal or the axial distance between the first pin 1311 and the rotary link 130 and the third pin 1313 and the rotary link 130 are The axial distance is not equal, this design can eliminate an erroneous assembly station, that is, the rotary joint 130 cannot be mounted by rotating about 180 degrees with respect to the fixed member 110.
  • the structure of the second pin 1312 and the fourth pin 1314 is not limited, and the two can be identical in structure and corresponding in position. However, because the first pin 1311 and the third pin 1313 are different, the two pins cannot be reversed.
  • the four pins 131 are It is also possible to have different shapes, sizes, and positions, or the shape between any two pins 131, At least one of the size and the distance from the axis of the rotary joint 130 is different. In short, it is necessary to ensure that the fixed member 110 and the rotary joint member 130 have only one correct assembly manner, and the rotary joint member 130 is rotated by 0-360° around its own axis (not Assembly is not possible with endpoints.
  • the pins 131 does not correspond to the other two pins 131, that is, at least one of the pins 131 can be inserted into only one of the slots 111.
  • the fixing member 110 and the rotary connecting member 130 have only one assembly station, and the other assembly stations cannot be engaged with each other, thereby effectively preventing assembly errors and effectively improving the buckle. 10 assembly accuracy and installation efficiency, effectively ensure the normal operation of the device after the installation of the buckle 10 is completed.
  • the strips 132 extend in the radial direction of the rotary joint 130.
  • the number of the strips 132 is preferably two.
  • the number of the strips 132 may be one, three and three.
  • each of the strips 132 is disposed along the circumferential direction of the rotary joint 130, and the two strips 132 are rotationally symmetric about the axis of the rotary joint 130.
  • a guiding groove 133 is formed between the side wall of the rotating block 130 and the fixing member 110, and the claw is slidably engaged in the guiding groove 133.
  • the guiding groove 133 is disposed along the circumferential direction of the fixing member 110, and the guiding groove 133
  • One end is a screwing end and the other end is a closed end, and other components can be screwed into the guiding groove 133 from the screwing end.
  • the screwing end can also be called a screwing end, and when the claw is screwed into the guiding groove 133, When entering from the screw-in end, the claw is disengaged from the screw-in end when it is rotated out of the guide groove 133.
  • One end of the strip block 132 near the screw-in end is the beginning end and the other end is the end.
  • a third slope section is disposed at a beginning end of the strip block 132, the third slope section is a curved surface, a distance between the third slope section and the fixing member 110 is gradually increased, and an end of the third slope section is away from the closed end.
  • the distance from the fixing member 110 is greater than the distance between the end of the third ramp portion near the closed end and the fixing member 110, and the third slope portion can make the claw easier to screw in.
  • a notch 134 is disposed between the two strips 132.
  • the gap between the beginning of one strip 132 and the end of the other strip 132 is provided with a notch 134, and the claw can extend into the notch 134 and the guide groove 133.
  • the jaws can then enter the guide slot 133.
  • the projections 135 may be provided on the inner surface of the guide groove 133.
  • the number of the projections 135 is two, one of which is located at the intermediate portion of the strip block 132 and the other is located at the side of the rotary joint 130.
  • Each of the protrusions 135 includes a first slope section and a second slope section, and a smooth transition between the first slope section and the second slope section, the first slope section being closer to the second slope section Into the end. The slope of the first slope section is smaller than the slope of the second slope section.
  • the protrusion 135 can increase the resistance of the claw in the guiding groove 133. Under the action of the external force, the protrusion 135 presses the claw, so that the friction between the clamping and the guiding groove 133 is large, and it is not easy to be under the external force. Abnormal rotation occurs to prevent the self-unlocking phenomenon of the buckle 10, and the self-locking purpose is achieved, and the structure is more stable and reliable.
  • the slope of the first slope section is smaller than the slope of the second slope section, and the resistance is small during the installation process, ensuring a relatively labor-saving installation, and the resistance is large when subjected to abnormal external force, and the self-locking effect is better.
  • the fixing member 110 and the rotating connecting member 130 enclose a receiving groove having an open end.
  • the protective shell 150 is slidably embedded in the receiving groove and closes the open end, and the receiving groove and the protective shell 150 are enclosed.
  • a receiving cavity for placing the compressible spring pin 170, the return spring 151 is located in the receiving cavity, and the two ends of the return spring 151 respectively abut the fixing member 110 and the protective case 150, and the number of the compressible spring pins 170 is three and arranged side by side.
  • the surface of the return spring 151 is coated with an insulating layer which prevents short circuit between the compressible spring pins 170.
  • the protective case 150 may be provided with a second pinhole 152.
  • the protective case 150 is supported by the return spring 151.
  • the spring pin When the return spring 151 is not subjected to an external force, the spring pin is hidden inside the protective case 150, which can prevent the spring pin from being scratched or short-circuited by other objects in the external environment, when the return spring 151 is subjected to an external force.
  • the spring pin In the compressed state, the spring pin exposes the protective case 150, thereby achieving docking with other components and conducting electricity. Based on the action of the return spring 151 and the protective case 150, the spring pin can be effectively protected for a longer life.
  • a spring pin protection method is also provided.
  • the spring pin can be first fixedly protected by a buckle, wherein the spring pin can be a compressible spring pin, the card
  • the buckle may include a fixing member, a rotating connector, and a protective case.
  • each of the plurality of pins provided on one side of the rotary joint is only engaged with one of the plurality of slots provided on the fixed member.
  • the pin is aligned with the slot and the pin is inserted into the slot to connect the fixing member and the rotating connector; one end of the spring pin is inserted into one of the plurality of first pin holes
  • the plurality of first pinholes are disposed on the fixing member and open in a linear direction, and one end of each of the first pinholes is closed; the protective case is embedded in the receiving groove and is made
  • the other end of the pogo pin passes through one of the plurality of second pinholes, the spring pin has three in total, wherein the receiving groove is surrounded by the fixing member and the rotating connecting member and has an open end.
  • the protective casing is slidably embedded in the receiving groove and closes the open end, and the receiving groove and the protective casing enclose a receiving cavity for placing the pogo pin, the fixing member and the protection
  • a return spring is disposed between the shells, and the plurality of second pinholes are disposed on the protective shell and open in a linear direction.
  • the two ends of the return spring 151 respectively abut the fixing member 110 and the protective case 150.
  • the spring pins 170 are arranged side by side in the interior of the return spring 151.
  • the surface of the return spring 151 can be coated with an insulating layer, and the insulating layer can prevent the spring pin. Short circuit between 170.
  • the rotary joint may be annular.
  • the pins are equal in number to the slots and are at least three, and each of the pins is only engaged with one of the slots.
  • the resistance is large when subjected to an abnormal external force, and the self-locking effect is better, and the spring pin can be effectively protected to make the lifespan longer.
  • the buckle, structure and shape design provided by the embodiments of the present application are more reasonable, and can effectively prevent the occurrence of assembly errors in industrial applications, effectively improve the assembly accuracy and installation efficiency of the buckle, and effectively ensure the installation of the buckle after the device is completed. normal work.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)

Abstract

一种卡扣（10）及弹簧针（170）保护方法，卡扣（10）包括固定件（110）和旋转连接件（130），旋转连接件（130）为环形，旋转连接件（130）的一侧设置有插脚（131），固定件（110）设置有与插脚（131）匹配的插槽（111），插脚（131）与插槽（111）的数量相等且均为至少三个，每个插脚（131）仅与其中一个插槽（111）对应卡接。插脚（131）和插槽（111）一一对应，固定件（110）与旋转连接件（130）只有一个装配工位，其他装配工位均不能使二者卡接，从而有效防止装配错误的发生，有效提升卡扣（10）的装配正确率及安装效率，有效确保卡扣（10）安装完成后，设备的正常工作，同时，将弹簧针（170）装在复位弹簧（151），保护壳（150）及卡扣（10）中，有效保护弹簧针（170），提高弹簧针（170）的使用寿命。

Description

一种卡扣及弹簧针保护方法
相关申请的交叉引用
本申请要求于2016年08月18日提交中国专利局的申请号为2016106890398、名称为“一种卡扣”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及机械连接件及保护件领域，具体而言，涉及一种卡扣及弹簧针保护方法。
背景技术
卡扣广泛应用于各行各业，通过卡扣可以使两个连接体牢固地连接在一起，旋转扣是最常见的一种卡扣，对于旋转扣而言，通过旋拧可以方便地实现两个连接体的安装与拆卸，操作十分方便。
在某些领域，卡扣由两部分组成，分别为固定部分和旋转部分，固定部分和旋转部分之间需要放置一些元件以便于达到某种效果，然后将固定部分和旋转部分固定连接为一体，现有的卡扣安装较为繁琐，并且，安装时容易出现装配错误的情况，严重影响卡扣的正常使用及安装效率。
发明内容
使用复位弹簧支撑保护壳，当复位弹簧未受到外力时，弹簧针藏于保护壳内部，可以防止弹簧针被外界环境中的其他物体刮擦或短路，但复位弹簧受到外力处于压缩状态时，弹簧针露出保护壳，从而实现与其他元件的对接。基于复位弹簧及保护壳的作用，可以有效保护弹簧针，使其寿命更长。
作为可选的方案，所述弹簧针位于所述复位弹簧的内部，所述复位弹簧的表面设置有绝缘层。
作为可选的方案，所述固定件为盘状，所述固定件的一侧为凹陷的球面状，所述凹陷的球面状中间设置有槽状结构，所述槽状结构内设置有通孔，所述插槽大致均匀地分布在所述槽状结构的四周；所述固定件上设置有第一针孔，所述第一针孔位于所述槽状结构内，所述第一针孔的一端为封闭的。
作为可选的方案，所述插脚的结构为钩状件，所述插脚包括主体部分和钩状部分，所述主体部分伸入插槽内且所述钩状部分钩住所述插槽，所述插脚的远离旋转连接件轴线的一侧为斜面。
作为可选的方案，所述插槽和所述插脚的数量均为三个，至少一个所述插脚只能插接于其中一个所述插槽内。
作为可选的方案，所述条形块沿所述旋转连接件的径向延伸，所述条形块的数量为两 个，每个所述条形块均沿所述旋转连接件的周向设置，两个所述条形块之间绕所述旋转连接件的轴线旋转对称。
作为可选的方案，所述第三坡面段为曲面，所述第三坡面段与所述固定件之间的距离逐渐增大，所述第三坡面段的远离封闭端的一端与所述固定件之间的距离大于所述第三坡面段的靠近所述封闭端的一端与所述固定件之间的距离。
作为可选的方案，所述插槽有四个，所述插槽为盲孔结构。
一种卡扣，包括固定件和旋转连接件，所述旋转连接件的一侧设置有插脚，所述固定件设置有用于连接所述插脚的插槽，所述插脚与所述插槽的数量相等且均为至少三个，每个所述插脚仅能够与其中一个所述插槽对应卡接。
作为可选的方案，所述插脚的数量为四个，四个所述插脚呈环形分布，依次为第一插脚、第二插脚、第三插脚和第四插脚，所述第一插脚与所述第三插脚之间的距离与所述第二插脚与所述第四插脚之间的距离不等，所述第一插脚的长度与所述第三插脚的长度不等或所述第一插脚与所述旋转连接件的轴线距离与所述第三插脚与所述旋转连接件的轴线距离不等。
作为可选的方案，所述旋转连接件的侧壁设置有条形块，所述条形块沿所述旋转连接件的周向设置，所述条形块与所述固定件之间形成导向槽，所述导向槽沿所述固定件的周向设置，所述导向槽的一端为旋入端，所述导向槽的另一端为封闭端。
一种弹簧针保护方法，所述方法包括步骤：
(1)、采用卡扣对弹簧针进行固定保护，所述弹簧针为可压缩弹簧针，所述卡扣包括固定件、旋转连接件及保护壳，其中，使得所述旋转连接件的一侧设置的多个插脚中的每个插脚仅与所述固定件上设置的多个插槽中的一个插槽对应卡接；
(2)、将所述插脚对准所述插槽并将插脚插入插槽中使固定件及旋转连接件相连接；
(3)、将所述弹簧针的一端插入多个第一针孔中的一个第一针孔，其中，所述多个第一针孔设置在所述固定件上且沿直线方向开设，每个所述第一针孔的一端为封闭的；
(4)、将所述保护壳嵌设于容纳槽并使得所述弹簧针的另一端穿过多个第二针孔中的一个，弹簧针共有三个，其中，所述容纳槽由所述固定件与所述旋转连接件围成且具有开口端，所述保护壳滑动嵌设于所述容纳槽内且将所述开口端封闭，所述容纳槽与所述保护壳围成用于放置所述弹簧针的容纳腔，所述固定件与所述保护壳之间设置有复位弹簧，所述复位弹簧的两端分别抵住固定件和保护壳，弹簧针并排设置于复位弹簧的内部，复位弹簧的表面可以涂覆用于防止弹簧针之间短路绝缘层；当复位弹簧未受到外力时，弹簧针藏于保护壳内部，以弹簧针被外界环境中的其他物体刮擦或短路；当复位弹簧受到外力处于压缩状态时，弹簧针露出保护壳，从而实现与其他元件的对接并导电；所述多个第二针孔 设置在所述保护壳上且沿直线方向开设。
作为可选的方案，所述旋转连接件为环形，所述插脚与所述插槽的数量相等且均为至少三个，每个所述插脚仅与其中一个所述插槽对应卡接。
与现有技术相比，本发明实施例的有益效果是：固定件和旋转连接件相互配合并固定其他元件，旋转连接件的插脚可以为钩状件，插槽可以为通孔，钩状件可以伸入通孔内并钩住固定件，从而实现固定件与旋转连接件之间的固定，二者固定后固定件和旋转连接件成为一体，可以将其旋转卡设于其他连接体。插脚和插槽一一对应，固定件与旋转连接件只有一个装配工位，其他装配工位均不能使二者卡接，从而有效防止装配错误的发生，有效提升卡扣的装配正确率及安装效率，有效确保卡扣安装完成后，设备的正常工作。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，应当理解，以下附图仅示出了本发明的某些实施例，因此不应被看作是对范围的限定，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。
图1为本发明实施例提供的卡扣结构示意图；
图2为图1的固定件与旋转连接件的连接关系示意图；
图3为图2的爆炸示意图；
图4为图3的固定件结构示意图；
图5为图3的旋转连接件结构示意图；
图6为图3的另一视角的结构示意图；
图7为图6的旋转连接件结构示意图；
图8为安装保护壳后的旋转连接件结构示意图；
图9为图8的另一视角的结构示意图。
卡扣10；
固定件110；插槽111；第一插槽1111；第二插槽1112；第三插槽1113；第四插槽1114；第一针孔112；槽状结构113；
旋转连接件130；插脚131；第一插脚1311；第二插脚1312；第三插脚1313；第四插脚1314；条形块132；导向槽133；缺口134；凸起135；
保护壳150；复位弹簧151；第二针孔152；
可压缩弹簧针170。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，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作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
因此，以下对在附图中提供的本发明的实施例的详细描述并非旨在限制要求保护的本发明的范围，而是仅仅表示本发明的选定实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步定义和解释。
在本发明的描述中，需要说明的是，术语“第一”、“第二”等仅用于区分描述，而不能理解为指示或暗示相对重要性。
在本发明的描述中，还需要说明的是，除非另有明确的规定和限定，术语“设置”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
实施例：
请参照图1所示，本发明的实施例提供了一种卡扣10，该卡扣10包括固定件110、旋转连接件130和保护壳150。该卡扣10可以用来安装可压缩弹簧针170(请参见图9所示)。
请参见图2、图3所示，固定件110和旋转连接件130之间相互卡接配合。
请参见图4所示，固定件110设置有插槽111，插槽111可以为通孔形式，也可以为盲孔等其他形式，插槽111的数量为三个以上，在本实施例中，插槽111的数量为四个，四个插槽111呈环形分布。固定件110上设置有第一针孔112，第一针孔112的数量可以根据需要进行确定，例如，第一针孔112的数量为三个，将可压缩弹簧针170安装在卡扣10内后，可压缩弹簧针170可以从第一针孔112内伸出，当然，第一针孔112的一端是封闭的也是可以的。
固定件110可以为板状、盖状、块状等结构，在本实施例中，固定件110为盘状，固定件110的一侧为凹陷的球面状，凹陷的球面状中间设置有槽状结构113，槽状结构113内设置有通孔，插槽111大致均匀地分布在槽状结构113的四周，第一针孔112位于槽状结构113内。
请参见图5所示，旋转连接件130为环形结构，旋转连接件130中间设置有用于安装保护壳150的通孔，旋转连接件130的靠近固定件110的一侧设置有插脚131，旋转连接件130的侧壁还设置有条形块132。
插脚131与插槽111相匹配，插脚131可以卡接于插槽111内，插脚131的结构为钩状件，钩状件包括主体部分和钩状部分，主体部分伸入插槽111内且钩状部分钩住插槽111，钩状件的远离旋转连接件130轴线的一侧可以为斜面，方便插脚131插入插槽111内。插脚131的数量与插槽111相同，每个插脚131仅与其中一个插槽111对应卡接，即插脚131与插槽111一一对应，固定件110与旋转连接件130仅有一种装配方式。在本实施例中，主体部分可以有一定的弧度，对应地，钩状部分和插槽111也可以具有对应的弧度。
在组装过程中，只需要将各个插脚131与对应的插槽111对应，然后进行挤压即可使插脚131插入插槽111内，插脚131的钩状部分钩住插槽111，从而实现二者的固定。
由于插脚131和插槽111的数量均为多个，因此，通过使旋转连接件130相对于固定件110转动，可能存在多个装配工位，而在一些较为特殊的场合，只能有一种正确安装方式，安装错误可能会导致较大的损失，并且，即使装配人员及时发现错误，也需要先将二者分离才能重新装配，费时费力，严重影响工作效率。
实现固定件110与旋转连接件130仅有一种装配方式的方案多种多样，例如可以采用但不限于下列方案：
请参见图6、图7所示，插脚131的数量为四个，四个插脚131呈环形分布，依次为第一插脚1311、第二插脚1312、第三插脚1313和第四插脚1314，请参见图4所示，插槽111的数量也为四个，四个插槽111呈环形分布，依次为第一插槽1111、第二插槽1112、第三插槽1113和第四插槽1114，其中，正确安装状态时，第一插脚1311与第一插槽1111对应卡接，第二插脚1312与第二插槽1112对应卡接，第三插脚1313与第三插槽1113对应卡接，第四插脚1314与第四插槽1114对应卡接，相互对应插脚131与插槽111的位置、大小均一致。
第一插脚1311与第三插脚1313之间的距离与第二插脚1312与第四插脚1314之间的距离不等，可以消除两个错误装配工位，即旋转连接件130相对于固定件110顺时针或逆时针旋转90°左右无法安装，第一插脚1311的长度与第三插脚1313的长度不等或第一插脚1311与旋转连接件130的轴线距离与第三插脚1313与旋转连接件130的轴线距离不等，这种设计可以消除一个错误装配工位，即旋转连接件130相对于固定件110旋转180°左右无法安装。第二插脚1312和第四插脚1314的结构不做限定，二者可以结构相同、位置对应，但因为第一插脚1311和第三插脚1313的不同导致二者无法对调，当然，四个插脚131的形状、大小、位置各不相同也是完全可以的，或者任意两个插脚131之间的形状、 大小、与旋转连接件130轴线的距离中至少有一项不相同，总之，需要确保固定件110和旋转连接件130仅有一种正确装配方式，旋转连接件130绕自身轴线旋转0-360°(不包含端点)均无法进行装配。
若插槽111和插脚131的数量为三个，则至少有一个插脚131与另外两个插脚131不对应，即至少有一个插脚131只能插接于其中一个插槽111内。
通过使插脚131和插槽111一一对应，固定件110与旋转连接件130只有一个装配工位，其他装配工位均不能使二者卡接，从而有效防止装配错误的发生，有效提升卡扣10的装配正确率及安装效率，有效确保卡扣10安装完成后，设备的正常工作。
请参见图7所示，条形块132沿旋转连接件130的径向延伸，条形块132的数量优选为两个，当然，条形块132的数量也可以为一个、三个及三个以上，每个条形块132均沿旋转连接件130的周向设置，两个条形块132之间绕旋转连接件130的轴线旋转对称。
条形块132、旋转连接件130的侧壁与固定件110之间形成导向槽133，卡爪可以滑动卡设于导向槽133内，导向槽133沿固定件110的周向设置，导向槽133的一端为旋入端、另一端为封闭端，其他部件可以从旋入端旋入导向槽133内，当然，旋入端也可以称为旋出端，卡爪旋入导向槽133内时，从旋入端进入，卡爪旋出导向槽133时，从旋入端脱离。条形块132的靠近旋入端的一端为始端、另一端为末端。
在条形块132的始端设置有第三坡面段，第三坡面段为曲面，第三坡面段与固定件110之间的距离逐渐增大，第三坡面段的远离封闭端的一端与固定件110之间的距离大于第三坡面段的靠近封闭端的一端与固定件110之间的距离，第三坡面段可以使卡爪更容易旋入。
两个条形块132之间设置有缺口134，即一个条形块132的始端与另外一个条形块132的末端之间设置有缺口134，卡爪可以伸入缺口134处并与导向槽133对应，然后卡爪可以进入导向槽133内。
卡爪卡入导向槽133内后，可能会在外力作用下旋转，从而导致卡扣10的非正常脱离。因此，可以在导向槽133的内表面设置凸起135，在本实施例中，凸起135的数量为两个，其中一个位于条形块132的中间部分，另外一个位于旋转连接件130的侧壁上。每个凸起135均包括第一坡面段和第二坡面段，第一坡面段与第二坡面段之间平滑过渡，第一坡面段相对于第二坡面段更靠近旋入端。第一坡面段的坡度小于第二坡面段的坡度。
凸起135可以增大卡爪在导向槽133内的阻力，在外力的作用下，凸起135挤压卡爪，从而使得卡住与导向槽133的摩擦力较大，不容易在外力作用下发生非正常转动，防止卡扣10的自行解锁现象，达到自锁的目的，结构更加稳定可靠。另外，第一坡面段的坡度小于第二坡面段的坡度，在安装过程中阻力较小，确保安装较为省力，在受到非正常外力时阻力较大，自锁效果更好。
请参见图8、图9所示，固定件110与旋转连接件130围成具有开口端的容纳槽，保护壳150滑动嵌设于容纳槽内且将开口端封闭，容纳槽与保护壳150围成用于放置可压缩弹簧针170的容纳腔，复位弹簧151位于容纳腔内，复位弹簧151的两端分别抵住固定件110和保护壳150，可压缩弹簧针170的数量为三个且并排设置于复位弹簧151的内部，复位弹簧151的表面涂覆有绝缘层，绝缘层可以防止可压缩弹簧针170之间短路。保护壳150可以设置有第二针孔152。
使用复位弹簧151支撑保护壳150，当复位弹簧151未受到外力时，弹簧针藏于保护壳150内部，可以防止弹簧针被外界环境中的其他物体刮擦或短路，当复位弹簧151受到外力处于压缩状态时，弹簧针露出保护壳150，从而实现与其他元件的对接并导电。基于复位弹簧151及保护壳150的作用，可以有效保护弹簧针，使其寿命更长。
根据本发明的另一方面，还提供了一种弹簧针保护方法，在实际操作中，可以首先采用卡扣对弹簧针进行固定保护，其中所述弹簧针可以为可压缩弹簧针，所述卡扣可以包括固定件、旋转连接件及保护壳。在此操作中，使得所述旋转连接件的一侧设置的多个插脚中的每个插脚仅与所述固定件上设置的多个插槽中的一个插槽对应卡接。之后，将所述插脚对准所述插槽并将插脚插入插槽中使固定件及旋转连接件相连接；将所述弹簧针的一端插入多个第一针孔中的一个第一针孔，其中，所述多个第一针孔设置在所述固定件上且沿直线方向开设，每个所述第一针孔的一端为封闭的；将所述保护壳嵌设于容纳槽并使得所述弹簧针的另一端穿过多个第二针孔中的一个，弹簧针共有三个，其中，所述容纳槽由所述固定件与所述旋转连接件围成且具有开口端，所述保护壳滑动嵌设于所述容纳槽内且将所述开口端封闭，所述容纳槽与所述保护壳围成用于放置所述弹簧针的容纳腔，所述固定件与所述保护壳之间设置有复位弹簧，所述多个第二针孔设置在所述保护壳上且沿直线方向开设。
其中，所述复位弹簧151的两端分别抵住固定件110和保护壳150，弹簧针170并排设置于复位弹簧151的内部，复位弹簧151的表面可以涂覆绝缘层，绝缘层可以防止弹簧针170之间短路。当复位弹簧151未受到外力时，弹簧针藏于保护壳150内部，可以防止弹簧针被外界环境中的其他物体刮擦或短路，当复位弹簧151受到外力处于压缩状态时，弹簧针露出保护壳150，从而实现与其他元件的对接并导电。基于复位弹簧151及保护壳150的作用，可以有效保护弹簧针，使其寿命更长。
优选地，所述旋转连接件可以为环形的。所述插脚与所述插槽的数量相等且均为至少三个，每个所述插脚仅与其中一个所述插槽对应卡接。
通过这样实施弹簧针保护的方法，使得在受到非正常外力时阻力较大，自锁效果更好，可以有效保护弹簧针，使其寿命更长。
需要说明的是，在不冲突的情况下，本发明中的实施例中的特征可以相互结合。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
工业实用性
本申请实施例提供的卡扣，结构及形状设计更加合理，在工业应用中能够有效防止装配错误的发生，有效提升卡扣的装配正确率及安装效率，有效确保卡扣安装完成后，设备的正常工作。

Claims (21)

  1. 一种卡扣，其特征在于，包括固定件和旋转连接件，所述旋转连接件为环形，所述旋转连接件的一侧设置有插脚，所述固定件设置有与所述插脚匹配的插槽，所述插脚与所述插槽的数量相等且均为至少三个，每个所述插脚仅与其中一个所述插槽对应卡接。
  2. 根据权利要求1所述的卡扣，其特征在于，所述插脚的数量为四个，四个所述插脚呈环形分布，依次为第一插脚、第二插脚、第三插脚和第四插脚，所述第一插脚与所述第三插脚之间的距离与所述第二插脚与所述第四插脚之间的距离不等，所述第一插脚的长度与所述第三插脚的长度不等或所述第一插脚与所述旋转连接件的轴线距离与所述第三插脚与所述旋转连接件的轴线距离不等。
  3. 根据权利要求1所述的卡扣，其特征在于，所述旋转连接件的侧壁设置有条形块，所述条形块沿所述旋转连接件的周向设置，所述条形块与所述固定件之间形成导向槽，所述导向槽沿所述固定件的周向设置，所述导向槽的一端为旋入端，所述导向槽的另一端为封闭端。
  4. 根据权利要求3所述的卡扣，其特征在于，所述旋转连接件设置有至少两个所述条形块，相邻的两个所述条形块之间设置有缺口，所述条形块之间绕所述旋转连接件的轴线旋转对称。
  5. 根据权利要求3所述的卡扣，其特征在于，所述导向槽的内表面设置有凸起。
  6. 根据权利要求5所述的卡扣，其特征在于，所述导向槽的相邻的两个侧壁均设置有所述凸起，所述凸起均设置于所述旋转连接件上。
  7. 根据权利要求5所述的卡扣，其特征在于，所述凸起包括第一坡面段和第二坡面段，所述第一坡面段与所述第二坡面段平滑过渡，所述第一坡面段相对于所述第二坡面段靠近所述旋入端，所述第一坡面段的坡度小于所述第二坡面段的坡度。
  8. 根据权利要求3-7任意一项所述的卡扣，其特征在于，所述条形块的远离所述封闭端的一端设置有第三坡面段，所述第三坡面段与所述导向槽的内表面平滑过渡。
  9. 根据权利要求1-7任意一项所述的卡扣，其特征在于，所述卡扣还包括保护壳，所述固定件与所述旋转连接件围成具有开口端的容纳槽，所述保护壳滑动嵌设于所述容纳槽内且将所述开口端封闭，所述容纳槽与所述保护壳围成用于放置可 压缩弹簧针的容纳腔，所述固定件与所述保护壳之间设置有复位弹簧。
  10. 根据权利要求9所述的卡扣，其特征在于，所述弹簧针位于所述复位弹簧的内部，所述复位弹簧的表面设置有绝缘层。
  11. 根据权利要求1所述的卡扣，其特征在于，所述固定件为盘状，所述固定件的一侧为凹陷的球面状，所述凹陷的球面状中间设置有槽状结构，所述槽状结构内设置有通孔，所述插槽大致均匀地分布在所述槽状结构的四周；所述固定件上设置有第一针孔，所述第一针孔位于所述槽状结构内，所述第一针孔的一端为封闭的。
  12. 根据权利要求1所述的卡扣，其特征在于，所述插脚的结构为钩状件，所述插脚包括主体部分和钩状部分，所述主体部分伸入插槽内且所述钩状部分钩住所述插槽，所述插脚的远离旋转连接件轴线的一侧为斜面。
  13. 根据权利要求1所述的卡扣，其特征在于，所述插槽和所述插脚的数量均为三个，至少一个所述插脚只能插接于其中一个所述插槽内。
  14. 根据权利要求3-8任一项所述的卡扣，其特征在于，所述条形块沿所述旋转连接件的径向延伸，所述条形块的数量为两个，每个所述条形块均沿所述旋转连接件的周向设置，两个所述条形块之间绕所述旋转连接件的轴线旋转对称。
  15. 根据权利要求8所述的卡扣，其特征在于，所述第三坡面段为曲面，所述第三坡面段与所述固定件之间的距离逐渐增大，所述第三坡面段的远离封闭端的一端与所述固定件之间的距离大于所述第三坡面段的靠近所述封闭端的一端与所述固定件之间的距离。
  16. 根据权利要求1或11或12所述的卡扣，其特征在于，所述插槽有四个，所述插槽为盲孔结构。
  17. 一种卡扣，其特征在于，包括固定件和旋转连接件，所述旋转连接件的一侧设置有插脚，所述固定件设置有用于连接所述插脚的插槽，所述插脚与所述插槽的数量相等且均为至少三个，每个所述插脚仅能够与其中一个所述插槽对应卡接。
  18. 根据权利要求17所述的卡扣，其特征在于，所述插脚的数量为四个，四个所述插脚呈环形分布，依次为第一插脚、第二插脚、第三插脚和第四插脚，所述第一插脚与所述第三插脚之间的距离与所述第二插脚与所述第四插脚之间的距离不等，所述第一插脚的长度与所述第三插脚的长度不等或所述第一插脚与所述旋转连接件的轴线距离与所述第三插脚与所述旋转连接件的轴线距离不等。
  19. 根据权利要求17所述的卡扣，其特征在于，所述旋转连接件的侧壁设置有条形块，所述条形块沿所述旋转连接件的周向设置，所述条形块与所述固定件之间形成导向槽，所述导向槽沿所述固定件的周向设置，所述导向槽的一端为旋入端， 所述导向槽的另一端为封闭端。
  20. 一种弹簧针保护方法，其特征在于，所述方法包括步骤：
    (1)、采用卡扣对弹簧针进行固定保护，所述弹簧针为可压缩弹簧针，所述卡扣包括固定件、旋转连接件及保护壳，其中，使得所述旋转连接件的一侧设置的多个插脚中的每个插脚仅与所述固定件上设置的多个插槽中的一个插槽对应卡接；
    (2)、将所述插脚对准所述插槽并将插脚插入插槽中使固定件及旋转连接件相连接；
    (3)、将所述弹簧针的一端插入多个第一针孔中的一个第一针孔，其中，所述多个第一针孔设置在所述固定件上且沿直线方向开设，每个所述第一针孔的一端为封闭的；
    (4)、将所述保护壳嵌设于容纳槽并使得所述弹簧针的另一端穿过多个第二针孔中的一个，弹簧针共有三个，其中，所述容纳槽由所述固定件与所述旋转连接件围成且具有开口端，所述保护壳滑动嵌设于所述容纳槽内且将所述开口端封闭，所述容纳槽与所述保护壳围成用于放置所述弹簧针的容纳腔，所述固定件与所述保护壳之间设置有复位弹簧，所述复位弹簧的两端分别抵住固定件和保护壳，弹簧针并排设置于复位弹簧的内部，复位弹簧的表面可以涂覆用于防止弹簧针之间短路绝缘层；当复位弹簧未受到外力时，弹簧针藏于保护壳内部，以弹簧针被外界环境中的其他物体刮擦或短路；当复位弹簧受到外力处于压缩状态时，弹簧针露出保护壳，从而实现与其他元件的对接并导电；所述多个第二针孔设置在所述保护壳上且沿直线方向开设。
  21. 根据权利要求20所述的弹簧针保护方法，其特征在于，所述旋转连接件为环形，所述插脚与所述插槽的数量相等且均为至少三个，每个所述插脚仅与其中一个所述插槽对应卡接。
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